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zdb: fix printf() length for uint64_t devid
[zfs.git] / cmd / zpool / zpool_main.c
blob5507f9d3fd67e9bf4933e064c4cb319887414c06
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or https://opensource.org/licenses/CDDL-1.0.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
25 * Copyright (c) 2011, 2020 by Delphix. All rights reserved.
26 * Copyright (c) 2012 by Frederik Wessels. All rights reserved.
27 * Copyright (c) 2012 by Cyril Plisko. All rights reserved.
28 * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved.
29 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>.
30 * Copyright (c) 2017 Datto Inc.
31 * Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
32 * Copyright (c) 2017, Intel Corporation.
33 * Copyright (c) 2019, loli10K <ezomori.nozomu@gmail.com>
34 * Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
35 * Copyright (c) 2021, Klara Inc.
36 * Copyright [2021] Hewlett Packard Enterprise Development LP
37 */
38
39 #include <assert.h>
40 #include <ctype.h>
41 #include <dirent.h>
42 #include <errno.h>
43 #include <fcntl.h>
44 #include <getopt.h>
45 #include <libgen.h>
46 #include <libintl.h>
47 #include <libuutil.h>
48 #include <locale.h>
49 #include <pthread.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <string.h>
53 #include <time.h>
54 #include <unistd.h>
55 #include <pwd.h>
56 #include <zone.h>
57 #include <sys/wait.h>
58 #include <zfs_prop.h>
59 #include <sys/fs/zfs.h>
60 #include <sys/stat.h>
61 #include <sys/systeminfo.h>
62 #include <sys/fm/fs/zfs.h>
63 #include <sys/fm/util.h>
64 #include <sys/fm/protocol.h>
65 #include <sys/zfs_ioctl.h>
66 #include <sys/mount.h>
67 #include <sys/sysmacros.h>
68
69 #include <math.h>
70
71 #include <libzfs.h>
72 #include <libzutil.h>
73
74 #include "zpool_util.h"
75 #include "zfs_comutil.h"
76 #include "zfeature_common.h"
77
78 #include "statcommon.h"
79
80 libzfs_handle_t *g_zfs;
81
82 static int zpool_do_create(int, char **);
83 static int zpool_do_destroy(int, char **);
84
85 static int zpool_do_add(int, char **);
86 static int zpool_do_remove(int, char **);
87 static int zpool_do_labelclear(int, char **);
88
89 static int zpool_do_checkpoint(int, char **);
90
91 static int zpool_do_list(int, char **);
92 static int zpool_do_iostat(int, char **);
93 static int zpool_do_status(int, char **);
94
95 static int zpool_do_online(int, char **);
96 static int zpool_do_offline(int, char **);
97 static int zpool_do_clear(int, char **);
98 static int zpool_do_reopen(int, char **);
99
100 static int zpool_do_reguid(int, char **);
101
102 static int zpool_do_attach(int, char **);
103 static int zpool_do_detach(int, char **);
104 static int zpool_do_replace(int, char **);
105 static int zpool_do_split(int, char **);
106
107 static int zpool_do_initialize(int, char **);
108 static int zpool_do_scrub(int, char **);
109 static int zpool_do_resilver(int, char **);
110 static int zpool_do_trim(int, char **);
111
112 static int zpool_do_import(int, char **);
113 static int zpool_do_export(int, char **);
114
115 static int zpool_do_upgrade(int, char **);
116
117 static int zpool_do_history(int, char **);
118 static int zpool_do_events(int, char **);
119
120 static int zpool_do_get(int, char **);
121 static int zpool_do_set(int, char **);
122
123 static int zpool_do_sync(int, char **);
124
125 static int zpool_do_version(int, char **);
126
127 static int zpool_do_wait(int, char **);
128
129 static int zpool_do_help(int argc, char **argv);
130
131 static zpool_compat_status_t zpool_do_load_compat(
132 const char *, boolean_t *);
133
134 /*
135 * These libumem hooks provide a reasonable set of defaults for the allocator's
136 * debugging facilities.
137 */
138
139 #ifdef DEBUG
140 const char *
141 _umem_debug_init(void)
142 {
143 return ("default,verbose"); /* $UMEM_DEBUG setting */
144 }
145
146 const char *
147 _umem_logging_init(void)
148 {
149 return ("fail,contents"); /* $UMEM_LOGGING setting */
150 }
151 #endif
152
153 typedef enum {
154 HELP_ADD,
155 HELP_ATTACH,
156 HELP_CLEAR,
157 HELP_CREATE,
158 HELP_CHECKPOINT,
159 HELP_DESTROY,
160 HELP_DETACH,
161 HELP_EXPORT,
162 HELP_HISTORY,
163 HELP_IMPORT,
164 HELP_IOSTAT,
165 HELP_LABELCLEAR,
166 HELP_LIST,
167 HELP_OFFLINE,
168 HELP_ONLINE,
169 HELP_REPLACE,
170 HELP_REMOVE,
171 HELP_INITIALIZE,
172 HELP_SCRUB,
173 HELP_RESILVER,
174 HELP_TRIM,
175 HELP_STATUS,
176 HELP_UPGRADE,
177 HELP_EVENTS,
178 HELP_GET,
179 HELP_SET,
180 HELP_SPLIT,
181 HELP_SYNC,
182 HELP_REGUID,
183 HELP_REOPEN,
184 HELP_VERSION,
185 HELP_WAIT
186 } zpool_help_t;
187
188
189 /*
190 * Flags for stats to display with "zpool iostats"
191 */
192 enum iostat_type {
193 IOS_DEFAULT = 0,
194 IOS_LATENCY = 1,
195 IOS_QUEUES = 2,
196 IOS_L_HISTO = 3,
197 IOS_RQ_HISTO = 4,
198 IOS_COUNT, /* always last element */
199 };
200
201 /* iostat_type entries as bitmasks */
202 #define IOS_DEFAULT_M (1ULL << IOS_DEFAULT)
203 #define IOS_LATENCY_M (1ULL << IOS_LATENCY)
204 #define IOS_QUEUES_M (1ULL << IOS_QUEUES)
205 #define IOS_L_HISTO_M (1ULL << IOS_L_HISTO)
206 #define IOS_RQ_HISTO_M (1ULL << IOS_RQ_HISTO)
207
208 /* Mask of all the histo bits */
209 #define IOS_ANYHISTO_M (IOS_L_HISTO_M | IOS_RQ_HISTO_M)
210
211 /*
212 * Lookup table for iostat flags to nvlist names. Basically a list
213 * of all the nvlists a flag requires. Also specifies the order in
214 * which data gets printed in zpool iostat.
215 */
216 static const char *vsx_type_to_nvlist[IOS_COUNT][15] = {
217 [IOS_L_HISTO] = {
218 ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
219 ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
220 ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
221 ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
222 ZPOOL_CONFIG_VDEV_SYNC_R_LAT_HISTO,
223 ZPOOL_CONFIG_VDEV_SYNC_W_LAT_HISTO,
224 ZPOOL_CONFIG_VDEV_ASYNC_R_LAT_HISTO,
225 ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO,
226 ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO,
227 ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
228 ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO,
229 NULL},
230 [IOS_LATENCY] = {
231 ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
232 ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
233 ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
234 ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
235 ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
236 ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO,
237 NULL},
238 [IOS_QUEUES] = {
239 ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE,
240 ZPOOL_CONFIG_VDEV_SYNC_W_ACTIVE_QUEUE,
241 ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE,
242 ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE,
243 ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE,
244 ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE,
245 ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE,
246 NULL},
247 [IOS_RQ_HISTO] = {
248 ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO,
249 ZPOOL_CONFIG_VDEV_SYNC_AGG_R_HISTO,
250 ZPOOL_CONFIG_VDEV_SYNC_IND_W_HISTO,
251 ZPOOL_CONFIG_VDEV_SYNC_AGG_W_HISTO,
252 ZPOOL_CONFIG_VDEV_ASYNC_IND_R_HISTO,
253 ZPOOL_CONFIG_VDEV_ASYNC_AGG_R_HISTO,
254 ZPOOL_CONFIG_VDEV_ASYNC_IND_W_HISTO,
255 ZPOOL_CONFIG_VDEV_ASYNC_AGG_W_HISTO,
256 ZPOOL_CONFIG_VDEV_IND_SCRUB_HISTO,
257 ZPOOL_CONFIG_VDEV_AGG_SCRUB_HISTO,
258 ZPOOL_CONFIG_VDEV_IND_TRIM_HISTO,
259 ZPOOL_CONFIG_VDEV_AGG_TRIM_HISTO,
260 ZPOOL_CONFIG_VDEV_IND_REBUILD_HISTO,
261 ZPOOL_CONFIG_VDEV_AGG_REBUILD_HISTO,
262 NULL},
263 };
264
265
266 /*
267 * Given a cb->cb_flags with a histogram bit set, return the iostat_type.
268 * Right now, only one histo bit is ever set at one time, so we can
269 * just do a highbit64(a)
270 */
271 #define IOS_HISTO_IDX(a) (highbit64(a & IOS_ANYHISTO_M) - 1)
272
273 typedef struct zpool_command {
274 const char *name;
275 int (*func)(int, char **);
276 zpool_help_t usage;
277 } zpool_command_t;
278
279 /*
280 * Master command table. Each ZFS command has a name, associated function, and
281 * usage message. The usage messages need to be internationalized, so we have
282 * to have a function to return the usage message based on a command index.
283 *
284 * These commands are organized according to how they are displayed in the usage
285 * message. An empty command (one with a NULL name) indicates an empty line in
286 * the generic usage message.
287 */
288 static zpool_command_t command_table[] = {
289 { "version", zpool_do_version, HELP_VERSION },
290 { NULL },
291 { "create", zpool_do_create, HELP_CREATE },
292 { "destroy", zpool_do_destroy, HELP_DESTROY },
293 { NULL },
294 { "add", zpool_do_add, HELP_ADD },
295 { "remove", zpool_do_remove, HELP_REMOVE },
296 { NULL },
297 { "labelclear", zpool_do_labelclear, HELP_LABELCLEAR },
298 { NULL },
299 { "checkpoint", zpool_do_checkpoint, HELP_CHECKPOINT },
300 { NULL },
301 { "list", zpool_do_list, HELP_LIST },
302 { "iostat", zpool_do_iostat, HELP_IOSTAT },
303 { "status", zpool_do_status, HELP_STATUS },
304 { NULL },
305 { "online", zpool_do_online, HELP_ONLINE },
306 { "offline", zpool_do_offline, HELP_OFFLINE },
307 { "clear", zpool_do_clear, HELP_CLEAR },
308 { "reopen", zpool_do_reopen, HELP_REOPEN },
309 { NULL },
310 { "attach", zpool_do_attach, HELP_ATTACH },
311 { "detach", zpool_do_detach, HELP_DETACH },
312 { "replace", zpool_do_replace, HELP_REPLACE },
313 { "split", zpool_do_split, HELP_SPLIT },
314 { NULL },
315 { "initialize", zpool_do_initialize, HELP_INITIALIZE },
316 { "resilver", zpool_do_resilver, HELP_RESILVER },
317 { "scrub", zpool_do_scrub, HELP_SCRUB },
318 { "trim", zpool_do_trim, HELP_TRIM },
319 { NULL },
320 { "import", zpool_do_import, HELP_IMPORT },
321 { "export", zpool_do_export, HELP_EXPORT },
322 { "upgrade", zpool_do_upgrade, HELP_UPGRADE },
323 { "reguid", zpool_do_reguid, HELP_REGUID },
324 { NULL },
325 { "history", zpool_do_history, HELP_HISTORY },
326 { "events", zpool_do_events, HELP_EVENTS },
327 { NULL },
328 { "get", zpool_do_get, HELP_GET },
329 { "set", zpool_do_set, HELP_SET },
330 { "sync", zpool_do_sync, HELP_SYNC },
331 { NULL },
332 { "wait", zpool_do_wait, HELP_WAIT },
333 };
334
335 #define NCOMMAND (ARRAY_SIZE(command_table))
336
337 #define VDEV_ALLOC_CLASS_LOGS "logs"
338
339 static zpool_command_t *current_command;
340 static zfs_type_t current_prop_type = (ZFS_TYPE_POOL | ZFS_TYPE_VDEV);
341 static char history_str[HIS_MAX_RECORD_LEN];
342 static boolean_t log_history = B_TRUE;
343 static uint_t timestamp_fmt = NODATE;
344
345 static const char *
346 get_usage(zpool_help_t idx)
347 {
348 switch (idx) {
349 case HELP_ADD:
350 return (gettext("\tadd [-fgLnP] [-o property=value] "
351 "<pool> <vdev> ...\n"));
352 case HELP_ATTACH:
353 return (gettext("\tattach [-fsw] [-o property=value] "
354 "<pool> <device> <new-device>\n"));
355 case HELP_CLEAR:
356 return (gettext("\tclear [-nF] <pool> [device]\n"));
357 case HELP_CREATE:
358 return (gettext("\tcreate [-fnd] [-o property=value] ... \n"
359 "\t [-O file-system-property=value] ... \n"
360 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n"));
361 case HELP_CHECKPOINT:
362 return (gettext("\tcheckpoint [-d [-w]] <pool> ...\n"));
363 case HELP_DESTROY:
364 return (gettext("\tdestroy [-f] <pool>\n"));
365 case HELP_DETACH:
366 return (gettext("\tdetach <pool> <device>\n"));
367 case HELP_EXPORT:
368 return (gettext("\texport [-af] <pool> ...\n"));
369 case HELP_HISTORY:
370 return (gettext("\thistory [-il] [<pool>] ...\n"));
371 case HELP_IMPORT:
372 return (gettext("\timport [-d dir] [-D]\n"
373 "\timport [-o mntopts] [-o property=value] ... \n"
374 "\t [-d dir | -c cachefile] [-D] [-l] [-f] [-m] [-N] "
375 "[-R root] [-F [-n]] -a\n"
376 "\timport [-o mntopts] [-o property=value] ... \n"
377 "\t [-d dir | -c cachefile] [-D] [-l] [-f] [-m] [-N] "
378 "[-R root] [-F [-n]]\n"
379 "\t [--rewind-to-checkpoint] <pool | id> [newpool]\n"));
380 case HELP_IOSTAT:
381 return (gettext("\tiostat [[[-c [script1,script2,...]"
382 "[-lq]]|[-rw]] [-T d | u] [-ghHLpPvy]\n"
383 "\t [[pool ...]|[pool vdev ...]|[vdev ...]]"
384 " [[-n] interval [count]]\n"));
385 case HELP_LABELCLEAR:
386 return (gettext("\tlabelclear [-f] <vdev>\n"));
387 case HELP_LIST:
388 return (gettext("\tlist [-gHLpPv] [-o property[,...]] "
389 "[-T d|u] [pool] ... \n"
390 "\t [interval [count]]\n"));
391 case HELP_OFFLINE:
392 return (gettext("\toffline [-f] [-t] <pool> <device> ...\n"));
393 case HELP_ONLINE:
394 return (gettext("\tonline [-e] <pool> <device> ...\n"));
395 case HELP_REPLACE:
396 return (gettext("\treplace [-fsw] [-o property=value] "
397 "<pool> <device> [new-device]\n"));
398 case HELP_REMOVE:
399 return (gettext("\tremove [-npsw] <pool> <device> ...\n"));
400 case HELP_REOPEN:
401 return (gettext("\treopen [-n] <pool>\n"));
402 case HELP_INITIALIZE:
403 return (gettext("\tinitialize [-c | -s | -u] [-w] <pool> "
404 "[<device> ...]\n"));
405 case HELP_SCRUB:
406 return (gettext("\tscrub [-s | -p] [-w] [-e] <pool> ...\n"));
407 case HELP_RESILVER:
408 return (gettext("\tresilver <pool> ...\n"));
409 case HELP_TRIM:
410 return (gettext("\ttrim [-dw] [-r <rate>] [-c | -s] <pool> "
411 "[<device> ...]\n"));
412 case HELP_STATUS:
413 return (gettext("\tstatus [-c [script1,script2,...]] "
414 "[-igLpPstvxD] [-T d|u] [pool] ... \n"
415 "\t [interval [count]]\n"));
416 case HELP_UPGRADE:
417 return (gettext("\tupgrade\n"
418 "\tupgrade -v\n"
419 "\tupgrade [-V version] <-a | pool ...>\n"));
420 case HELP_EVENTS:
421 return (gettext("\tevents [-vHf [pool] | -c]\n"));
422 case HELP_GET:
423 return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] "
424 "<\"all\" | property[,...]> <pool> ...\n"));
425 case HELP_SET:
426 return (gettext("\tset <property=value> <pool>\n"
427 "\tset <vdev_property=value> <pool> <vdev>\n"));
428 case HELP_SPLIT:
429 return (gettext("\tsplit [-gLnPl] [-R altroot] [-o mntopts]\n"
430 "\t [-o property=value] <pool> <newpool> "
431 "[<device> ...]\n"));
432 case HELP_REGUID:
433 return (gettext("\treguid <pool>\n"));
434 case HELP_SYNC:
435 return (gettext("\tsync [pool] ...\n"));
436 case HELP_VERSION:
437 return (gettext("\tversion\n"));
438 case HELP_WAIT:
439 return (gettext("\twait [-Hp] [-T d|u] [-t <activity>[,...]] "
440 "<pool> [interval]\n"));
441 default:
442 __builtin_unreachable();
443 }
444 }
445
446 static void
447 zpool_collect_leaves(zpool_handle_t *zhp, nvlist_t *nvroot, nvlist_t *res)
448 {
449 uint_t children = 0;
450 nvlist_t **child;
451 uint_t i;
452
453 (void) nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
454 &child, &children);
455
456 if (children == 0) {
457 char *path = zpool_vdev_name(g_zfs, zhp, nvroot,
458 VDEV_NAME_PATH);
459
460 if (strcmp(path, VDEV_TYPE_INDIRECT) != 0 &&
461 strcmp(path, VDEV_TYPE_HOLE) != 0)
462 fnvlist_add_boolean(res, path);
463
464 free(path);
465 return;
466 }
467
468 for (i = 0; i < children; i++) {
469 zpool_collect_leaves(zhp, child[i], res);
470 }
471 }
472
473 /*
474 * Callback routine that will print out a pool property value.
475 */
476 static int
477 print_pool_prop_cb(int prop, void *cb)
478 {
479 FILE *fp = cb;
480
481 (void) fprintf(fp, "\t%-19s ", zpool_prop_to_name(prop));
482
483 if (zpool_prop_readonly(prop))
484 (void) fprintf(fp, " NO ");
485 else
486 (void) fprintf(fp, " YES ");
487
488 if (zpool_prop_values(prop) == NULL)
489 (void) fprintf(fp, "-\n");
490 else
491 (void) fprintf(fp, "%s\n", zpool_prop_values(prop));
492
493 return (ZPROP_CONT);
494 }
495
496 /*
497 * Callback routine that will print out a vdev property value.
498 */
499 static int
500 print_vdev_prop_cb(int prop, void *cb)
501 {
502 FILE *fp = cb;
503
504 (void) fprintf(fp, "\t%-19s ", vdev_prop_to_name(prop));
505
506 if (vdev_prop_readonly(prop))
507 (void) fprintf(fp, " NO ");
508 else
509 (void) fprintf(fp, " YES ");
510
511 if (vdev_prop_values(prop) == NULL)
512 (void) fprintf(fp, "-\n");
513 else
514 (void) fprintf(fp, "%s\n", vdev_prop_values(prop));
515
516 return (ZPROP_CONT);
517 }
518
519 /*
520 * Display usage message. If we're inside a command, display only the usage for
521 * that command. Otherwise, iterate over the entire command table and display
522 * a complete usage message.
523 */
524 static __attribute__((noreturn)) void
525 usage(boolean_t requested)
526 {
527 FILE *fp = requested ? stdout : stderr;
528
529 if (current_command == NULL) {
530 int i;
531
532 (void) fprintf(fp, gettext("usage: zpool command args ...\n"));
533 (void) fprintf(fp,
534 gettext("where 'command' is one of the following:\n\n"));
535
536 for (i = 0; i < NCOMMAND; i++) {
537 if (command_table[i].name == NULL)
538 (void) fprintf(fp, "\n");
539 else
540 (void) fprintf(fp, "%s",
541 get_usage(command_table[i].usage));
542 }
543
544 (void) fprintf(fp,
545 gettext("\nFor further help on a command or topic, "
546 "run: %s\n"), "zpool help [<topic>]");
547 } else {
548 (void) fprintf(fp, gettext("usage:\n"));
549 (void) fprintf(fp, "%s", get_usage(current_command->usage));
550 }
551
552 if (current_command != NULL &&
553 current_prop_type != (ZFS_TYPE_POOL | ZFS_TYPE_VDEV) &&
554 ((strcmp(current_command->name, "set") == 0) ||
555 (strcmp(current_command->name, "get") == 0) ||
556 (strcmp(current_command->name, "list") == 0))) {
557
558 (void) fprintf(fp, "%s",
559 gettext("\nthe following properties are supported:\n"));
560
561 (void) fprintf(fp, "\n\t%-19s %s %s\n\n",
562 "PROPERTY", "EDIT", "VALUES");
563
564 /* Iterate over all properties */
565 if (current_prop_type == ZFS_TYPE_POOL) {
566 (void) zprop_iter(print_pool_prop_cb, fp, B_FALSE,
567 B_TRUE, current_prop_type);
568
569 (void) fprintf(fp, "\t%-19s ", "feature@...");
570 (void) fprintf(fp, "YES "
571 "disabled | enabled | active\n");
572
573 (void) fprintf(fp, gettext("\nThe feature@ properties "
574 "must be appended with a feature name.\n"
575 "See zpool-features(7).\n"));
576 } else if (current_prop_type == ZFS_TYPE_VDEV) {
577 (void) zprop_iter(print_vdev_prop_cb, fp, B_FALSE,
578 B_TRUE, current_prop_type);
579 }
580 }
581
582 /*
583 * See comments at end of main().
584 */
585 if (getenv("ZFS_ABORT") != NULL) {
586 (void) printf("dumping core by request\n");
587 abort();
588 }
589
590 exit(requested ? 0 : 2);
591 }
592
593 /*
594 * zpool initialize [-c | -s | -u] [-w] <pool> [<vdev> ...]
595 * Initialize all unused blocks in the specified vdevs, or all vdevs in the pool
596 * if none specified.
597 *
598 * -c Cancel. Ends active initializing.
599 * -s Suspend. Initializing can then be restarted with no flags.
600 * -u Uninitialize. Clears initialization state.
601 * -w Wait. Blocks until initializing has completed.
602 */
603 int
604 zpool_do_initialize(int argc, char **argv)
605 {
606 int c;
607 char *poolname;
608 zpool_handle_t *zhp;
609 nvlist_t *vdevs;
610 int err = 0;
611 boolean_t wait = B_FALSE;
612
613 struct option long_options[] = {
614 {"cancel", no_argument, NULL, 'c'},
615 {"suspend", no_argument, NULL, 's'},
616 {"uninit", no_argument, NULL, 'u'},
617 {"wait", no_argument, NULL, 'w'},
618 {0, 0, 0, 0}
619 };
620
621 pool_initialize_func_t cmd_type = POOL_INITIALIZE_START;
622 while ((c = getopt_long(argc, argv, "csuw", long_options,
623 NULL)) != -1) {
624 switch (c) {
625 case 'c':
626 if (cmd_type != POOL_INITIALIZE_START &&
627 cmd_type != POOL_INITIALIZE_CANCEL) {
628 (void) fprintf(stderr, gettext("-c cannot be "
629 "combined with other options\n"));
630 usage(B_FALSE);
631 }
632 cmd_type = POOL_INITIALIZE_CANCEL;
633 break;
634 case 's':
635 if (cmd_type != POOL_INITIALIZE_START &&
636 cmd_type != POOL_INITIALIZE_SUSPEND) {
637 (void) fprintf(stderr, gettext("-s cannot be "
638 "combined with other options\n"));
639 usage(B_FALSE);
640 }
641 cmd_type = POOL_INITIALIZE_SUSPEND;
642 break;
643 case 'u':
644 if (cmd_type != POOL_INITIALIZE_START &&
645 cmd_type != POOL_INITIALIZE_UNINIT) {
646 (void) fprintf(stderr, gettext("-u cannot be "
647 "combined with other options\n"));
648 usage(B_FALSE);
649 }
650 cmd_type = POOL_INITIALIZE_UNINIT;
651 break;
652 case 'w':
653 wait = B_TRUE;
654 break;
655 case '?':
656 if (optopt != 0) {
657 (void) fprintf(stderr,
658 gettext("invalid option '%c'\n"), optopt);
659 } else {
660 (void) fprintf(stderr,
661 gettext("invalid option '%s'\n"),
662 argv[optind - 1]);
663 }
664 usage(B_FALSE);
665 }
666 }
667
668 argc -= optind;
669 argv += optind;
670
671 if (argc < 1) {
672 (void) fprintf(stderr, gettext("missing pool name argument\n"));
673 usage(B_FALSE);
674 return (-1);
675 }
676
677 if (wait && (cmd_type != POOL_INITIALIZE_START)) {
678 (void) fprintf(stderr, gettext("-w cannot be used with -c, -s"
679 "or -u\n"));
680 usage(B_FALSE);
681 }
682
683 poolname = argv[0];
684 zhp = zpool_open(g_zfs, poolname);
685 if (zhp == NULL)
686 return (-1);
687
688 vdevs = fnvlist_alloc();
689 if (argc == 1) {
690 /* no individual leaf vdevs specified, so add them all */
691 nvlist_t *config = zpool_get_config(zhp, NULL);
692 nvlist_t *nvroot = fnvlist_lookup_nvlist(config,
693 ZPOOL_CONFIG_VDEV_TREE);
694 zpool_collect_leaves(zhp, nvroot, vdevs);
695 } else {
696 for (int i = 1; i < argc; i++) {
697 fnvlist_add_boolean(vdevs, argv[i]);
698 }
699 }
700
701 if (wait)
702 err = zpool_initialize_wait(zhp, cmd_type, vdevs);
703 else
704 err = zpool_initialize(zhp, cmd_type, vdevs);
705
706 fnvlist_free(vdevs);
707 zpool_close(zhp);
708
709 return (err);
710 }
711
712 /*
713 * print a pool vdev config for dry runs
714 */
715 static void
716 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
717 const char *match, int name_flags)
718 {
719 nvlist_t **child;
720 uint_t c, children;
721 char *vname;
722 boolean_t printed = B_FALSE;
723
724 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
725 &child, &children) != 0) {
726 if (name != NULL)
727 (void) printf("\t%*s%s\n", indent, "", name);
728 return;
729 }
730
731 for (c = 0; c < children; c++) {
732 uint64_t is_log = B_FALSE, is_hole = B_FALSE;
733 const char *class = "";
734
735 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE,
736 &is_hole);
737
738 if (is_hole == B_TRUE) {
739 continue;
740 }
741
742 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
743 &is_log);
744 if (is_log)
745 class = VDEV_ALLOC_BIAS_LOG;
746 (void) nvlist_lookup_string(child[c],
747 ZPOOL_CONFIG_ALLOCATION_BIAS, &class);
748 if (strcmp(match, class) != 0)
749 continue;
750
751 if (!printed && name != NULL) {
752 (void) printf("\t%*s%s\n", indent, "", name);
753 printed = B_TRUE;
754 }
755 vname = zpool_vdev_name(g_zfs, zhp, child[c], name_flags);
756 print_vdev_tree(zhp, vname, child[c], indent + 2, "",
757 name_flags);
758 free(vname);
759 }
760 }
761
762 /*
763 * Print the list of l2cache devices for dry runs.
764 */
765 static void
766 print_cache_list(nvlist_t *nv, int indent)
767 {
768 nvlist_t **child;
769 uint_t c, children;
770
771 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
772 &child, &children) == 0 && children > 0) {
773 (void) printf("\t%*s%s\n", indent, "", "cache");
774 } else {
775 return;
776 }
777 for (c = 0; c < children; c++) {
778 char *vname;
779
780 vname = zpool_vdev_name(g_zfs, NULL, child[c], 0);
781 (void) printf("\t%*s%s\n", indent + 2, "", vname);
782 free(vname);
783 }
784 }
785
786 /*
787 * Print the list of spares for dry runs.
788 */
789 static void
790 print_spare_list(nvlist_t *nv, int indent)
791 {
792 nvlist_t **child;
793 uint_t c, children;
794
795 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
796 &child, &children) == 0 && children > 0) {
797 (void) printf("\t%*s%s\n", indent, "", "spares");
798 } else {
799 return;
800 }
801 for (c = 0; c < children; c++) {
802 char *vname;
803
804 vname = zpool_vdev_name(g_zfs, NULL, child[c], 0);
805 (void) printf("\t%*s%s\n", indent + 2, "", vname);
806 free(vname);
807 }
808 }
809
810 static boolean_t
811 prop_list_contains_feature(nvlist_t *proplist)
812 {
813 nvpair_t *nvp;
814 for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp;
815 nvp = nvlist_next_nvpair(proplist, nvp)) {
816 if (zpool_prop_feature(nvpair_name(nvp)))
817 return (B_TRUE);
818 }
819 return (B_FALSE);
820 }
821
822 /*
823 * Add a property pair (name, string-value) into a property nvlist.
824 */
825 static int
826 add_prop_list(const char *propname, const char *propval, nvlist_t **props,
827 boolean_t poolprop)
828 {
829 zpool_prop_t prop = ZPOOL_PROP_INVAL;
830 nvlist_t *proplist;
831 const char *normnm;
832 const char *strval;
833
834 if (*props == NULL &&
835 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) {
836 (void) fprintf(stderr,
837 gettext("internal error: out of memory\n"));
838 return (1);
839 }
840
841 proplist = *props;
842
843 if (poolprop) {
844 const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION);
845 const char *cname =
846 zpool_prop_to_name(ZPOOL_PROP_COMPATIBILITY);
847
848 if ((prop = zpool_name_to_prop(propname)) == ZPOOL_PROP_INVAL &&
849 (!zpool_prop_feature(propname) &&
850 !zpool_prop_vdev(propname))) {
851 (void) fprintf(stderr, gettext("property '%s' is "
852 "not a valid pool or vdev property\n"), propname);
853 return (2);
854 }
855
856 /*
857 * feature@ properties and version should not be specified
858 * at the same time.
859 */
860 if ((prop == ZPOOL_PROP_INVAL && zpool_prop_feature(propname) &&
861 nvlist_exists(proplist, vname)) ||
862 (prop == ZPOOL_PROP_VERSION &&
863 prop_list_contains_feature(proplist))) {
864 (void) fprintf(stderr, gettext("'feature@' and "
865 "'version' properties cannot be specified "
866 "together\n"));
867 return (2);
868 }
869
870 /*
871 * if version is specified, only "legacy" compatibility
872 * may be requested
873 */
874 if ((prop == ZPOOL_PROP_COMPATIBILITY &&
875 strcmp(propval, ZPOOL_COMPAT_LEGACY) != 0 &&
876 nvlist_exists(proplist, vname)) ||
877 (prop == ZPOOL_PROP_VERSION &&
878 nvlist_exists(proplist, cname) &&
879 strcmp(fnvlist_lookup_string(proplist, cname),
880 ZPOOL_COMPAT_LEGACY) != 0)) {
881 (void) fprintf(stderr, gettext("when 'version' is "
882 "specified, the 'compatibility' feature may only "
883 "be set to '" ZPOOL_COMPAT_LEGACY "'\n"));
884 return (2);
885 }
886
887 if (zpool_prop_feature(propname) || zpool_prop_vdev(propname))
888 normnm = propname;
889 else
890 normnm = zpool_prop_to_name(prop);
891 } else {
892 zfs_prop_t fsprop = zfs_name_to_prop(propname);
893
894 if (zfs_prop_valid_for_type(fsprop, ZFS_TYPE_FILESYSTEM,
895 B_FALSE)) {
896 normnm = zfs_prop_to_name(fsprop);
897 } else if (zfs_prop_user(propname) ||
898 zfs_prop_userquota(propname)) {
899 normnm = propname;
900 } else {
901 (void) fprintf(stderr, gettext("property '%s' is "
902 "not a valid filesystem property\n"), propname);
903 return (2);
904 }
905 }
906
907 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 &&
908 prop != ZPOOL_PROP_CACHEFILE) {
909 (void) fprintf(stderr, gettext("property '%s' "
910 "specified multiple times\n"), propname);
911 return (2);
912 }
913
914 if (nvlist_add_string(proplist, normnm, propval) != 0) {
915 (void) fprintf(stderr, gettext("internal "
916 "error: out of memory\n"));
917 return (1);
918 }
919
920 return (0);
921 }
922
923 /*
924 * Set a default property pair (name, string-value) in a property nvlist
925 */
926 static int
927 add_prop_list_default(const char *propname, const char *propval,
928 nvlist_t **props)
929 {
930 const char *pval;
931
932 if (nvlist_lookup_string(*props, propname, &pval) == 0)
933 return (0);
934
935 return (add_prop_list(propname, propval, props, B_TRUE));
936 }
937
938 /*
939 * zpool add [-fgLnP] [-o property=value] <pool> <vdev> ...
940 *
941 * -f Force addition of devices, even if they appear in use
942 * -g Display guid for individual vdev name.
943 * -L Follow links when resolving vdev path name.
944 * -n Do not add the devices, but display the resulting layout if
945 * they were to be added.
946 * -o Set property=value.
947 * -P Display full path for vdev name.
948 *
949 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is
950 * handled by make_root_vdev(), which constructs the nvlist needed to pass to
951 * libzfs.
952 */
953 int
954 zpool_do_add(int argc, char **argv)
955 {
956 boolean_t force = B_FALSE;
957 boolean_t dryrun = B_FALSE;
958 int name_flags = 0;
959 int c;
960 nvlist_t *nvroot;
961 char *poolname;
962 int ret;
963 zpool_handle_t *zhp;
964 nvlist_t *config;
965 nvlist_t *props = NULL;
966 char *propval;
967
968 /* check options */
969 while ((c = getopt(argc, argv, "fgLno:P")) != -1) {
970 switch (c) {
971 case 'f':
972 force = B_TRUE;
973 break;
974 case 'g':
975 name_flags |= VDEV_NAME_GUID;
976 break;
977 case 'L':
978 name_flags |= VDEV_NAME_FOLLOW_LINKS;
979 break;
980 case 'n':
981 dryrun = B_TRUE;
982 break;
983 case 'o':
984 if ((propval = strchr(optarg, '=')) == NULL) {
985 (void) fprintf(stderr, gettext("missing "
986 "'=' for -o option\n"));
987 usage(B_FALSE);
988 }
989 *propval = '\0';
990 propval++;
991
992 if ((strcmp(optarg, ZPOOL_CONFIG_ASHIFT) != 0) ||
993 (add_prop_list(optarg, propval, &props, B_TRUE)))
994 usage(B_FALSE);
995 break;
996 case 'P':
997 name_flags |= VDEV_NAME_PATH;
998 break;
999 case '?':
1000 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1001 optopt);
1002 usage(B_FALSE);
1003 }
1004 }
1005
1006 argc -= optind;
1007 argv += optind;
1008
1009 /* get pool name and check number of arguments */
1010 if (argc < 1) {
1011 (void) fprintf(stderr, gettext("missing pool name argument\n"));
1012 usage(B_FALSE);
1013 }
1014 if (argc < 2) {
1015 (void) fprintf(stderr, gettext("missing vdev specification\n"));
1016 usage(B_FALSE);
1017 }
1018
1019 poolname = argv[0];
1020
1021 argc--;
1022 argv++;
1023
1024 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
1025 return (1);
1026
1027 if ((config = zpool_get_config(zhp, NULL)) == NULL) {
1028 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
1029 poolname);
1030 zpool_close(zhp);
1031 return (1);
1032 }
1033
1034 /* unless manually specified use "ashift" pool property (if set) */
1035 if (!nvlist_exists(props, ZPOOL_CONFIG_ASHIFT)) {
1036 int intval;
1037 zprop_source_t src;
1038 char strval[ZPOOL_MAXPROPLEN];
1039
1040 intval = zpool_get_prop_int(zhp, ZPOOL_PROP_ASHIFT, &src);
1041 if (src != ZPROP_SRC_DEFAULT) {
1042 (void) sprintf(strval, "%" PRId32, intval);
1043 verify(add_prop_list(ZPOOL_CONFIG_ASHIFT, strval,
1044 &props, B_TRUE) == 0);
1045 }
1046 }
1047
1048 /* pass off to make_root_vdev for processing */
1049 nvroot = make_root_vdev(zhp, props, force, !force, B_FALSE, dryrun,
1050 argc, argv);
1051 if (nvroot == NULL) {
1052 zpool_close(zhp);
1053 return (1);
1054 }
1055
1056 if (dryrun) {
1057 nvlist_t *poolnvroot;
1058 nvlist_t **l2child, **sparechild;
1059 uint_t l2children, sparechildren, c;
1060 char *vname;
1061 boolean_t hadcache = B_FALSE, hadspare = B_FALSE;
1062
1063 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
1064 &poolnvroot) == 0);
1065
1066 (void) printf(gettext("would update '%s' to the following "
1067 "configuration:\n\n"), zpool_get_name(zhp));
1068
1069 /* print original main pool and new tree */
1070 print_vdev_tree(zhp, poolname, poolnvroot, 0, "",
1071 name_flags | VDEV_NAME_TYPE_ID);
1072 print_vdev_tree(zhp, NULL, nvroot, 0, "", name_flags);
1073
1074 /* print other classes: 'dedup', 'special', and 'log' */
1075 if (zfs_special_devs(poolnvroot, VDEV_ALLOC_BIAS_DEDUP)) {
1076 print_vdev_tree(zhp, "dedup", poolnvroot, 0,
1077 VDEV_ALLOC_BIAS_DEDUP, name_flags);
1078 print_vdev_tree(zhp, NULL, nvroot, 0,
1079 VDEV_ALLOC_BIAS_DEDUP, name_flags);
1080 } else if (zfs_special_devs(nvroot, VDEV_ALLOC_BIAS_DEDUP)) {
1081 print_vdev_tree(zhp, "dedup", nvroot, 0,
1082 VDEV_ALLOC_BIAS_DEDUP, name_flags);
1083 }
1084
1085 if (zfs_special_devs(poolnvroot, VDEV_ALLOC_BIAS_SPECIAL)) {
1086 print_vdev_tree(zhp, "special", poolnvroot, 0,
1087 VDEV_ALLOC_BIAS_SPECIAL, name_flags);
1088 print_vdev_tree(zhp, NULL, nvroot, 0,
1089 VDEV_ALLOC_BIAS_SPECIAL, name_flags);
1090 } else if (zfs_special_devs(nvroot, VDEV_ALLOC_BIAS_SPECIAL)) {
1091 print_vdev_tree(zhp, "special", nvroot, 0,
1092 VDEV_ALLOC_BIAS_SPECIAL, name_flags);
1093 }
1094
1095 if (num_logs(poolnvroot) > 0) {
1096 print_vdev_tree(zhp, "logs", poolnvroot, 0,
1097 VDEV_ALLOC_BIAS_LOG, name_flags);
1098 print_vdev_tree(zhp, NULL, nvroot, 0,
1099 VDEV_ALLOC_BIAS_LOG, name_flags);
1100 } else if (num_logs(nvroot) > 0) {
1101 print_vdev_tree(zhp, "logs", nvroot, 0,
1102 VDEV_ALLOC_BIAS_LOG, name_flags);
1103 }
1104
1105 /* Do the same for the caches */
1106 if (nvlist_lookup_nvlist_array(poolnvroot, ZPOOL_CONFIG_L2CACHE,
1107 &l2child, &l2children) == 0 && l2children) {
1108 hadcache = B_TRUE;
1109 (void) printf(gettext("\tcache\n"));
1110 for (c = 0; c < l2children; c++) {
1111 vname = zpool_vdev_name(g_zfs, NULL,
1112 l2child[c], name_flags);
1113 (void) printf("\t %s\n", vname);
1114 free(vname);
1115 }
1116 }
1117 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
1118 &l2child, &l2children) == 0 && l2children) {
1119 if (!hadcache)
1120 (void) printf(gettext("\tcache\n"));
1121 for (c = 0; c < l2children; c++) {
1122 vname = zpool_vdev_name(g_zfs, NULL,
1123 l2child[c], name_flags);
1124 (void) printf("\t %s\n", vname);
1125 free(vname);
1126 }
1127 }
1128 /* And finally the spares */
1129 if (nvlist_lookup_nvlist_array(poolnvroot, ZPOOL_CONFIG_SPARES,
1130 &sparechild, &sparechildren) == 0 && sparechildren > 0) {
1131 hadspare = B_TRUE;
1132 (void) printf(gettext("\tspares\n"));
1133 for (c = 0; c < sparechildren; c++) {
1134 vname = zpool_vdev_name(g_zfs, NULL,
1135 sparechild[c], name_flags);
1136 (void) printf("\t %s\n", vname);
1137 free(vname);
1138 }
1139 }
1140 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
1141 &sparechild, &sparechildren) == 0 && sparechildren > 0) {
1142 if (!hadspare)
1143 (void) printf(gettext("\tspares\n"));
1144 for (c = 0; c < sparechildren; c++) {
1145 vname = zpool_vdev_name(g_zfs, NULL,
1146 sparechild[c], name_flags);
1147 (void) printf("\t %s\n", vname);
1148 free(vname);
1149 }
1150 }
1151
1152 ret = 0;
1153 } else {
1154 ret = (zpool_add(zhp, nvroot) != 0);
1155 }
1156
1157 nvlist_free(props);
1158 nvlist_free(nvroot);
1159 zpool_close(zhp);
1160
1161 return (ret);
1162 }
1163
1164 /*
1165 * zpool remove [-npsw] <pool> <vdev> ...
1166 *
1167 * Removes the given vdev from the pool.
1168 */
1169 int
1170 zpool_do_remove(int argc, char **argv)
1171 {
1172 char *poolname;
1173 int i, ret = 0;
1174 zpool_handle_t *zhp = NULL;
1175 boolean_t stop = B_FALSE;
1176 int c;
1177 boolean_t noop = B_FALSE;
1178 boolean_t parsable = B_FALSE;
1179 boolean_t wait = B_FALSE;
1180
1181 /* check options */
1182 while ((c = getopt(argc, argv, "npsw")) != -1) {
1183 switch (c) {
1184 case 'n':
1185 noop = B_TRUE;
1186 break;
1187 case 'p':
1188 parsable = B_TRUE;
1189 break;
1190 case 's':
1191 stop = B_TRUE;
1192 break;
1193 case 'w':
1194 wait = B_TRUE;
1195 break;
1196 case '?':
1197 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1198 optopt);
1199 usage(B_FALSE);
1200 }
1201 }
1202
1203 argc -= optind;
1204 argv += optind;
1205
1206 /* get pool name and check number of arguments */
1207 if (argc < 1) {
1208 (void) fprintf(stderr, gettext("missing pool name argument\n"));
1209 usage(B_FALSE);
1210 }
1211
1212 poolname = argv[0];
1213
1214 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
1215 return (1);
1216
1217 if (stop && noop) {
1218 zpool_close(zhp);
1219 (void) fprintf(stderr, gettext("stop request ignored\n"));
1220 return (0);
1221 }
1222
1223 if (stop) {
1224 if (argc > 1) {
1225 (void) fprintf(stderr, gettext("too many arguments\n"));
1226 usage(B_FALSE);
1227 }
1228 if (zpool_vdev_remove_cancel(zhp) != 0)
1229 ret = 1;
1230 if (wait) {
1231 (void) fprintf(stderr, gettext("invalid option "
1232 "combination: -w cannot be used with -s\n"));
1233 usage(B_FALSE);
1234 }
1235 } else {
1236 if (argc < 2) {
1237 (void) fprintf(stderr, gettext("missing device\n"));
1238 usage(B_FALSE);
1239 }
1240
1241 for (i = 1; i < argc; i++) {
1242 if (noop) {
1243 uint64_t size;
1244
1245 if (zpool_vdev_indirect_size(zhp, argv[i],
1246 &size) != 0) {
1247 ret = 1;
1248 break;
1249 }
1250 if (parsable) {
1251 (void) printf("%s %llu\n",
1252 argv[i], (unsigned long long)size);
1253 } else {
1254 char valstr[32];
1255 zfs_nicenum(size, valstr,
1256 sizeof (valstr));
1257 (void) printf("Memory that will be "
1258 "used after removing %s: %s\n",
1259 argv[i], valstr);
1260 }
1261 } else {
1262 if (zpool_vdev_remove(zhp, argv[i]) != 0)
1263 ret = 1;
1264 }
1265 }
1266
1267 if (ret == 0 && wait)
1268 ret = zpool_wait(zhp, ZPOOL_WAIT_REMOVE);
1269 }
1270 zpool_close(zhp);
1271
1272 return (ret);
1273 }
1274
1275 /*
1276 * Return 1 if a vdev is active (being used in a pool)
1277 * Return 0 if a vdev is inactive (offlined or faulted, or not in active pool)
1278 *
1279 * This is useful for checking if a disk in an active pool is offlined or
1280 * faulted.
1281 */
1282 static int
1283 vdev_is_active(char *vdev_path)
1284 {
1285 int fd;
1286 fd = open(vdev_path, O_EXCL);
1287 if (fd < 0) {
1288 return (1); /* cant open O_EXCL - disk is active */
1289 }
1290
1291 close(fd);
1292 return (0); /* disk is inactive in the pool */
1293 }
1294
1295 /*
1296 * zpool labelclear [-f] <vdev>
1297 *
1298 * -f Force clearing the label for the vdevs which are members of
1299 * the exported or foreign pools.
1300 *
1301 * Verifies that the vdev is not active and zeros out the label information
1302 * on the device.
1303 */
1304 int
1305 zpool_do_labelclear(int argc, char **argv)
1306 {
1307 char vdev[MAXPATHLEN];
1308 char *name = NULL;
1309 int c, fd = -1, ret = 0;
1310 nvlist_t *config;
1311 pool_state_t state;
1312 boolean_t inuse = B_FALSE;
1313 boolean_t force = B_FALSE;
1314
1315 /* check options */
1316 while ((c = getopt(argc, argv, "f")) != -1) {
1317 switch (c) {
1318 case 'f':
1319 force = B_TRUE;
1320 break;
1321 default:
1322 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1323 optopt);
1324 usage(B_FALSE);
1325 }
1326 }
1327
1328 argc -= optind;
1329 argv += optind;
1330
1331 /* get vdev name */
1332 if (argc < 1) {
1333 (void) fprintf(stderr, gettext("missing vdev name\n"));
1334 usage(B_FALSE);
1335 }
1336 if (argc > 1) {
1337 (void) fprintf(stderr, gettext("too many arguments\n"));
1338 usage(B_FALSE);
1339 }
1340
1341 (void) strlcpy(vdev, argv[0], sizeof (vdev));
1342
1343 /*
1344 * If we cannot open an absolute path, we quit.
1345 * Otherwise if the provided vdev name doesn't point to a file,
1346 * try prepending expected disk paths and partition numbers.
1347 */
1348 if ((fd = open(vdev, O_RDWR)) < 0) {
1349 int error;
1350 if (vdev[0] == '/') {
1351 (void) fprintf(stderr, gettext("failed to open "
1352 "%s: %s\n"), vdev, strerror(errno));
1353 return (1);
1354 }
1355
1356 error = zfs_resolve_shortname(argv[0], vdev, MAXPATHLEN);
1357 if (error == 0 && zfs_dev_is_whole_disk(vdev)) {
1358 if (zfs_append_partition(vdev, MAXPATHLEN) == -1)
1359 error = ENOENT;
1360 }
1361
1362 if (error || ((fd = open(vdev, O_RDWR)) < 0)) {
1363 if (errno == ENOENT) {
1364 (void) fprintf(stderr, gettext(
1365 "failed to find device %s, try "
1366 "specifying absolute path instead\n"),
1367 argv[0]);
1368 return (1);
1369 }
1370
1371 (void) fprintf(stderr, gettext("failed to open %s:"
1372 " %s\n"), vdev, strerror(errno));
1373 return (1);
1374 }
1375 }
1376
1377 /*
1378 * Flush all dirty pages for the block device. This should not be
1379 * fatal when the device does not support BLKFLSBUF as would be the
1380 * case for a file vdev.
1381 */
1382 if ((zfs_dev_flush(fd) != 0) && (errno != ENOTTY))
1383 (void) fprintf(stderr, gettext("failed to invalidate "
1384 "cache for %s: %s\n"), vdev, strerror(errno));
1385
1386 if (zpool_read_label(fd, &config, NULL) != 0) {
1387 (void) fprintf(stderr,
1388 gettext("failed to read label from %s\n"), vdev);
1389 ret = 1;
1390 goto errout;
1391 }
1392 nvlist_free(config);
1393
1394 ret = zpool_in_use(g_zfs, fd, &state, &name, &inuse);
1395 if (ret != 0) {
1396 (void) fprintf(stderr,
1397 gettext("failed to check state for %s\n"), vdev);
1398 ret = 1;
1399 goto errout;
1400 }
1401
1402 if (!inuse)
1403 goto wipe_label;
1404
1405 switch (state) {
1406 default:
1407 case POOL_STATE_ACTIVE:
1408 case POOL_STATE_SPARE:
1409 case POOL_STATE_L2CACHE:
1410 /*
1411 * We allow the user to call 'zpool offline -f'
1412 * on an offlined disk in an active pool. We can check if
1413 * the disk is online by calling vdev_is_active().
1414 */
1415 if (force && !vdev_is_active(vdev))
1416 break;
1417
1418 (void) fprintf(stderr, gettext(
1419 "%s is a member (%s) of pool \"%s\""),
1420 vdev, zpool_pool_state_to_name(state), name);
1421
1422 if (force) {
1423 (void) fprintf(stderr, gettext(
1424 ". Offline the disk first to clear its label."));
1425 }
1426 printf("\n");
1427 ret = 1;
1428 goto errout;
1429
1430 case POOL_STATE_EXPORTED:
1431 if (force)
1432 break;
1433 (void) fprintf(stderr, gettext(
1434 "use '-f' to override the following error:\n"
1435 "%s is a member of exported pool \"%s\"\n"),
1436 vdev, name);
1437 ret = 1;
1438 goto errout;
1439
1440 case POOL_STATE_POTENTIALLY_ACTIVE:
1441 if (force)
1442 break;
1443 (void) fprintf(stderr, gettext(
1444 "use '-f' to override the following error:\n"
1445 "%s is a member of potentially active pool \"%s\"\n"),
1446 vdev, name);
1447 ret = 1;
1448 goto errout;
1449
1450 case POOL_STATE_DESTROYED:
1451 /* inuse should never be set for a destroyed pool */
1452 assert(0);
1453 break;
1454 }
1455
1456 wipe_label:
1457 ret = zpool_clear_label(fd);
1458 if (ret != 0) {
1459 (void) fprintf(stderr,
1460 gettext("failed to clear label for %s\n"), vdev);
1461 }
1462
1463 errout:
1464 free(name);
1465 (void) close(fd);
1466
1467 return (ret);
1468 }
1469
1470 /*
1471 * zpool create [-fnd] [-o property=value] ...
1472 * [-O file-system-property=value] ...
1473 * [-R root] [-m mountpoint] <pool> <dev> ...
1474 *
1475 * -f Force creation, even if devices appear in use
1476 * -n Do not create the pool, but display the resulting layout if it
1477 * were to be created.
1478 * -R Create a pool under an alternate root
1479 * -m Set default mountpoint for the root dataset. By default it's
1480 * '/<pool>'
1481 * -o Set property=value.
1482 * -o Set feature@feature=enabled|disabled.
1483 * -d Don't automatically enable all supported pool features
1484 * (individual features can be enabled with -o).
1485 * -O Set fsproperty=value in the pool's root file system
1486 *
1487 * Creates the named pool according to the given vdev specification. The
1488 * bulk of the vdev processing is done in make_root_vdev() in zpool_vdev.c.
1489 * Once we get the nvlist back from make_root_vdev(), we either print out the
1490 * contents (if '-n' was specified), or pass it to libzfs to do the creation.
1491 */
1492 int
1493 zpool_do_create(int argc, char **argv)
1494 {
1495 boolean_t force = B_FALSE;
1496 boolean_t dryrun = B_FALSE;
1497 boolean_t enable_pool_features = B_TRUE;
1498
1499 int c;
1500 nvlist_t *nvroot = NULL;
1501 char *poolname;
1502 char *tname = NULL;
1503 int ret = 1;
1504 char *altroot = NULL;
1505 char *compat = NULL;
1506 char *mountpoint = NULL;
1507 nvlist_t *fsprops = NULL;
1508 nvlist_t *props = NULL;
1509 char *propval;
1510
1511 /* check options */
1512 while ((c = getopt(argc, argv, ":fndR:m:o:O:t:")) != -1) {
1513 switch (c) {
1514 case 'f':
1515 force = B_TRUE;
1516 break;
1517 case 'n':
1518 dryrun = B_TRUE;
1519 break;
1520 case 'd':
1521 enable_pool_features = B_FALSE;
1522 break;
1523 case 'R':
1524 altroot = optarg;
1525 if (add_prop_list(zpool_prop_to_name(
1526 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
1527 goto errout;
1528 if (add_prop_list_default(zpool_prop_to_name(
1529 ZPOOL_PROP_CACHEFILE), "none", &props))
1530 goto errout;
1531 break;
1532 case 'm':
1533 /* Equivalent to -O mountpoint=optarg */
1534 mountpoint = optarg;
1535 break;
1536 case 'o':
1537 if ((propval = strchr(optarg, '=')) == NULL) {
1538 (void) fprintf(stderr, gettext("missing "
1539 "'=' for -o option\n"));
1540 goto errout;
1541 }
1542 *propval = '\0';
1543 propval++;
1544
1545 if (add_prop_list(optarg, propval, &props, B_TRUE))
1546 goto errout;
1547
1548 /*
1549 * If the user is creating a pool that doesn't support
1550 * feature flags, don't enable any features.
1551 */
1552 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_VERSION) {
1553 char *end;
1554 u_longlong_t ver;
1555
1556 ver = strtoull(propval, &end, 10);
1557 if (*end == '\0' &&
1558 ver < SPA_VERSION_FEATURES) {
1559 enable_pool_features = B_FALSE;
1560 }
1561 }
1562 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_ALTROOT)
1563 altroot = propval;
1564 if (zpool_name_to_prop(optarg) ==
1565 ZPOOL_PROP_COMPATIBILITY)
1566 compat = propval;
1567 break;
1568 case 'O':
1569 if ((propval = strchr(optarg, '=')) == NULL) {
1570 (void) fprintf(stderr, gettext("missing "
1571 "'=' for -O option\n"));
1572 goto errout;
1573 }
1574 *propval = '\0';
1575 propval++;
1576
1577 /*
1578 * Mountpoints are checked and then added later.
1579 * Uniquely among properties, they can be specified
1580 * more than once, to avoid conflict with -m.
1581 */
1582 if (0 == strcmp(optarg,
1583 zfs_prop_to_name(ZFS_PROP_MOUNTPOINT))) {
1584 mountpoint = propval;
1585 } else if (add_prop_list(optarg, propval, &fsprops,
1586 B_FALSE)) {
1587 goto errout;
1588 }
1589 break;
1590 case 't':
1591 /*
1592 * Sanity check temporary pool name.
1593 */
1594 if (strchr(optarg, '/') != NULL) {
1595 (void) fprintf(stderr, gettext("cannot create "
1596 "'%s': invalid character '/' in temporary "
1597 "name\n"), optarg);
1598 (void) fprintf(stderr, gettext("use 'zfs "
1599 "create' to create a dataset\n"));
1600 goto errout;
1601 }
1602
1603 if (add_prop_list(zpool_prop_to_name(
1604 ZPOOL_PROP_TNAME), optarg, &props, B_TRUE))
1605 goto errout;
1606 if (add_prop_list_default(zpool_prop_to_name(
1607 ZPOOL_PROP_CACHEFILE), "none", &props))
1608 goto errout;
1609 tname = optarg;
1610 break;
1611 case ':':
1612 (void) fprintf(stderr, gettext("missing argument for "
1613 "'%c' option\n"), optopt);
1614 goto badusage;
1615 case '?':
1616 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1617 optopt);
1618 goto badusage;
1619 }
1620 }
1621
1622 argc -= optind;
1623 argv += optind;
1624
1625 /* get pool name and check number of arguments */
1626 if (argc < 1) {
1627 (void) fprintf(stderr, gettext("missing pool name argument\n"));
1628 goto badusage;
1629 }
1630 if (argc < 2) {
1631 (void) fprintf(stderr, gettext("missing vdev specification\n"));
1632 goto badusage;
1633 }
1634
1635 poolname = argv[0];
1636
1637 /*
1638 * As a special case, check for use of '/' in the name, and direct the
1639 * user to use 'zfs create' instead.
1640 */
1641 if (strchr(poolname, '/') != NULL) {
1642 (void) fprintf(stderr, gettext("cannot create '%s': invalid "
1643 "character '/' in pool name\n"), poolname);
1644 (void) fprintf(stderr, gettext("use 'zfs create' to "
1645 "create a dataset\n"));
1646 goto errout;
1647 }
1648
1649 /* pass off to make_root_vdev for bulk processing */
1650 nvroot = make_root_vdev(NULL, props, force, !force, B_FALSE, dryrun,
1651 argc - 1, argv + 1);
1652 if (nvroot == NULL)
1653 goto errout;
1654
1655 /* make_root_vdev() allows 0 toplevel children if there are spares */
1656 if (!zfs_allocatable_devs(nvroot)) {
1657 (void) fprintf(stderr, gettext("invalid vdev "
1658 "specification: at least one toplevel vdev must be "
1659 "specified\n"));
1660 goto errout;
1661 }
1662
1663 if (altroot != NULL && altroot[0] != '/') {
1664 (void) fprintf(stderr, gettext("invalid alternate root '%s': "
1665 "must be an absolute path\n"), altroot);
1666 goto errout;
1667 }
1668
1669 /*
1670 * Check the validity of the mountpoint and direct the user to use the
1671 * '-m' mountpoint option if it looks like its in use.
1672 */
1673 if (mountpoint == NULL ||
1674 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 &&
1675 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) {
1676 char buf[MAXPATHLEN];
1677 DIR *dirp;
1678
1679 if (mountpoint && mountpoint[0] != '/') {
1680 (void) fprintf(stderr, gettext("invalid mountpoint "
1681 "'%s': must be an absolute path, 'legacy', or "
1682 "'none'\n"), mountpoint);
1683 goto errout;
1684 }
1685
1686 if (mountpoint == NULL) {
1687 if (altroot != NULL)
1688 (void) snprintf(buf, sizeof (buf), "%s/%s",
1689 altroot, poolname);
1690 else
1691 (void) snprintf(buf, sizeof (buf), "/%s",
1692 poolname);
1693 } else {
1694 if (altroot != NULL)
1695 (void) snprintf(buf, sizeof (buf), "%s%s",
1696 altroot, mountpoint);
1697 else
1698 (void) snprintf(buf, sizeof (buf), "%s",
1699 mountpoint);
1700 }
1701
1702 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) {
1703 (void) fprintf(stderr, gettext("mountpoint '%s' : "
1704 "%s\n"), buf, strerror(errno));
1705 (void) fprintf(stderr, gettext("use '-m' "
1706 "option to provide a different default\n"));
1707 goto errout;
1708 } else if (dirp) {
1709 int count = 0;
1710
1711 while (count < 3 && readdir(dirp) != NULL)
1712 count++;
1713 (void) closedir(dirp);
1714
1715 if (count > 2) {
1716 (void) fprintf(stderr, gettext("mountpoint "
1717 "'%s' exists and is not empty\n"), buf);
1718 (void) fprintf(stderr, gettext("use '-m' "
1719 "option to provide a "
1720 "different default\n"));
1721 goto errout;
1722 }
1723 }
1724 }
1725
1726 /*
1727 * Now that the mountpoint's validity has been checked, ensure that
1728 * the property is set appropriately prior to creating the pool.
1729 */
1730 if (mountpoint != NULL) {
1731 ret = add_prop_list(zfs_prop_to_name(ZFS_PROP_MOUNTPOINT),
1732 mountpoint, &fsprops, B_FALSE);
1733 if (ret != 0)
1734 goto errout;
1735 }
1736
1737 ret = 1;
1738 if (dryrun) {
1739 /*
1740 * For a dry run invocation, print out a basic message and run
1741 * through all the vdevs in the list and print out in an
1742 * appropriate hierarchy.
1743 */
1744 (void) printf(gettext("would create '%s' with the "
1745 "following layout:\n\n"), poolname);
1746
1747 print_vdev_tree(NULL, poolname, nvroot, 0, "", 0);
1748 print_vdev_tree(NULL, "dedup", nvroot, 0,
1749 VDEV_ALLOC_BIAS_DEDUP, 0);
1750 print_vdev_tree(NULL, "special", nvroot, 0,
1751 VDEV_ALLOC_BIAS_SPECIAL, 0);
1752 print_vdev_tree(NULL, "logs", nvroot, 0,
1753 VDEV_ALLOC_BIAS_LOG, 0);
1754 print_cache_list(nvroot, 0);
1755 print_spare_list(nvroot, 0);
1756
1757 ret = 0;
1758 } else {
1759 /*
1760 * Load in feature set.
1761 * Note: if compatibility property not given, we'll have
1762 * NULL, which means 'all features'.
1763 */
1764 boolean_t requested_features[SPA_FEATURES];
1765 if (zpool_do_load_compat(compat, requested_features) !=
1766 ZPOOL_COMPATIBILITY_OK)
1767 goto errout;
1768
1769 /*
1770 * props contains list of features to enable.
1771 * For each feature:
1772 * - remove it if feature@name=disabled
1773 * - leave it there if feature@name=enabled
1774 * - add it if:
1775 * - enable_pool_features (ie: no '-d' or '-o version')
1776 * - it's supported by the kernel module
1777 * - it's in the requested feature set
1778 * - warn if it's enabled but not in compat
1779 */
1780 for (spa_feature_t i = 0; i < SPA_FEATURES; i++) {
1781 char propname[MAXPATHLEN];
1782 const char *propval;
1783 zfeature_info_t *feat = &spa_feature_table[i];
1784
1785 (void) snprintf(propname, sizeof (propname),
1786 "feature@%s", feat->fi_uname);
1787
1788 if (!nvlist_lookup_string(props, propname, &propval)) {
1789 if (strcmp(propval,
1790 ZFS_FEATURE_DISABLED) == 0) {
1791 (void) nvlist_remove_all(props,
1792 propname);
1793 } else if (strcmp(propval,
1794 ZFS_FEATURE_ENABLED) == 0 &&
1795 !requested_features[i]) {
1796 (void) fprintf(stderr, gettext(
1797 "Warning: feature \"%s\" enabled "
1798 "but is not in specified "
1799 "'compatibility' feature set.\n"),
1800 feat->fi_uname);
1801 }
1802 } else if (
1803 enable_pool_features &&
1804 feat->fi_zfs_mod_supported &&
1805 requested_features[i]) {
1806 ret = add_prop_list(propname,
1807 ZFS_FEATURE_ENABLED, &props, B_TRUE);
1808 if (ret != 0)
1809 goto errout;
1810 }
1811 }
1812
1813 ret = 1;
1814 if (zpool_create(g_zfs, poolname,
1815 nvroot, props, fsprops) == 0) {
1816 zfs_handle_t *pool = zfs_open(g_zfs,
1817 tname ? tname : poolname, ZFS_TYPE_FILESYSTEM);
1818 if (pool != NULL) {
1819 if (zfs_mount(pool, NULL, 0) == 0) {
1820 ret = zfs_share(pool, NULL);
1821 zfs_commit_shares(NULL);
1822 }
1823 zfs_close(pool);
1824 }
1825 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) {
1826 (void) fprintf(stderr, gettext("pool name may have "
1827 "been omitted\n"));
1828 }
1829 }
1830
1831 errout:
1832 nvlist_free(nvroot);
1833 nvlist_free(fsprops);
1834 nvlist_free(props);
1835 return (ret);
1836 badusage:
1837 nvlist_free(fsprops);
1838 nvlist_free(props);
1839 usage(B_FALSE);
1840 return (2);
1841 }
1842
1843 /*
1844 * zpool destroy <pool>
1845 *
1846 * -f Forcefully unmount any datasets
1847 *
1848 * Destroy the given pool. Automatically unmounts any datasets in the pool.
1849 */
1850 int
1851 zpool_do_destroy(int argc, char **argv)
1852 {
1853 boolean_t force = B_FALSE;
1854 int c;
1855 char *pool;
1856 zpool_handle_t *zhp;
1857 int ret;
1858
1859 /* check options */
1860 while ((c = getopt(argc, argv, "f")) != -1) {
1861 switch (c) {
1862 case 'f':
1863 force = B_TRUE;
1864 break;
1865 case '?':
1866 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1867 optopt);
1868 usage(B_FALSE);
1869 }
1870 }
1871
1872 argc -= optind;
1873 argv += optind;
1874
1875 /* check arguments */
1876 if (argc < 1) {
1877 (void) fprintf(stderr, gettext("missing pool argument\n"));
1878 usage(B_FALSE);
1879 }
1880 if (argc > 1) {
1881 (void) fprintf(stderr, gettext("too many arguments\n"));
1882 usage(B_FALSE);
1883 }
1884
1885 pool = argv[0];
1886
1887 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
1888 /*
1889 * As a special case, check for use of '/' in the name, and
1890 * direct the user to use 'zfs destroy' instead.
1891 */
1892 if (strchr(pool, '/') != NULL)
1893 (void) fprintf(stderr, gettext("use 'zfs destroy' to "
1894 "destroy a dataset\n"));
1895 return (1);
1896 }
1897
1898 if (zpool_disable_datasets(zhp, force) != 0) {
1899 (void) fprintf(stderr, gettext("could not destroy '%s': "
1900 "could not unmount datasets\n"), zpool_get_name(zhp));
1901 zpool_close(zhp);
1902 return (1);
1903 }
1904
1905 /* The history must be logged as part of the export */
1906 log_history = B_FALSE;
1907
1908 ret = (zpool_destroy(zhp, history_str) != 0);
1909
1910 zpool_close(zhp);
1911
1912 return (ret);
1913 }
1914
1915 typedef struct export_cbdata {
1916 boolean_t force;
1917 boolean_t hardforce;
1918 } export_cbdata_t;
1919
1920 /*
1921 * Export one pool
1922 */
1923 static int
1924 zpool_export_one(zpool_handle_t *zhp, void *data)
1925 {
1926 export_cbdata_t *cb = data;
1927
1928 if (zpool_disable_datasets(zhp, cb->force) != 0)
1929 return (1);
1930
1931 /* The history must be logged as part of the export */
1932 log_history = B_FALSE;
1933
1934 if (cb->hardforce) {
1935 if (zpool_export_force(zhp, history_str) != 0)
1936 return (1);
1937 } else if (zpool_export(zhp, cb->force, history_str) != 0) {
1938 return (1);
1939 }
1940
1941 return (0);
1942 }
1943
1944 /*
1945 * zpool export [-f] <pool> ...
1946 *
1947 * -a Export all pools
1948 * -f Forcefully unmount datasets
1949 *
1950 * Export the given pools. By default, the command will attempt to cleanly
1951 * unmount any active datasets within the pool. If the '-f' flag is specified,
1952 * then the datasets will be forcefully unmounted.
1953 */
1954 int
1955 zpool_do_export(int argc, char **argv)
1956 {
1957 export_cbdata_t cb;
1958 boolean_t do_all = B_FALSE;
1959 boolean_t force = B_FALSE;
1960 boolean_t hardforce = B_FALSE;
1961 int c, ret;
1962
1963 /* check options */
1964 while ((c = getopt(argc, argv, "afF")) != -1) {
1965 switch (c) {
1966 case 'a':
1967 do_all = B_TRUE;
1968 break;
1969 case 'f':
1970 force = B_TRUE;
1971 break;
1972 case 'F':
1973 hardforce = B_TRUE;
1974 break;
1975 case '?':
1976 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1977 optopt);
1978 usage(B_FALSE);
1979 }
1980 }
1981
1982 cb.force = force;
1983 cb.hardforce = hardforce;
1984 argc -= optind;
1985 argv += optind;
1986
1987 if (do_all) {
1988 if (argc != 0) {
1989 (void) fprintf(stderr, gettext("too many arguments\n"));
1990 usage(B_FALSE);
1991 }
1992
1993 return (for_each_pool(argc, argv, B_TRUE, NULL,
1994 ZFS_TYPE_POOL, B_FALSE, zpool_export_one, &cb));
1995 }
1996
1997 /* check arguments */
1998 if (argc < 1) {
1999 (void) fprintf(stderr, gettext("missing pool argument\n"));
2000 usage(B_FALSE);
2001 }
2002
2003 ret = for_each_pool(argc, argv, B_TRUE, NULL, ZFS_TYPE_POOL,
2004 B_FALSE, zpool_export_one, &cb);
2005
2006 return (ret);
2007 }
2008
2009 /*
2010 * Given a vdev configuration, determine the maximum width needed for the device
2011 * name column.
2012 */
2013 static int
2014 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max,
2015 int name_flags)
2016 {
2017 static const char *const subtypes[] =
2018 {ZPOOL_CONFIG_SPARES, ZPOOL_CONFIG_L2CACHE, ZPOOL_CONFIG_CHILDREN};
2019
2020 char *name = zpool_vdev_name(g_zfs, zhp, nv, name_flags);
2021 max = MAX(strlen(name) + depth, max);
2022 free(name);
2023
2024 nvlist_t **child;
2025 uint_t children;
2026 for (size_t i = 0; i < ARRAY_SIZE(subtypes); ++i)
2027 if (nvlist_lookup_nvlist_array(nv, subtypes[i],
2028 &child, &children) == 0)
2029 for (uint_t c = 0; c < children; ++c)
2030 max = MAX(max_width(zhp, child[c], depth + 2,
2031 max, name_flags), max);
2032
2033 return (max);
2034 }
2035
2036 typedef struct spare_cbdata {
2037 uint64_t cb_guid;
2038 zpool_handle_t *cb_zhp;
2039 } spare_cbdata_t;
2040
2041 static boolean_t
2042 find_vdev(nvlist_t *nv, uint64_t search)
2043 {
2044 uint64_t guid;
2045 nvlist_t **child;
2046 uint_t c, children;
2047
2048 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 &&
2049 search == guid)
2050 return (B_TRUE);
2051
2052 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
2053 &child, &children) == 0) {
2054 for (c = 0; c < children; c++)
2055 if (find_vdev(child[c], search))
2056 return (B_TRUE);
2057 }
2058
2059 return (B_FALSE);
2060 }
2061
2062 static int
2063 find_spare(zpool_handle_t *zhp, void *data)
2064 {
2065 spare_cbdata_t *cbp = data;
2066 nvlist_t *config, *nvroot;
2067
2068 config = zpool_get_config(zhp, NULL);
2069 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2070 &nvroot) == 0);
2071
2072 if (find_vdev(nvroot, cbp->cb_guid)) {
2073 cbp->cb_zhp = zhp;
2074 return (1);
2075 }
2076
2077 zpool_close(zhp);
2078 return (0);
2079 }
2080
2081 typedef struct status_cbdata {
2082 int cb_count;
2083 int cb_name_flags;
2084 int cb_namewidth;
2085 boolean_t cb_allpools;
2086 boolean_t cb_verbose;
2087 boolean_t cb_literal;
2088 boolean_t cb_explain;
2089 boolean_t cb_first;
2090 boolean_t cb_dedup_stats;
2091 boolean_t cb_print_status;
2092 boolean_t cb_print_slow_ios;
2093 boolean_t cb_print_vdev_init;
2094 boolean_t cb_print_vdev_trim;
2095 vdev_cmd_data_list_t *vcdl;
2096 } status_cbdata_t;
2097
2098 /* Return 1 if string is NULL, empty, or whitespace; return 0 otherwise. */
2099 static boolean_t
2100 is_blank_str(const char *str)
2101 {
2102 for (; str != NULL && *str != '\0'; ++str)
2103 if (!isblank(*str))
2104 return (B_FALSE);
2105 return (B_TRUE);
2106 }
2107
2108 /* Print command output lines for specific vdev in a specific pool */
2109 static void
2110 zpool_print_cmd(vdev_cmd_data_list_t *vcdl, const char *pool, const char *path)
2111 {
2112 vdev_cmd_data_t *data;
2113 int i, j;
2114 const char *val;
2115
2116 for (i = 0; i < vcdl->count; i++) {
2117 if ((strcmp(vcdl->data[i].path, path) != 0) ||
2118 (strcmp(vcdl->data[i].pool, pool) != 0)) {
2119 /* Not the vdev we're looking for */
2120 continue;
2121 }
2122
2123 data = &vcdl->data[i];
2124 /* Print out all the output values for this vdev */
2125 for (j = 0; j < vcdl->uniq_cols_cnt; j++) {
2126 val = NULL;
2127 /* Does this vdev have values for this column? */
2128 for (int k = 0; k < data->cols_cnt; k++) {
2129 if (strcmp(data->cols[k],
2130 vcdl->uniq_cols[j]) == 0) {
2131 /* yes it does, record the value */
2132 val = data->lines[k];
2133 break;
2134 }
2135 }
2136 /*
2137 * Mark empty values with dashes to make output
2138 * awk-able.
2139 */
2140 if (val == NULL || is_blank_str(val))
2141 val = "-";
2142
2143 printf("%*s", vcdl->uniq_cols_width[j], val);
2144 if (j < vcdl->uniq_cols_cnt - 1)
2145 fputs(" ", stdout);
2146 }
2147
2148 /* Print out any values that aren't in a column at the end */
2149 for (j = data->cols_cnt; j < data->lines_cnt; j++) {
2150 /* Did we have any columns? If so print a spacer. */
2151 if (vcdl->uniq_cols_cnt > 0)
2152 fputs(" ", stdout);
2153
2154 val = data->lines[j];
2155 fputs(val ?: "", stdout);
2156 }
2157 break;
2158 }
2159 }
2160
2161 /*
2162 * Print vdev initialization status for leaves
2163 */
2164 static void
2165 print_status_initialize(vdev_stat_t *vs, boolean_t verbose)
2166 {
2167 if (verbose) {
2168 if ((vs->vs_initialize_state == VDEV_INITIALIZE_ACTIVE ||
2169 vs->vs_initialize_state == VDEV_INITIALIZE_SUSPENDED ||
2170 vs->vs_initialize_state == VDEV_INITIALIZE_COMPLETE) &&
2171 !vs->vs_scan_removing) {
2172 char zbuf[1024];
2173 char tbuf[256];
2174 struct tm zaction_ts;
2175
2176 time_t t = vs->vs_initialize_action_time;
2177 int initialize_pct = 100;
2178 if (vs->vs_initialize_state !=
2179 VDEV_INITIALIZE_COMPLETE) {
2180 initialize_pct = (vs->vs_initialize_bytes_done *
2181 100 / (vs->vs_initialize_bytes_est + 1));
2182 }
2183
2184 (void) localtime_r(&t, &zaction_ts);
2185 (void) strftime(tbuf, sizeof (tbuf), "%c", &zaction_ts);
2186
2187 switch (vs->vs_initialize_state) {
2188 case VDEV_INITIALIZE_SUSPENDED:
2189 (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
2190 gettext("suspended, started at"), tbuf);
2191 break;
2192 case VDEV_INITIALIZE_ACTIVE:
2193 (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
2194 gettext("started at"), tbuf);
2195 break;
2196 case VDEV_INITIALIZE_COMPLETE:
2197 (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
2198 gettext("completed at"), tbuf);
2199 break;
2200 }
2201
2202 (void) printf(gettext(" (%d%% initialized%s)"),
2203 initialize_pct, zbuf);
2204 } else {
2205 (void) printf(gettext(" (uninitialized)"));
2206 }
2207 } else if (vs->vs_initialize_state == VDEV_INITIALIZE_ACTIVE) {
2208 (void) printf(gettext(" (initializing)"));
2209 }
2210 }
2211
2212 /*
2213 * Print vdev TRIM status for leaves
2214 */
2215 static void
2216 print_status_trim(vdev_stat_t *vs, boolean_t verbose)
2217 {
2218 if (verbose) {
2219 if ((vs->vs_trim_state == VDEV_TRIM_ACTIVE ||
2220 vs->vs_trim_state == VDEV_TRIM_SUSPENDED ||
2221 vs->vs_trim_state == VDEV_TRIM_COMPLETE) &&
2222 !vs->vs_scan_removing) {
2223 char zbuf[1024];
2224 char tbuf[256];
2225 struct tm zaction_ts;
2226
2227 time_t t = vs->vs_trim_action_time;
2228 int trim_pct = 100;
2229 if (vs->vs_trim_state != VDEV_TRIM_COMPLETE) {
2230 trim_pct = (vs->vs_trim_bytes_done *
2231 100 / (vs->vs_trim_bytes_est + 1));
2232 }
2233
2234 (void) localtime_r(&t, &zaction_ts);
2235 (void) strftime(tbuf, sizeof (tbuf), "%c", &zaction_ts);
2236
2237 switch (vs->vs_trim_state) {
2238 case VDEV_TRIM_SUSPENDED:
2239 (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
2240 gettext("suspended, started at"), tbuf);
2241 break;
2242 case VDEV_TRIM_ACTIVE:
2243 (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
2244 gettext("started at"), tbuf);
2245 break;
2246 case VDEV_TRIM_COMPLETE:
2247 (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
2248 gettext("completed at"), tbuf);
2249 break;
2250 }
2251
2252 (void) printf(gettext(" (%d%% trimmed%s)"),
2253 trim_pct, zbuf);
2254 } else if (vs->vs_trim_notsup) {
2255 (void) printf(gettext(" (trim unsupported)"));
2256 } else {
2257 (void) printf(gettext(" (untrimmed)"));
2258 }
2259 } else if (vs->vs_trim_state == VDEV_TRIM_ACTIVE) {
2260 (void) printf(gettext(" (trimming)"));
2261 }
2262 }
2263
2264 /*
2265 * Return the color associated with a health string. This includes returning
2266 * NULL for no color change.
2267 */
2268 static const char *
2269 health_str_to_color(const char *health)
2270 {
2271 if (strcmp(health, gettext("FAULTED")) == 0 ||
2272 strcmp(health, gettext("SUSPENDED")) == 0 ||
2273 strcmp(health, gettext("UNAVAIL")) == 0) {
2274 return (ANSI_RED);
2275 }
2276
2277 if (strcmp(health, gettext("OFFLINE")) == 0 ||
2278 strcmp(health, gettext("DEGRADED")) == 0 ||
2279 strcmp(health, gettext("REMOVED")) == 0) {
2280 return (ANSI_YELLOW);
2281 }
2282
2283 return (NULL);
2284 }
2285
2286 /*
2287 * Print out configuration state as requested by status_callback.
2288 */
2289 static void
2290 print_status_config(zpool_handle_t *zhp, status_cbdata_t *cb, const char *name,
2291 nvlist_t *nv, int depth, boolean_t isspare, vdev_rebuild_stat_t *vrs)
2292 {
2293 nvlist_t **child, *root;
2294 uint_t c, i, vsc, children;
2295 pool_scan_stat_t *ps = NULL;
2296 vdev_stat_t *vs;
2297 char rbuf[6], wbuf[6], cbuf[6];
2298 char *vname;
2299 uint64_t notpresent;
2300 spare_cbdata_t spare_cb;
2301 const char *state;
2302 const char *type;
2303 const char *path = NULL;
2304 const char *rcolor = NULL, *wcolor = NULL, *ccolor = NULL;
2305
2306 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
2307 &child, &children) != 0)
2308 children = 0;
2309
2310 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
2311 (uint64_t **)&vs, &vsc) == 0);
2312
2313 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
2314
2315 if (strcmp(type, VDEV_TYPE_INDIRECT) == 0)
2316 return;
2317
2318 state = zpool_state_to_name(vs->vs_state, vs->vs_aux);
2319
2320 if (isspare) {
2321 /*
2322 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for
2323 * online drives.
2324 */
2325 if (vs->vs_aux == VDEV_AUX_SPARED)
2326 state = gettext("INUSE");
2327 else if (vs->vs_state == VDEV_STATE_HEALTHY)
2328 state = gettext("AVAIL");
2329 }
2330
2331 printf_color(health_str_to_color(state),
2332 "\t%*s%-*s %-8s", depth, "", cb->cb_namewidth - depth,
2333 name, state);
2334
2335 if (!isspare) {
2336 if (vs->vs_read_errors)
2337 rcolor = ANSI_RED;
2338
2339 if (vs->vs_write_errors)
2340 wcolor = ANSI_RED;
2341
2342 if (vs->vs_checksum_errors)
2343 ccolor = ANSI_RED;
2344
2345 if (cb->cb_literal) {
2346 fputc(' ', stdout);
2347 printf_color(rcolor, "%5llu",
2348 (u_longlong_t)vs->vs_read_errors);
2349 fputc(' ', stdout);
2350 printf_color(wcolor, "%5llu",
2351 (u_longlong_t)vs->vs_write_errors);
2352 fputc(' ', stdout);
2353 printf_color(ccolor, "%5llu",
2354 (u_longlong_t)vs->vs_checksum_errors);
2355 } else {
2356 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf));
2357 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf));
2358 zfs_nicenum(vs->vs_checksum_errors, cbuf,
2359 sizeof (cbuf));
2360 fputc(' ', stdout);
2361 printf_color(rcolor, "%5s", rbuf);
2362 fputc(' ', stdout);
2363 printf_color(wcolor, "%5s", wbuf);
2364 fputc(' ', stdout);
2365 printf_color(ccolor, "%5s", cbuf);
2366 }
2367 if (cb->cb_print_slow_ios) {
2368 if (children == 0) {
2369 /* Only leafs vdevs have slow IOs */
2370 zfs_nicenum(vs->vs_slow_ios, rbuf,
2371 sizeof (rbuf));
2372 } else {
2373 snprintf(rbuf, sizeof (rbuf), "-");
2374 }
2375
2376 if (cb->cb_literal)
2377 printf(" %5llu", (u_longlong_t)vs->vs_slow_ios);
2378 else
2379 printf(" %5s", rbuf);
2380 }
2381 }
2382
2383 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
2384 &notpresent) == 0) {
2385 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0);
2386 (void) printf(" %s %s", gettext("was"), path);
2387 } else if (vs->vs_aux != 0) {
2388 (void) printf(" ");
2389 color_start(ANSI_RED);
2390 switch (vs->vs_aux) {
2391 case VDEV_AUX_OPEN_FAILED:
2392 (void) printf(gettext("cannot open"));
2393 break;
2394
2395 case VDEV_AUX_BAD_GUID_SUM:
2396 (void) printf(gettext("missing device"));
2397 break;
2398
2399 case VDEV_AUX_NO_REPLICAS:
2400 (void) printf(gettext("insufficient replicas"));
2401 break;
2402
2403 case VDEV_AUX_VERSION_NEWER:
2404 (void) printf(gettext("newer version"));
2405 break;
2406
2407 case VDEV_AUX_UNSUP_FEAT:
2408 (void) printf(gettext("unsupported feature(s)"));
2409 break;
2410
2411 case VDEV_AUX_ASHIFT_TOO_BIG:
2412 (void) printf(gettext("unsupported minimum blocksize"));
2413 break;
2414
2415 case VDEV_AUX_SPARED:
2416 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
2417 &spare_cb.cb_guid) == 0);
2418 if (zpool_iter(g_zfs, find_spare, &spare_cb) == 1) {
2419 if (strcmp(zpool_get_name(spare_cb.cb_zhp),
2420 zpool_get_name(zhp)) == 0)
2421 (void) printf(gettext("currently in "
2422 "use"));
2423 else
2424 (void) printf(gettext("in use by "
2425 "pool '%s'"),
2426 zpool_get_name(spare_cb.cb_zhp));
2427 zpool_close(spare_cb.cb_zhp);
2428 } else {
2429 (void) printf(gettext("currently in use"));
2430 }
2431 break;
2432
2433 case VDEV_AUX_ERR_EXCEEDED:
2434 (void) printf(gettext("too many errors"));
2435 break;
2436
2437 case VDEV_AUX_IO_FAILURE:
2438 (void) printf(gettext("experienced I/O failures"));
2439 break;
2440
2441 case VDEV_AUX_BAD_LOG:
2442 (void) printf(gettext("bad intent log"));
2443 break;
2444
2445 case VDEV_AUX_EXTERNAL:
2446 (void) printf(gettext("external device fault"));
2447 break;
2448
2449 case VDEV_AUX_SPLIT_POOL:
2450 (void) printf(gettext("split into new pool"));
2451 break;
2452
2453 case VDEV_AUX_ACTIVE:
2454 (void) printf(gettext("currently in use"));
2455 break;
2456
2457 case VDEV_AUX_CHILDREN_OFFLINE:
2458 (void) printf(gettext("all children offline"));
2459 break;
2460
2461 case VDEV_AUX_BAD_LABEL:
2462 (void) printf(gettext("invalid label"));
2463 break;
2464
2465 default:
2466 (void) printf(gettext("corrupted data"));
2467 break;
2468 }
2469 color_end();
2470 } else if (children == 0 && !isspare &&
2471 getenv("ZPOOL_STATUS_NON_NATIVE_ASHIFT_IGNORE") == NULL &&
2472 VDEV_STAT_VALID(vs_physical_ashift, vsc) &&
2473 vs->vs_configured_ashift < vs->vs_physical_ashift) {
2474 (void) printf(
2475 gettext(" block size: %dB configured, %dB native"),
2476 1 << vs->vs_configured_ashift, 1 << vs->vs_physical_ashift);
2477 }
2478
2479 if (vs->vs_scan_removing != 0) {
2480 (void) printf(gettext(" (removing)"));
2481 } else if (VDEV_STAT_VALID(vs_noalloc, vsc) && vs->vs_noalloc != 0) {
2482 (void) printf(gettext(" (non-allocating)"));
2483 }
2484
2485 /* The root vdev has the scrub/resilver stats */
2486 root = fnvlist_lookup_nvlist(zpool_get_config(zhp, NULL),
2487 ZPOOL_CONFIG_VDEV_TREE);
2488 (void) nvlist_lookup_uint64_array(root, ZPOOL_CONFIG_SCAN_STATS,
2489 (uint64_t **)&ps, &c);
2490
2491 /*
2492 * If you force fault a drive that's resilvering, its scan stats can
2493 * get frozen in time, giving the false impression that it's
2494 * being resilvered. That's why we check the state to see if the vdev
2495 * is healthy before reporting "resilvering" or "repairing".
2496 */
2497 if (ps != NULL && ps->pss_state == DSS_SCANNING && children == 0 &&
2498 vs->vs_state == VDEV_STATE_HEALTHY) {
2499 if (vs->vs_scan_processed != 0) {
2500 (void) printf(gettext(" (%s)"),
2501 (ps->pss_func == POOL_SCAN_RESILVER) ?
2502 "resilvering" : "repairing");
2503 } else if (vs->vs_resilver_deferred) {
2504 (void) printf(gettext(" (awaiting resilver)"));
2505 }
2506 }
2507
2508 /* The top-level vdevs have the rebuild stats */
2509 if (vrs != NULL && vrs->vrs_state == VDEV_REBUILD_ACTIVE &&
2510 children == 0 && vs->vs_state == VDEV_STATE_HEALTHY) {
2511 if (vs->vs_rebuild_processed != 0) {
2512 (void) printf(gettext(" (resilvering)"));
2513 }
2514 }
2515
2516 if (cb->vcdl != NULL) {
2517 if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
2518 printf(" ");
2519 zpool_print_cmd(cb->vcdl, zpool_get_name(zhp), path);
2520 }
2521 }
2522
2523 /* Display vdev initialization and trim status for leaves. */
2524 if (children == 0) {
2525 print_status_initialize(vs, cb->cb_print_vdev_init);
2526 print_status_trim(vs, cb->cb_print_vdev_trim);
2527 }
2528
2529 (void) printf("\n");
2530
2531 for (c = 0; c < children; c++) {
2532 uint64_t islog = B_FALSE, ishole = B_FALSE;
2533
2534 /* Don't print logs or holes here */
2535 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
2536 &islog);
2537 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE,
2538 &ishole);
2539 if (islog || ishole)
2540 continue;
2541 /* Only print normal classes here */
2542 if (nvlist_exists(child[c], ZPOOL_CONFIG_ALLOCATION_BIAS))
2543 continue;
2544
2545 /* Provide vdev_rebuild_stats to children if available */
2546 if (vrs == NULL) {
2547 (void) nvlist_lookup_uint64_array(nv,
2548 ZPOOL_CONFIG_REBUILD_STATS,
2549 (uint64_t **)&vrs, &i);
2550 }
2551
2552 vname = zpool_vdev_name(g_zfs, zhp, child[c],
2553 cb->cb_name_flags | VDEV_NAME_TYPE_ID);
2554 print_status_config(zhp, cb, vname, child[c], depth + 2,
2555 isspare, vrs);
2556 free(vname);
2557 }
2558 }
2559
2560 /*
2561 * Print the configuration of an exported pool. Iterate over all vdevs in the
2562 * pool, printing out the name and status for each one.
2563 */
2564 static void
2565 print_import_config(status_cbdata_t *cb, const char *name, nvlist_t *nv,
2566 int depth)
2567 {
2568 nvlist_t **child;
2569 uint_t c, children;
2570 vdev_stat_t *vs;
2571 const char *type;
2572 char *vname;
2573
2574 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
2575 if (strcmp(type, VDEV_TYPE_MISSING) == 0 ||
2576 strcmp(type, VDEV_TYPE_HOLE) == 0)
2577 return;
2578
2579 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
2580 (uint64_t **)&vs, &c) == 0);
2581
2582 (void) printf("\t%*s%-*s", depth, "", cb->cb_namewidth - depth, name);
2583 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux));
2584
2585 if (vs->vs_aux != 0) {
2586 (void) printf(" ");
2587
2588 switch (vs->vs_aux) {
2589 case VDEV_AUX_OPEN_FAILED:
2590 (void) printf(gettext("cannot open"));
2591 break;
2592
2593 case VDEV_AUX_BAD_GUID_SUM:
2594 (void) printf(gettext("missing device"));
2595 break;
2596
2597 case VDEV_AUX_NO_REPLICAS:
2598 (void) printf(gettext("insufficient replicas"));
2599 break;
2600
2601 case VDEV_AUX_VERSION_NEWER:
2602 (void) printf(gettext("newer version"));
2603 break;
2604
2605 case VDEV_AUX_UNSUP_FEAT:
2606 (void) printf(gettext("unsupported feature(s)"));
2607 break;
2608
2609 case VDEV_AUX_ERR_EXCEEDED:
2610 (void) printf(gettext("too many errors"));
2611 break;
2612
2613 case VDEV_AUX_ACTIVE:
2614 (void) printf(gettext("currently in use"));
2615 break;
2616
2617 case VDEV_AUX_CHILDREN_OFFLINE:
2618 (void) printf(gettext("all children offline"));
2619 break;
2620
2621 case VDEV_AUX_BAD_LABEL:
2622 (void) printf(gettext("invalid label"));
2623 break;
2624
2625 default:
2626 (void) printf(gettext("corrupted data"));
2627 break;
2628 }
2629 }
2630 (void) printf("\n");
2631
2632 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
2633 &child, &children) != 0)
2634 return;
2635
2636 for (c = 0; c < children; c++) {
2637 uint64_t is_log = B_FALSE;
2638
2639 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
2640 &is_log);
2641 if (is_log)
2642 continue;
2643 if (nvlist_exists(child[c], ZPOOL_CONFIG_ALLOCATION_BIAS))
2644 continue;
2645
2646 vname = zpool_vdev_name(g_zfs, NULL, child[c],
2647 cb->cb_name_flags | VDEV_NAME_TYPE_ID);
2648 print_import_config(cb, vname, child[c], depth + 2);
2649 free(vname);
2650 }
2651
2652 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
2653 &child, &children) == 0) {
2654 (void) printf(gettext("\tcache\n"));
2655 for (c = 0; c < children; c++) {
2656 vname = zpool_vdev_name(g_zfs, NULL, child[c],
2657 cb->cb_name_flags);
2658 (void) printf("\t %s\n", vname);
2659 free(vname);
2660 }
2661 }
2662
2663 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
2664 &child, &children) == 0) {
2665 (void) printf(gettext("\tspares\n"));
2666 for (c = 0; c < children; c++) {
2667 vname = zpool_vdev_name(g_zfs, NULL, child[c],
2668 cb->cb_name_flags);
2669 (void) printf("\t %s\n", vname);
2670 free(vname);
2671 }
2672 }
2673 }
2674
2675 /*
2676 * Print specialized class vdevs.
2677 *
2678 * These are recorded as top level vdevs in the main pool child array
2679 * but with "is_log" set to 1 or an "alloc_bias" string. We use either
2680 * print_status_config() or print_import_config() to print the top level
2681 * class vdevs then any of their children (eg mirrored slogs) are printed
2682 * recursively - which works because only the top level vdev is marked.
2683 */
2684 static void
2685 print_class_vdevs(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t *nv,
2686 const char *class)
2687 {
2688 uint_t c, children;
2689 nvlist_t **child;
2690 boolean_t printed = B_FALSE;
2691
2692 assert(zhp != NULL || !cb->cb_verbose);
2693
2694 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child,
2695 &children) != 0)
2696 return;
2697
2698 for (c = 0; c < children; c++) {
2699 uint64_t is_log = B_FALSE;
2700 const char *bias = NULL;
2701 const char *type = NULL;
2702
2703 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
2704 &is_log);
2705
2706 if (is_log) {
2707 bias = (char *)VDEV_ALLOC_CLASS_LOGS;
2708 } else {
2709 (void) nvlist_lookup_string(child[c],
2710 ZPOOL_CONFIG_ALLOCATION_BIAS, &bias);
2711 (void) nvlist_lookup_string(child[c],
2712 ZPOOL_CONFIG_TYPE, &type);
2713 }
2714
2715 if (bias == NULL || strcmp(bias, class) != 0)
2716 continue;
2717 if (!is_log && strcmp(type, VDEV_TYPE_INDIRECT) == 0)
2718 continue;
2719
2720 if (!printed) {
2721 (void) printf("\t%s\t\n", gettext(class));
2722 printed = B_TRUE;
2723 }
2724
2725 char *name = zpool_vdev_name(g_zfs, zhp, child[c],
2726 cb->cb_name_flags | VDEV_NAME_TYPE_ID);
2727 if (cb->cb_print_status)
2728 print_status_config(zhp, cb, name, child[c], 2,
2729 B_FALSE, NULL);
2730 else
2731 print_import_config(cb, name, child[c], 2);
2732 free(name);
2733 }
2734 }
2735
2736 /*
2737 * Display the status for the given pool.
2738 */
2739 static int
2740 show_import(nvlist_t *config, boolean_t report_error)
2741 {
2742 uint64_t pool_state;
2743 vdev_stat_t *vs;
2744 const char *name;
2745 uint64_t guid;
2746 uint64_t hostid = 0;
2747 const char *msgid;
2748 const char *hostname = "unknown";
2749 nvlist_t *nvroot, *nvinfo;
2750 zpool_status_t reason;
2751 zpool_errata_t errata;
2752 const char *health;
2753 uint_t vsc;
2754 const char *comment;
2755 status_cbdata_t cb = { 0 };
2756
2757 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
2758 &name) == 0);
2759 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
2760 &guid) == 0);
2761 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
2762 &pool_state) == 0);
2763 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2764 &nvroot) == 0);
2765
2766 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
2767 (uint64_t **)&vs, &vsc) == 0);
2768 health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
2769
2770 reason = zpool_import_status(config, &msgid, &errata);
2771
2772 /*
2773 * If we're importing using a cachefile, then we won't report any
2774 * errors unless we are in the scan phase of the import.
2775 */
2776 if (reason != ZPOOL_STATUS_OK && !report_error)
2777 return (reason);
2778
2779 (void) printf(gettext(" pool: %s\n"), name);
2780 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid);
2781 (void) printf(gettext(" state: %s"), health);
2782 if (pool_state == POOL_STATE_DESTROYED)
2783 (void) printf(gettext(" (DESTROYED)"));
2784 (void) printf("\n");
2785
2786 switch (reason) {
2787 case ZPOOL_STATUS_MISSING_DEV_R:
2788 case ZPOOL_STATUS_MISSING_DEV_NR:
2789 case ZPOOL_STATUS_BAD_GUID_SUM:
2790 printf_color(ANSI_BOLD, gettext("status: "));
2791 printf_color(ANSI_YELLOW, gettext("One or more devices are "
2792 "missing from the system.\n"));
2793 break;
2794
2795 case ZPOOL_STATUS_CORRUPT_LABEL_R:
2796 case ZPOOL_STATUS_CORRUPT_LABEL_NR:
2797 printf_color(ANSI_BOLD, gettext("status: "));
2798 printf_color(ANSI_YELLOW, gettext("One or more devices contains"
2799 " corrupted data.\n"));
2800 break;
2801
2802 case ZPOOL_STATUS_CORRUPT_DATA:
2803 (void) printf(
2804 gettext(" status: The pool data is corrupted.\n"));
2805 break;
2806
2807 case ZPOOL_STATUS_OFFLINE_DEV:
2808 printf_color(ANSI_BOLD, gettext("status: "));
2809 printf_color(ANSI_YELLOW, gettext("One or more devices "
2810 "are offlined.\n"));
2811 break;
2812
2813 case ZPOOL_STATUS_CORRUPT_POOL:
2814 printf_color(ANSI_BOLD, gettext("status: "));
2815 printf_color(ANSI_YELLOW, gettext("The pool metadata is "
2816 "corrupted.\n"));
2817 break;
2818
2819 case ZPOOL_STATUS_VERSION_OLDER:
2820 printf_color(ANSI_BOLD, gettext("status: "));
2821 printf_color(ANSI_YELLOW, gettext("The pool is formatted using "
2822 "a legacy on-disk version.\n"));
2823 break;
2824
2825 case ZPOOL_STATUS_VERSION_NEWER:
2826 printf_color(ANSI_BOLD, gettext("status: "));
2827 printf_color(ANSI_YELLOW, gettext("The pool is formatted using "
2828 "an incompatible version.\n"));
2829 break;
2830
2831 case ZPOOL_STATUS_FEAT_DISABLED:
2832 printf_color(ANSI_BOLD, gettext("status: "));
2833 printf_color(ANSI_YELLOW, gettext("Some supported "
2834 "features are not enabled on the pool.\n\t"
2835 "(Note that they may be intentionally disabled "
2836 "if the\n\t'compatibility' property is set.)\n"));
2837 break;
2838
2839 case ZPOOL_STATUS_COMPATIBILITY_ERR:
2840 printf_color(ANSI_BOLD, gettext("status: "));
2841 printf_color(ANSI_YELLOW, gettext("Error reading or parsing "
2842 "the file(s) indicated by the 'compatibility'\n"
2843 "property.\n"));
2844 break;
2845
2846 case ZPOOL_STATUS_INCOMPATIBLE_FEAT:
2847 printf_color(ANSI_BOLD, gettext("status: "));
2848 printf_color(ANSI_YELLOW, gettext("One or more features "
2849 "are enabled on the pool despite not being\n"
2850 "requested by the 'compatibility' property.\n"));
2851 break;
2852
2853 case ZPOOL_STATUS_UNSUP_FEAT_READ:
2854 printf_color(ANSI_BOLD, gettext("status: "));
2855 printf_color(ANSI_YELLOW, gettext("The pool uses the following "
2856 "feature(s) not supported on this system:\n"));
2857 color_start(ANSI_YELLOW);
2858 zpool_print_unsup_feat(config);
2859 color_end();
2860 break;
2861
2862 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
2863 printf_color(ANSI_BOLD, gettext("status: "));
2864 printf_color(ANSI_YELLOW, gettext("The pool can only be "
2865 "accessed in read-only mode on this system. It\n\tcannot be"
2866 " accessed in read-write mode because it uses the "
2867 "following\n\tfeature(s) not supported on this system:\n"));
2868 color_start(ANSI_YELLOW);
2869 zpool_print_unsup_feat(config);
2870 color_end();
2871 break;
2872
2873 case ZPOOL_STATUS_HOSTID_ACTIVE:
2874 printf_color(ANSI_BOLD, gettext("status: "));
2875 printf_color(ANSI_YELLOW, gettext("The pool is currently "
2876 "imported by another system.\n"));
2877 break;
2878
2879 case ZPOOL_STATUS_HOSTID_REQUIRED:
2880 printf_color(ANSI_BOLD, gettext("status: "));
2881 printf_color(ANSI_YELLOW, gettext("The pool has the "
2882 "multihost property on. It cannot\n\tbe safely imported "
2883 "when the system hostid is not set.\n"));
2884 break;
2885
2886 case ZPOOL_STATUS_HOSTID_MISMATCH:
2887 printf_color(ANSI_BOLD, gettext("status: "));
2888 printf_color(ANSI_YELLOW, gettext("The pool was last accessed "
2889 "by another system.\n"));
2890 break;
2891
2892 case ZPOOL_STATUS_FAULTED_DEV_R:
2893 case ZPOOL_STATUS_FAULTED_DEV_NR:
2894 printf_color(ANSI_BOLD, gettext("status: "));
2895 printf_color(ANSI_YELLOW, gettext("One or more devices are "
2896 "faulted.\n"));
2897 break;
2898
2899 case ZPOOL_STATUS_BAD_LOG:
2900 printf_color(ANSI_BOLD, gettext("status: "));
2901 printf_color(ANSI_YELLOW, gettext("An intent log record cannot "
2902 "be read.\n"));
2903 break;
2904
2905 case ZPOOL_STATUS_RESILVERING:
2906 case ZPOOL_STATUS_REBUILDING:
2907 printf_color(ANSI_BOLD, gettext("status: "));
2908 printf_color(ANSI_YELLOW, gettext("One or more devices were "
2909 "being resilvered.\n"));
2910 break;
2911
2912 case ZPOOL_STATUS_ERRATA:
2913 printf_color(ANSI_BOLD, gettext("status: "));
2914 printf_color(ANSI_YELLOW, gettext("Errata #%d detected.\n"),
2915 errata);
2916 break;
2917
2918 case ZPOOL_STATUS_NON_NATIVE_ASHIFT:
2919 printf_color(ANSI_BOLD, gettext("status: "));
2920 printf_color(ANSI_YELLOW, gettext("One or more devices are "
2921 "configured to use a non-native block size.\n"
2922 "\tExpect reduced performance.\n"));
2923 break;
2924
2925 default:
2926 /*
2927 * No other status can be seen when importing pools.
2928 */
2929 assert(reason == ZPOOL_STATUS_OK);
2930 }
2931
2932 /*
2933 * Print out an action according to the overall state of the pool.
2934 */
2935 if (vs->vs_state == VDEV_STATE_HEALTHY) {
2936 if (reason == ZPOOL_STATUS_VERSION_OLDER ||
2937 reason == ZPOOL_STATUS_FEAT_DISABLED) {
2938 (void) printf(gettext(" action: The pool can be "
2939 "imported using its name or numeric identifier, "
2940 "though\n\tsome features will not be available "
2941 "without an explicit 'zpool upgrade'.\n"));
2942 } else if (reason == ZPOOL_STATUS_COMPATIBILITY_ERR) {
2943 (void) printf(gettext(" action: The pool can be "
2944 "imported using its name or numeric\n\tidentifier, "
2945 "though the file(s) indicated by its "
2946 "'compatibility'\n\tproperty cannot be parsed at "
2947 "this time.\n"));
2948 } else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) {
2949 (void) printf(gettext(" action: The pool can be "
2950 "imported using its name or numeric "
2951 "identifier and\n\tthe '-f' flag.\n"));
2952 } else if (reason == ZPOOL_STATUS_ERRATA) {
2953 switch (errata) {
2954 case ZPOOL_ERRATA_NONE:
2955 break;
2956
2957 case ZPOOL_ERRATA_ZOL_2094_SCRUB:
2958 (void) printf(gettext(" action: The pool can "
2959 "be imported using its name or numeric "
2960 "identifier,\n\thowever there is a compat"
2961 "ibility issue which should be corrected"
2962 "\n\tby running 'zpool scrub'\n"));
2963 break;
2964
2965 case ZPOOL_ERRATA_ZOL_2094_ASYNC_DESTROY:
2966 (void) printf(gettext(" action: The pool can"
2967 "not be imported with this version of ZFS "
2968 "due to\n\tan active asynchronous destroy. "
2969 "Revert to an earlier version\n\tand "
2970 "allow the destroy to complete before "
2971 "updating.\n"));
2972 break;
2973
2974 case ZPOOL_ERRATA_ZOL_6845_ENCRYPTION:
2975 (void) printf(gettext(" action: Existing "
2976 "encrypted datasets contain an on-disk "
2977 "incompatibility, which\n\tneeds to be "
2978 "corrected. Backup these datasets to new "
2979 "encrypted datasets\n\tand destroy the "
2980 "old ones.\n"));
2981 break;
2982
2983 case ZPOOL_ERRATA_ZOL_8308_ENCRYPTION:
2984 (void) printf(gettext(" action: Existing "
2985 "encrypted snapshots and bookmarks contain "
2986 "an on-disk\n\tincompatibility. This may "
2987 "cause on-disk corruption if they are used"
2988 "\n\twith 'zfs recv'. To correct the "
2989 "issue, enable the bookmark_v2 feature.\n\t"
2990 "No additional action is needed if there "
2991 "are no encrypted snapshots or\n\t"
2992 "bookmarks. If preserving the encrypted "
2993 "snapshots and bookmarks is\n\trequired, "
2994 "use a non-raw send to backup and restore "
2995 "them. Alternately,\n\tthey may be removed"
2996 " to resolve the incompatibility.\n"));
2997 break;
2998 default:
2999 /*
3000 * All errata must contain an action message.
3001 */
3002 assert(0);
3003 }
3004 } else {
3005 (void) printf(gettext(" action: The pool can be "
3006 "imported using its name or numeric "
3007 "identifier.\n"));
3008 }
3009 } else if (vs->vs_state == VDEV_STATE_DEGRADED) {
3010 (void) printf(gettext(" action: The pool can be imported "
3011 "despite missing or damaged devices. The\n\tfault "
3012 "tolerance of the pool may be compromised if imported.\n"));
3013 } else {
3014 switch (reason) {
3015 case ZPOOL_STATUS_VERSION_NEWER:
3016 (void) printf(gettext(" action: The pool cannot be "
3017 "imported. Access the pool on a system running "
3018 "newer\n\tsoftware, or recreate the pool from "
3019 "backup.\n"));
3020 break;
3021 case ZPOOL_STATUS_UNSUP_FEAT_READ:
3022 printf_color(ANSI_BOLD, gettext("action: "));
3023 printf_color(ANSI_YELLOW, gettext("The pool cannot be "
3024 "imported. Access the pool on a system that "
3025 "supports\n\tthe required feature(s), or recreate "
3026 "the pool from backup.\n"));
3027 break;
3028 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
3029 printf_color(ANSI_BOLD, gettext("action: "));
3030 printf_color(ANSI_YELLOW, gettext("The pool cannot be "
3031 "imported in read-write mode. Import the pool "
3032 "with\n"
3033 "\t\"-o readonly=on\", access the pool on a system "
3034 "that supports the\n\trequired feature(s), or "
3035 "recreate the pool from backup.\n"));
3036 break;
3037 case ZPOOL_STATUS_MISSING_DEV_R:
3038 case ZPOOL_STATUS_MISSING_DEV_NR:
3039 case ZPOOL_STATUS_BAD_GUID_SUM:
3040 (void) printf(gettext(" action: The pool cannot be "
3041 "imported. Attach the missing\n\tdevices and try "
3042 "again.\n"));
3043 break;
3044 case ZPOOL_STATUS_HOSTID_ACTIVE:
3045 VERIFY0(nvlist_lookup_nvlist(config,
3046 ZPOOL_CONFIG_LOAD_INFO, &nvinfo));
3047
3048 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTNAME))
3049 hostname = fnvlist_lookup_string(nvinfo,
3050 ZPOOL_CONFIG_MMP_HOSTNAME);
3051
3052 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTID))
3053 hostid = fnvlist_lookup_uint64(nvinfo,
3054 ZPOOL_CONFIG_MMP_HOSTID);
3055
3056 (void) printf(gettext(" action: The pool must be "
3057 "exported from %s (hostid=%"PRIx64")\n\tbefore it "
3058 "can be safely imported.\n"), hostname, hostid);
3059 break;
3060 case ZPOOL_STATUS_HOSTID_REQUIRED:
3061 (void) printf(gettext(" action: Set a unique system "
3062 "hostid with the zgenhostid(8) command.\n"));
3063 break;
3064 default:
3065 (void) printf(gettext(" action: The pool cannot be "
3066 "imported due to damaged devices or data.\n"));
3067 }
3068 }
3069
3070 /* Print the comment attached to the pool. */
3071 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0)
3072 (void) printf(gettext("comment: %s\n"), comment);
3073
3074 /*
3075 * If the state is "closed" or "can't open", and the aux state
3076 * is "corrupt data":
3077 */
3078 if (((vs->vs_state == VDEV_STATE_CLOSED) ||
3079 (vs->vs_state == VDEV_STATE_CANT_OPEN)) &&
3080 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) {
3081 if (pool_state == POOL_STATE_DESTROYED)
3082 (void) printf(gettext("\tThe pool was destroyed, "
3083 "but can be imported using the '-Df' flags.\n"));
3084 else if (pool_state != POOL_STATE_EXPORTED)
3085 (void) printf(gettext("\tThe pool may be active on "
3086 "another system, but can be imported using\n\t"
3087 "the '-f' flag.\n"));
3088 }
3089
3090 if (msgid != NULL) {
3091 (void) printf(gettext(
3092 " see: https://openzfs.github.io/openzfs-docs/msg/%s\n"),
3093 msgid);
3094 }
3095
3096 (void) printf(gettext(" config:\n\n"));
3097
3098 cb.cb_namewidth = max_width(NULL, nvroot, 0, strlen(name),
3099 VDEV_NAME_TYPE_ID);
3100 if (cb.cb_namewidth < 10)
3101 cb.cb_namewidth = 10;
3102
3103 print_import_config(&cb, name, nvroot, 0);
3104
3105 print_class_vdevs(NULL, &cb, nvroot, VDEV_ALLOC_BIAS_DEDUP);
3106 print_class_vdevs(NULL, &cb, nvroot, VDEV_ALLOC_BIAS_SPECIAL);
3107 print_class_vdevs(NULL, &cb, nvroot, VDEV_ALLOC_CLASS_LOGS);
3108
3109 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) {
3110 (void) printf(gettext("\n\tAdditional devices are known to "
3111 "be part of this pool, though their\n\texact "
3112 "configuration cannot be determined.\n"));
3113 }
3114 return (0);
3115 }
3116
3117 static boolean_t
3118 zfs_force_import_required(nvlist_t *config)
3119 {
3120 uint64_t state;
3121 uint64_t hostid = 0;
3122 nvlist_t *nvinfo;
3123
3124 state = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE);
3125 nvinfo = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO);
3126
3127 /*
3128 * The hostid on LOAD_INFO comes from the MOS label via
3129 * spa_tryimport(). If its not there then we're likely talking to an
3130 * older kernel, so use the top one, which will be from the label
3131 * discovered in zpool_find_import(), or if a cachefile is in use, the
3132 * local hostid.
3133 */
3134 if (nvlist_lookup_uint64(nvinfo, ZPOOL_CONFIG_HOSTID, &hostid) != 0)
3135 nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, &hostid);
3136
3137 if (state != POOL_STATE_EXPORTED && hostid != get_system_hostid())
3138 return (B_TRUE);
3139
3140 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_STATE)) {
3141 mmp_state_t mmp_state = fnvlist_lookup_uint64(nvinfo,
3142 ZPOOL_CONFIG_MMP_STATE);
3143
3144 if (mmp_state != MMP_STATE_INACTIVE)
3145 return (B_TRUE);
3146 }
3147
3148 return (B_FALSE);
3149 }
3150
3151 /*
3152 * Perform the import for the given configuration. This passes the heavy
3153 * lifting off to zpool_import_props(), and then mounts the datasets contained
3154 * within the pool.
3155 */
3156 static int
3157 do_import(nvlist_t *config, const char *newname, const char *mntopts,
3158 nvlist_t *props, int flags)
3159 {
3160 int ret = 0;
3161 int ms_status = 0;
3162 zpool_handle_t *zhp;
3163 const char *name;
3164 uint64_t version;
3165
3166 name = fnvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME);
3167 version = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION);
3168
3169 if (!SPA_VERSION_IS_SUPPORTED(version)) {
3170 (void) fprintf(stderr, gettext("cannot import '%s': pool "
3171 "is formatted using an unsupported ZFS version\n"), name);
3172 return (1);
3173 } else if (zfs_force_import_required(config) &&
3174 !(flags & ZFS_IMPORT_ANY_HOST)) {
3175 mmp_state_t mmp_state = MMP_STATE_INACTIVE;
3176 nvlist_t *nvinfo;
3177
3178 nvinfo = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO);
3179 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_STATE))
3180 mmp_state = fnvlist_lookup_uint64(nvinfo,
3181 ZPOOL_CONFIG_MMP_STATE);
3182
3183 if (mmp_state == MMP_STATE_ACTIVE) {
3184 const char *hostname = "<unknown>";
3185 uint64_t hostid = 0;
3186
3187 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTNAME))
3188 hostname = fnvlist_lookup_string(nvinfo,
3189 ZPOOL_CONFIG_MMP_HOSTNAME);
3190
3191 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTID))
3192 hostid = fnvlist_lookup_uint64(nvinfo,
3193 ZPOOL_CONFIG_MMP_HOSTID);
3194
3195 (void) fprintf(stderr, gettext("cannot import '%s': "
3196 "pool is imported on %s (hostid: "
3197 "0x%"PRIx64")\nExport the pool on the other "
3198 "system, then run 'zpool import'.\n"),
3199 name, hostname, hostid);
3200 } else if (mmp_state == MMP_STATE_NO_HOSTID) {
3201 (void) fprintf(stderr, gettext("Cannot import '%s': "
3202 "pool has the multihost property on and the\n"
3203 "system's hostid is not set. Set a unique hostid "
3204 "with the zgenhostid(8) command.\n"), name);
3205 } else {
3206 const char *hostname = "<unknown>";
3207 time_t timestamp = 0;
3208 uint64_t hostid = 0;
3209
3210 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_HOSTNAME))
3211 hostname = fnvlist_lookup_string(nvinfo,
3212 ZPOOL_CONFIG_HOSTNAME);
3213 else if (nvlist_exists(config, ZPOOL_CONFIG_HOSTNAME))
3214 hostname = fnvlist_lookup_string(config,
3215 ZPOOL_CONFIG_HOSTNAME);
3216
3217 if (nvlist_exists(config, ZPOOL_CONFIG_TIMESTAMP))
3218 timestamp = fnvlist_lookup_uint64(config,
3219 ZPOOL_CONFIG_TIMESTAMP);
3220
3221 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_HOSTID))
3222 hostid = fnvlist_lookup_uint64(nvinfo,
3223 ZPOOL_CONFIG_HOSTID);
3224 else if (nvlist_exists(config, ZPOOL_CONFIG_HOSTID))
3225 hostid = fnvlist_lookup_uint64(config,
3226 ZPOOL_CONFIG_HOSTID);
3227
3228 (void) fprintf(stderr, gettext("cannot import '%s': "
3229 "pool was previously in use from another system.\n"
3230 "Last accessed by %s (hostid=%"PRIx64") at %s"
3231 "The pool can be imported, use 'zpool import -f' "
3232 "to import the pool.\n"), name, hostname,
3233 hostid, ctime(&timestamp));
3234 }
3235
3236 return (1);
3237 }
3238
3239 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0)
3240 return (1);
3241
3242 if (newname != NULL)
3243 name = newname;
3244
3245 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL)
3246 return (1);
3247
3248 /*
3249 * Loading keys is best effort. We don't want to return immediately
3250 * if it fails but we do want to give the error to the caller.
3251 */
3252 if (flags & ZFS_IMPORT_LOAD_KEYS &&
3253 zfs_crypto_attempt_load_keys(g_zfs, name) != 0)
3254 ret = 1;
3255
3256 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
3257 !(flags & ZFS_IMPORT_ONLY)) {
3258 ms_status = zpool_enable_datasets(zhp, mntopts, 0);
3259 if (ms_status == EZFS_SHAREFAILED) {
3260 (void) fprintf(stderr, gettext("Import was "
3261 "successful, but unable to share some datasets"));
3262 } else if (ms_status == EZFS_MOUNTFAILED) {
3263 (void) fprintf(stderr, gettext("Import was "
3264 "successful, but unable to mount some datasets"));
3265 }
3266 }
3267
3268 zpool_close(zhp);
3269 return (ret);
3270 }
3271
3272 static int
3273 import_pools(nvlist_t *pools, nvlist_t *props, char *mntopts, int flags,
3274 char *orig_name, char *new_name,
3275 boolean_t do_destroyed, boolean_t pool_specified, boolean_t do_all,
3276 importargs_t *import)
3277 {
3278 nvlist_t *config = NULL;
3279 nvlist_t *found_config = NULL;
3280 uint64_t pool_state;
3281
3282 /*
3283 * At this point we have a list of import candidate configs. Even if
3284 * we were searching by pool name or guid, we still need to
3285 * post-process the list to deal with pool state and possible
3286 * duplicate names.
3287 */
3288 int err = 0;
3289 nvpair_t *elem = NULL;
3290 boolean_t first = B_TRUE;
3291 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
3292
3293 verify(nvpair_value_nvlist(elem, &config) == 0);
3294
3295 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
3296 &pool_state) == 0);
3297 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED)
3298 continue;
3299 if (do_destroyed && pool_state != POOL_STATE_DESTROYED)
3300 continue;
3301
3302 verify(nvlist_add_nvlist(config, ZPOOL_LOAD_POLICY,
3303 import->policy) == 0);
3304
3305 if (!pool_specified) {
3306 if (first)
3307 first = B_FALSE;
3308 else if (!do_all)
3309 (void) fputc('\n', stdout);
3310
3311 if (do_all) {
3312 err |= do_import(config, NULL, mntopts,
3313 props, flags);
3314 } else {
3315 /*
3316 * If we're importing from cachefile, then
3317 * we don't want to report errors until we
3318 * are in the scan phase of the import. If
3319 * we get an error, then we return that error
3320 * to invoke the scan phase.
3321 */
3322 if (import->cachefile && !import->scan)
3323 err = show_import(config, B_FALSE);
3324 else
3325 (void) show_import(config, B_TRUE);
3326 }
3327 } else if (import->poolname != NULL) {
3328 const char *name;
3329
3330 /*
3331 * We are searching for a pool based on name.
3332 */
3333 verify(nvlist_lookup_string(config,
3334 ZPOOL_CONFIG_POOL_NAME, &name) == 0);
3335
3336 if (strcmp(name, import->poolname) == 0) {
3337 if (found_config != NULL) {
3338 (void) fprintf(stderr, gettext(
3339 "cannot import '%s': more than "
3340 "one matching pool\n"),
3341 import->poolname);
3342 (void) fprintf(stderr, gettext(
3343 "import by numeric ID instead\n"));
3344 err = B_TRUE;
3345 }
3346 found_config = config;
3347 }
3348 } else {
3349 uint64_t guid;
3350
3351 /*
3352 * Search for a pool by guid.
3353 */
3354 verify(nvlist_lookup_uint64(config,
3355 ZPOOL_CONFIG_POOL_GUID, &guid) == 0);
3356
3357 if (guid == import->guid)
3358 found_config = config;
3359 }
3360 }
3361
3362 /*
3363 * If we were searching for a specific pool, verify that we found a
3364 * pool, and then do the import.
3365 */
3366 if (pool_specified && err == 0) {
3367 if (found_config == NULL) {
3368 (void) fprintf(stderr, gettext("cannot import '%s': "
3369 "no such pool available\n"), orig_name);
3370 err = B_TRUE;
3371 } else {
3372 err |= do_import(found_config, new_name,
3373 mntopts, props, flags);
3374 }
3375 }
3376
3377 /*
3378 * If we were just looking for pools, report an error if none were
3379 * found.
3380 */
3381 if (!pool_specified && first)
3382 (void) fprintf(stderr,
3383 gettext("no pools available to import\n"));
3384 return (err);
3385 }
3386
3387 typedef struct target_exists_args {
3388 const char *poolname;
3389 uint64_t poolguid;
3390 } target_exists_args_t;
3391
3392 static int
3393 name_or_guid_exists(zpool_handle_t *zhp, void *data)
3394 {
3395 target_exists_args_t *args = data;
3396 nvlist_t *config = zpool_get_config(zhp, NULL);
3397 int found = 0;
3398
3399 if (config == NULL)
3400 return (0);
3401
3402 if (args->poolname != NULL) {
3403 const char *pool_name;
3404
3405 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
3406 &pool_name) == 0);
3407 if (strcmp(pool_name, args->poolname) == 0)
3408 found = 1;
3409 } else {
3410 uint64_t pool_guid;
3411
3412 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
3413 &pool_guid) == 0);
3414 if (pool_guid == args->poolguid)
3415 found = 1;
3416 }
3417 zpool_close(zhp);
3418
3419 return (found);
3420 }
3421 /*
3422 * zpool checkpoint <pool>
3423 * checkpoint --discard <pool>
3424 *
3425 * -d Discard the checkpoint from a checkpointed
3426 * --discard pool.
3427 *
3428 * -w Wait for discarding a checkpoint to complete.
3429 * --wait
3430 *
3431 * Checkpoints the specified pool, by taking a "snapshot" of its
3432 * current state. A pool can only have one checkpoint at a time.
3433 */
3434 int
3435 zpool_do_checkpoint(int argc, char **argv)
3436 {
3437 boolean_t discard, wait;
3438 char *pool;
3439 zpool_handle_t *zhp;
3440 int c, err;
3441
3442 struct option long_options[] = {
3443 {"discard", no_argument, NULL, 'd'},
3444 {"wait", no_argument, NULL, 'w'},
3445 {0, 0, 0, 0}
3446 };
3447
3448 discard = B_FALSE;
3449 wait = B_FALSE;
3450 while ((c = getopt_long(argc, argv, ":dw", long_options, NULL)) != -1) {
3451 switch (c) {
3452 case 'd':
3453 discard = B_TRUE;
3454 break;
3455 case 'w':
3456 wait = B_TRUE;
3457 break;
3458 case '?':
3459 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3460 optopt);
3461 usage(B_FALSE);
3462 }
3463 }
3464
3465 if (wait && !discard) {
3466 (void) fprintf(stderr, gettext("--wait only valid when "
3467 "--discard also specified\n"));
3468 usage(B_FALSE);
3469 }
3470
3471 argc -= optind;
3472 argv += optind;
3473
3474 if (argc < 1) {
3475 (void) fprintf(stderr, gettext("missing pool argument\n"));
3476 usage(B_FALSE);
3477 }
3478
3479 if (argc > 1) {
3480 (void) fprintf(stderr, gettext("too many arguments\n"));
3481 usage(B_FALSE);
3482 }
3483
3484 pool = argv[0];
3485
3486 if ((zhp = zpool_open(g_zfs, pool)) == NULL) {
3487 /* As a special case, check for use of '/' in the name */
3488 if (strchr(pool, '/') != NULL)
3489 (void) fprintf(stderr, gettext("'zpool checkpoint' "
3490 "doesn't work on datasets. To save the state "
3491 "of a dataset from a specific point in time "
3492 "please use 'zfs snapshot'\n"));
3493 return (1);
3494 }
3495
3496 if (discard) {
3497 err = (zpool_discard_checkpoint(zhp) != 0);
3498 if (err == 0 && wait)
3499 err = zpool_wait(zhp, ZPOOL_WAIT_CKPT_DISCARD);
3500 } else {
3501 err = (zpool_checkpoint(zhp) != 0);
3502 }
3503
3504 zpool_close(zhp);
3505
3506 return (err);
3507 }
3508
3509 #define CHECKPOINT_OPT 1024
3510
3511 /*
3512 * zpool import [-d dir] [-D]
3513 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] [-l]
3514 * [-d dir | -c cachefile | -s] [-f] -a
3515 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] [-l]
3516 * [-d dir | -c cachefile | -s] [-f] [-n] [-F] <pool | id>
3517 * [newpool]
3518 *
3519 * -c Read pool information from a cachefile instead of searching
3520 * devices. If importing from a cachefile config fails, then
3521 * fallback to searching for devices only in the directories that
3522 * exist in the cachefile.
3523 *
3524 * -d Scan in a specific directory, other than /dev/. More than
3525 * one directory can be specified using multiple '-d' options.
3526 *
3527 * -D Scan for previously destroyed pools or import all or only
3528 * specified destroyed pools.
3529 *
3530 * -R Temporarily import the pool, with all mountpoints relative to
3531 * the given root. The pool will remain exported when the machine
3532 * is rebooted.
3533 *
3534 * -V Import even in the presence of faulted vdevs. This is an
3535 * intentionally undocumented option for testing purposes, and
3536 * treats the pool configuration as complete, leaving any bad
3537 * vdevs in the FAULTED state. In other words, it does verbatim
3538 * import.
3539 *
3540 * -f Force import, even if it appears that the pool is active.
3541 *
3542 * -F Attempt rewind if necessary.
3543 *
3544 * -n See if rewind would work, but don't actually rewind.
3545 *
3546 * -N Import the pool but don't mount datasets.
3547 *
3548 * -T Specify a starting txg to use for import. This option is
3549 * intentionally undocumented option for testing purposes.
3550 *
3551 * -a Import all pools found.
3552 *
3553 * -l Load encryption keys while importing.
3554 *
3555 * -o Set property=value and/or temporary mount options (without '=').
3556 *
3557 * -s Scan using the default search path, the libblkid cache will
3558 * not be consulted.
3559 *
3560 * --rewind-to-checkpoint
3561 * Import the pool and revert back to the checkpoint.
3562 *
3563 * The import command scans for pools to import, and import pools based on pool
3564 * name and GUID. The pool can also be renamed as part of the import process.
3565 */
3566 int
3567 zpool_do_import(int argc, char **argv)
3568 {
3569 char **searchdirs = NULL;
3570 char *env, *envdup = NULL;
3571 int nsearch = 0;
3572 int c;
3573 int err = 0;
3574 nvlist_t *pools = NULL;
3575 boolean_t do_all = B_FALSE;
3576 boolean_t do_destroyed = B_FALSE;
3577 char *mntopts = NULL;
3578 uint64_t searchguid = 0;
3579 char *searchname = NULL;
3580 char *propval;
3581 nvlist_t *policy = NULL;
3582 nvlist_t *props = NULL;
3583 int flags = ZFS_IMPORT_NORMAL;
3584 uint32_t rewind_policy = ZPOOL_NO_REWIND;
3585 boolean_t dryrun = B_FALSE;
3586 boolean_t do_rewind = B_FALSE;
3587 boolean_t xtreme_rewind = B_FALSE;
3588 boolean_t do_scan = B_FALSE;
3589 boolean_t pool_exists = B_FALSE;
3590 boolean_t pool_specified = B_FALSE;
3591 uint64_t txg = -1ULL;
3592 char *cachefile = NULL;
3593 importargs_t idata = { 0 };
3594 char *endptr;
3595
3596 struct option long_options[] = {
3597 {"rewind-to-checkpoint", no_argument, NULL, CHECKPOINT_OPT},
3598 {0, 0, 0, 0}
3599 };
3600
3601 /* check options */
3602 while ((c = getopt_long(argc, argv, ":aCc:d:DEfFlmnNo:R:stT:VX",
3603 long_options, NULL)) != -1) {
3604 switch (c) {
3605 case 'a':
3606 do_all = B_TRUE;
3607 break;
3608 case 'c':
3609 cachefile = optarg;
3610 break;
3611 case 'd':
3612 searchdirs = safe_realloc(searchdirs,
3613 (nsearch + 1) * sizeof (char *));
3614 searchdirs[nsearch++] = optarg;
3615 break;
3616 case 'D':
3617 do_destroyed = B_TRUE;
3618 break;
3619 case 'f':
3620 flags |= ZFS_IMPORT_ANY_HOST;
3621 break;
3622 case 'F':
3623 do_rewind = B_TRUE;
3624 break;
3625 case 'l':
3626 flags |= ZFS_IMPORT_LOAD_KEYS;
3627 break;
3628 case 'm':
3629 flags |= ZFS_IMPORT_MISSING_LOG;
3630 break;
3631 case 'n':
3632 dryrun = B_TRUE;
3633 break;
3634 case 'N':
3635 flags |= ZFS_IMPORT_ONLY;
3636 break;
3637 case 'o':
3638 if ((propval = strchr(optarg, '=')) != NULL) {
3639 *propval = '\0';
3640 propval++;
3641 if (add_prop_list(optarg, propval,
3642 &props, B_TRUE))
3643 goto error;
3644 } else {
3645 mntopts = optarg;
3646 }
3647 break;
3648 case 'R':
3649 if (add_prop_list(zpool_prop_to_name(
3650 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
3651 goto error;
3652 if (add_prop_list_default(zpool_prop_to_name(
3653 ZPOOL_PROP_CACHEFILE), "none", &props))
3654 goto error;
3655 break;
3656 case 's':
3657 do_scan = B_TRUE;
3658 break;
3659 case 't':
3660 flags |= ZFS_IMPORT_TEMP_NAME;
3661 if (add_prop_list_default(zpool_prop_to_name(
3662 ZPOOL_PROP_CACHEFILE), "none", &props))
3663 goto error;
3664 break;
3665
3666 case 'T':
3667 errno = 0;
3668 txg = strtoull(optarg, &endptr, 0);
3669 if (errno != 0 || *endptr != '\0') {
3670 (void) fprintf(stderr,
3671 gettext("invalid txg value\n"));
3672 usage(B_FALSE);
3673 }
3674 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND;
3675 break;
3676 case 'V':
3677 flags |= ZFS_IMPORT_VERBATIM;
3678 break;
3679 case 'X':
3680 xtreme_rewind = B_TRUE;
3681 break;
3682 case CHECKPOINT_OPT:
3683 flags |= ZFS_IMPORT_CHECKPOINT;
3684 break;
3685 case ':':
3686 (void) fprintf(stderr, gettext("missing argument for "
3687 "'%c' option\n"), optopt);
3688 usage(B_FALSE);
3689 break;
3690 case '?':
3691 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3692 optopt);
3693 usage(B_FALSE);
3694 }
3695 }
3696
3697 argc -= optind;
3698 argv += optind;
3699
3700 if (cachefile && nsearch != 0) {
3701 (void) fprintf(stderr, gettext("-c is incompatible with -d\n"));
3702 usage(B_FALSE);
3703 }
3704
3705 if (cachefile && do_scan) {
3706 (void) fprintf(stderr, gettext("-c is incompatible with -s\n"));
3707 usage(B_FALSE);
3708 }
3709
3710 if ((flags & ZFS_IMPORT_LOAD_KEYS) && (flags & ZFS_IMPORT_ONLY)) {
3711 (void) fprintf(stderr, gettext("-l is incompatible with -N\n"));
3712 usage(B_FALSE);
3713 }
3714
3715 if ((flags & ZFS_IMPORT_LOAD_KEYS) && !do_all && argc == 0) {
3716 (void) fprintf(stderr, gettext("-l is only meaningful during "
3717 "an import\n"));
3718 usage(B_FALSE);
3719 }
3720
3721 if ((dryrun || xtreme_rewind) && !do_rewind) {
3722 (void) fprintf(stderr,
3723 gettext("-n or -X only meaningful with -F\n"));
3724 usage(B_FALSE);
3725 }
3726 if (dryrun)
3727 rewind_policy = ZPOOL_TRY_REWIND;
3728 else if (do_rewind)
3729 rewind_policy = ZPOOL_DO_REWIND;
3730 if (xtreme_rewind)
3731 rewind_policy |= ZPOOL_EXTREME_REWIND;
3732
3733 /* In the future, we can capture further policy and include it here */
3734 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
3735 nvlist_add_uint64(policy, ZPOOL_LOAD_REQUEST_TXG, txg) != 0 ||
3736 nvlist_add_uint32(policy, ZPOOL_LOAD_REWIND_POLICY,
3737 rewind_policy) != 0)
3738 goto error;
3739
3740 /* check argument count */
3741 if (do_all) {
3742 if (argc != 0) {
3743 (void) fprintf(stderr, gettext("too many arguments\n"));
3744 usage(B_FALSE);
3745 }
3746 } else {
3747 if (argc > 2) {
3748 (void) fprintf(stderr, gettext("too many arguments\n"));
3749 usage(B_FALSE);
3750 }
3751 }
3752
3753 /*
3754 * Check for the effective uid. We do this explicitly here because
3755 * otherwise any attempt to discover pools will silently fail.
3756 */
3757 if (argc == 0 && geteuid() != 0) {
3758 (void) fprintf(stderr, gettext("cannot "
3759 "discover pools: permission denied\n"));
3760
3761 free(searchdirs);
3762 nvlist_free(props);
3763 nvlist_free(policy);
3764 return (1);
3765 }
3766
3767 /*
3768 * Depending on the arguments given, we do one of the following:
3769 *
3770 * <none> Iterate through all pools and display information about
3771 * each one.
3772 *
3773 * -a Iterate through all pools and try to import each one.
3774 *
3775 * <id> Find the pool that corresponds to the given GUID/pool
3776 * name and import that one.
3777 *
3778 * -D Above options applies only to destroyed pools.
3779 */
3780 if (argc != 0) {
3781 char *endptr;
3782
3783 errno = 0;
3784 searchguid = strtoull(argv[0], &endptr, 10);
3785 if (errno != 0 || *endptr != '\0') {
3786 searchname = argv[0];
3787 searchguid = 0;
3788 }
3789 pool_specified = B_TRUE;
3790
3791 /*
3792 * User specified a name or guid. Ensure it's unique.
3793 */
3794 target_exists_args_t search = {searchname, searchguid};
3795 pool_exists = zpool_iter(g_zfs, name_or_guid_exists, &search);
3796 }
3797
3798 /*
3799 * Check the environment for the preferred search path.
3800 */
3801 if ((searchdirs == NULL) && (env = getenv("ZPOOL_IMPORT_PATH"))) {
3802 char *dir, *tmp = NULL;
3803
3804 envdup = strdup(env);
3805
3806 for (dir = strtok_r(envdup, ":", &tmp);
3807 dir != NULL;
3808 dir = strtok_r(NULL, ":", &tmp)) {
3809 searchdirs = safe_realloc(searchdirs,
3810 (nsearch + 1) * sizeof (char *));
3811 searchdirs[nsearch++] = dir;
3812 }
3813 }
3814
3815 idata.path = searchdirs;
3816 idata.paths = nsearch;
3817 idata.poolname = searchname;
3818 idata.guid = searchguid;
3819 idata.cachefile = cachefile;
3820 idata.scan = do_scan;
3821 idata.policy = policy;
3822
3823 libpc_handle_t lpch = {
3824 .lpc_lib_handle = g_zfs,
3825 .lpc_ops = &libzfs_config_ops,
3826 .lpc_printerr = B_TRUE
3827 };
3828 pools = zpool_search_import(&lpch, &idata);
3829
3830 if (pools != NULL && pool_exists &&
3831 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) {
3832 (void) fprintf(stderr, gettext("cannot import '%s': "
3833 "a pool with that name already exists\n"),
3834 argv[0]);
3835 (void) fprintf(stderr, gettext("use the form '%s "
3836 "<pool | id> <newpool>' to give it a new name\n"),
3837 "zpool import");
3838 err = 1;
3839 } else if (pools == NULL && pool_exists) {
3840 (void) fprintf(stderr, gettext("cannot import '%s': "
3841 "a pool with that name is already created/imported,\n"),
3842 argv[0]);
3843 (void) fprintf(stderr, gettext("and no additional pools "
3844 "with that name were found\n"));
3845 err = 1;
3846 } else if (pools == NULL) {
3847 if (argc != 0) {
3848 (void) fprintf(stderr, gettext("cannot import '%s': "
3849 "no such pool available\n"), argv[0]);
3850 }
3851 err = 1;
3852 }
3853
3854 if (err == 1) {
3855 free(searchdirs);
3856 free(envdup);
3857 nvlist_free(policy);
3858 nvlist_free(pools);
3859 nvlist_free(props);
3860 return (1);
3861 }
3862
3863 err = import_pools(pools, props, mntopts, flags,
3864 argc >= 1 ? argv[0] : NULL,
3865 argc >= 2 ? argv[1] : NULL,
3866 do_destroyed, pool_specified, do_all, &idata);
3867
3868 /*
3869 * If we're using the cachefile and we failed to import, then
3870 * fallback to scanning the directory for pools that match
3871 * those in the cachefile.
3872 */
3873 if (err != 0 && cachefile != NULL) {
3874 (void) printf(gettext("cachefile import failed, retrying\n"));
3875
3876 /*
3877 * We use the scan flag to gather the directories that exist
3878 * in the cachefile. If we need to fallback to searching for
3879 * the pool config, we will only search devices in these
3880 * directories.
3881 */
3882 idata.scan = B_TRUE;
3883 nvlist_free(pools);
3884 pools = zpool_search_import(&lpch, &idata);
3885
3886 err = import_pools(pools, props, mntopts, flags,
3887 argc >= 1 ? argv[0] : NULL,
3888 argc >= 2 ? argv[1] : NULL,
3889 do_destroyed, pool_specified, do_all, &idata);
3890 }
3891
3892 error:
3893 nvlist_free(props);
3894 nvlist_free(pools);
3895 nvlist_free(policy);
3896 free(searchdirs);
3897 free(envdup);
3898
3899 return (err ? 1 : 0);
3900 }
3901
3902 /*
3903 * zpool sync [-f] [pool] ...
3904 *
3905 * -f (undocumented) force uberblock (and config including zpool cache file)
3906 * update.
3907 *
3908 * Sync the specified pool(s).
3909 * Without arguments "zpool sync" will sync all pools.
3910 * This command initiates TXG sync(s) and will return after the TXG(s) commit.
3911 *
3912 */
3913 static int
3914 zpool_do_sync(int argc, char **argv)
3915 {
3916 int ret;
3917 boolean_t force = B_FALSE;
3918
3919 /* check options */
3920 while ((ret = getopt(argc, argv, "f")) != -1) {
3921 switch (ret) {
3922 case 'f':
3923 force = B_TRUE;
3924 break;
3925 case '?':
3926 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3927 optopt);
3928 usage(B_FALSE);
3929 }
3930 }
3931
3932 argc -= optind;
3933 argv += optind;
3934
3935 /* if argc == 0 we will execute zpool_sync_one on all pools */
3936 ret = for_each_pool(argc, argv, B_FALSE, NULL, ZFS_TYPE_POOL,
3937 B_FALSE, zpool_sync_one, &force);
3938
3939 return (ret);
3940 }
3941
3942 typedef struct iostat_cbdata {
3943 uint64_t cb_flags;
3944 int cb_namewidth;
3945 int cb_iteration;
3946 boolean_t cb_verbose;
3947 boolean_t cb_literal;
3948 boolean_t cb_scripted;
3949 zpool_list_t *cb_list;
3950 vdev_cmd_data_list_t *vcdl;
3951 vdev_cbdata_t cb_vdevs;
3952 } iostat_cbdata_t;
3953
3954 /* iostat labels */
3955 typedef struct name_and_columns {
3956 const char *name; /* Column name */
3957 unsigned int columns; /* Center name to this number of columns */
3958 } name_and_columns_t;
3959
3960 #define IOSTAT_MAX_LABELS 15 /* Max number of labels on one line */
3961
3962 static const name_and_columns_t iostat_top_labels[][IOSTAT_MAX_LABELS] =
3963 {
3964 [IOS_DEFAULT] = {{"capacity", 2}, {"operations", 2}, {"bandwidth", 2},
3965 {NULL}},
3966 [IOS_LATENCY] = {{"total_wait", 2}, {"disk_wait", 2}, {"syncq_wait", 2},
3967 {"asyncq_wait", 2}, {"scrub", 1}, {"trim", 1}, {"rebuild", 1},
3968 {NULL}},
3969 [IOS_QUEUES] = {{"syncq_read", 2}, {"syncq_write", 2},
3970 {"asyncq_read", 2}, {"asyncq_write", 2}, {"scrubq_read", 2},
3971 {"trimq_write", 2}, {"rebuildq_write", 2}, {NULL}},
3972 [IOS_L_HISTO] = {{"total_wait", 2}, {"disk_wait", 2}, {"syncq_wait", 2},
3973 {"asyncq_wait", 2}, {NULL}},
3974 [IOS_RQ_HISTO] = {{"sync_read", 2}, {"sync_write", 2},
3975 {"async_read", 2}, {"async_write", 2}, {"scrub", 2},
3976 {"trim", 2}, {"rebuild", 2}, {NULL}},
3977 };
3978
3979 /* Shorthand - if "columns" field not set, default to 1 column */
3980 static const name_and_columns_t iostat_bottom_labels[][IOSTAT_MAX_LABELS] =
3981 {
3982 [IOS_DEFAULT] = {{"alloc"}, {"free"}, {"read"}, {"write"}, {"read"},
3983 {"write"}, {NULL}},
3984 [IOS_LATENCY] = {{"read"}, {"write"}, {"read"}, {"write"}, {"read"},
3985 {"write"}, {"read"}, {"write"}, {"wait"}, {"wait"}, {"wait"},
3986 {NULL}},
3987 [IOS_QUEUES] = {{"pend"}, {"activ"}, {"pend"}, {"activ"}, {"pend"},
3988 {"activ"}, {"pend"}, {"activ"}, {"pend"}, {"activ"},
3989 {"pend"}, {"activ"}, {"pend"}, {"activ"}, {NULL}},
3990 [IOS_L_HISTO] = {{"read"}, {"write"}, {"read"}, {"write"}, {"read"},
3991 {"write"}, {"read"}, {"write"}, {"scrub"}, {"trim"}, {"rebuild"},
3992 {NULL}},
3993 [IOS_RQ_HISTO] = {{"ind"}, {"agg"}, {"ind"}, {"agg"}, {"ind"}, {"agg"},
3994 {"ind"}, {"agg"}, {"ind"}, {"agg"}, {"ind"}, {"agg"},
3995 {"ind"}, {"agg"}, {NULL}},
3996 };
3997
3998 static const char *histo_to_title[] = {
3999 [IOS_L_HISTO] = "latency",
4000 [IOS_RQ_HISTO] = "req_size",
4001 };
4002
4003 /*
4004 * Return the number of labels in a null-terminated name_and_columns_t
4005 * array.
4006 *
4007 */
4008 static unsigned int
4009 label_array_len(const name_and_columns_t *labels)
4010 {
4011 int i = 0;
4012
4013 while (labels[i].name)
4014 i++;
4015
4016 return (i);
4017 }
4018
4019 /*
4020 * Return the number of strings in a null-terminated string array.
4021 * For example:
4022 *
4023 * const char foo[] = {"bar", "baz", NULL}
4024 *
4025 * returns 2
4026 */
4027 static uint64_t
4028 str_array_len(const char *array[])
4029 {
4030 uint64_t i = 0;
4031 while (array[i])
4032 i++;
4033
4034 return (i);
4035 }
4036
4037
4038 /*
4039 * Return a default column width for default/latency/queue columns. This does
4040 * not include histograms, which have their columns autosized.
4041 */
4042 static unsigned int
4043 default_column_width(iostat_cbdata_t *cb, enum iostat_type type)
4044 {
4045 unsigned long column_width = 5; /* Normal niceprint */
4046 static unsigned long widths[] = {
4047 /*
4048 * Choose some sane default column sizes for printing the
4049 * raw numbers.
4050 */
4051 [IOS_DEFAULT] = 15, /* 1PB capacity */
4052 [IOS_LATENCY] = 10, /* 1B ns = 10sec */
4053 [IOS_QUEUES] = 6, /* 1M queue entries */
4054 [IOS_L_HISTO] = 10, /* 1B ns = 10sec */
4055 [IOS_RQ_HISTO] = 6, /* 1M queue entries */
4056 };
4057
4058 if (cb->cb_literal)
4059 column_width = widths[type];
4060
4061 return (column_width);
4062 }
4063
4064 /*
4065 * Print the column labels, i.e:
4066 *
4067 * capacity operations bandwidth
4068 * alloc free read write read write ...
4069 *
4070 * If force_column_width is set, use it for the column width. If not set, use
4071 * the default column width.
4072 */
4073 static void
4074 print_iostat_labels(iostat_cbdata_t *cb, unsigned int force_column_width,
4075 const name_and_columns_t labels[][IOSTAT_MAX_LABELS])
4076 {
4077 int i, idx, s;
4078 int text_start, rw_column_width, spaces_to_end;
4079 uint64_t flags = cb->cb_flags;
4080 uint64_t f;
4081 unsigned int column_width = force_column_width;
4082
4083 /* For each bit set in flags */
4084 for (f = flags; f; f &= ~(1ULL << idx)) {
4085 idx = lowbit64(f) - 1;
4086 if (!force_column_width)
4087 column_width = default_column_width(cb, idx);
4088 /* Print our top labels centered over "read write" label. */
4089 for (i = 0; i < label_array_len(labels[idx]); i++) {
4090 const char *name = labels[idx][i].name;
4091 /*
4092 * We treat labels[][].columns == 0 as shorthand
4093 * for one column. It makes writing out the label
4094 * tables more concise.
4095 */
4096 unsigned int columns = MAX(1, labels[idx][i].columns);
4097 unsigned int slen = strlen(name);
4098
4099 rw_column_width = (column_width * columns) +
4100 (2 * (columns - 1));
4101
4102 text_start = (int)((rw_column_width) / columns -
4103 slen / columns);
4104 if (text_start < 0)
4105 text_start = 0;
4106
4107 printf(" "); /* Two spaces between columns */
4108
4109 /* Space from beginning of column to label */
4110 for (s = 0; s < text_start; s++)
4111 printf(" ");
4112
4113 printf("%s", name);
4114
4115 /* Print space after label to end of column */
4116 spaces_to_end = rw_column_width - text_start - slen;
4117 if (spaces_to_end < 0)
4118 spaces_to_end = 0;
4119
4120 for (s = 0; s < spaces_to_end; s++)
4121 printf(" ");
4122 }
4123 }
4124 }
4125
4126
4127 /*
4128 * print_cmd_columns - Print custom column titles from -c
4129 *
4130 * If the user specified the "zpool status|iostat -c" then print their custom
4131 * column titles in the header. For example, print_cmd_columns() would print
4132 * the " col1 col2" part of this:
4133 *
4134 * $ zpool iostat -vc 'echo col1=val1; echo col2=val2'
4135 * ...
4136 * capacity operations bandwidth
4137 * pool alloc free read write read write col1 col2
4138 * ---------- ----- ----- ----- ----- ----- ----- ---- ----
4139 * mypool 269K 1008M 0 0 107 946
4140 * mirror 269K 1008M 0 0 107 946
4141 * sdb - - 0 0 102 473 val1 val2
4142 * sdc - - 0 0 5 473 val1 val2
4143 * ---------- ----- ----- ----- ----- ----- ----- ---- ----
4144 */
4145 static void
4146 print_cmd_columns(vdev_cmd_data_list_t *vcdl, int use_dashes)
4147 {
4148 int i, j;
4149 vdev_cmd_data_t *data = &vcdl->data[0];
4150
4151 if (vcdl->count == 0 || data == NULL)
4152 return;
4153
4154 /*
4155 * Each vdev cmd should have the same column names unless the user did
4156 * something weird with their cmd. Just take the column names from the
4157 * first vdev and assume it works for all of them.
4158 */
4159 for (i = 0; i < vcdl->uniq_cols_cnt; i++) {
4160 printf(" ");
4161 if (use_dashes) {
4162 for (j = 0; j < vcdl->uniq_cols_width[i]; j++)
4163 printf("-");
4164 } else {
4165 printf_color(ANSI_BOLD, "%*s", vcdl->uniq_cols_width[i],
4166 vcdl->uniq_cols[i]);
4167 }
4168 }
4169 }
4170
4171
4172 /*
4173 * Utility function to print out a line of dashes like:
4174 *
4175 * -------------------------------- ----- ----- ----- ----- -----
4176 *
4177 * ...or a dashed named-row line like:
4178 *
4179 * logs - - - - -
4180 *
4181 * @cb: iostat data
4182 *
4183 * @force_column_width If non-zero, use the value as the column width.
4184 * Otherwise use the default column widths.
4185 *
4186 * @name: Print a dashed named-row line starting
4187 * with @name. Otherwise, print a regular
4188 * dashed line.
4189 */
4190 static void
4191 print_iostat_dashes(iostat_cbdata_t *cb, unsigned int force_column_width,
4192 const char *name)
4193 {
4194 int i;
4195 unsigned int namewidth;
4196 uint64_t flags = cb->cb_flags;
4197 uint64_t f;
4198 int idx;
4199 const name_and_columns_t *labels;
4200 const char *title;
4201
4202
4203 if (cb->cb_flags & IOS_ANYHISTO_M) {
4204 title = histo_to_title[IOS_HISTO_IDX(cb->cb_flags)];
4205 } else if (cb->cb_vdevs.cb_names_count) {
4206 title = "vdev";
4207 } else {
4208 title = "pool";
4209 }
4210
4211 namewidth = MAX(MAX(strlen(title), cb->cb_namewidth),
4212 name ? strlen(name) : 0);
4213
4214
4215 if (name) {
4216 printf("%-*s", namewidth, name);
4217 } else {
4218 for (i = 0; i < namewidth; i++)
4219 (void) printf("-");
4220 }
4221
4222 /* For each bit in flags */
4223 for (f = flags; f; f &= ~(1ULL << idx)) {
4224 unsigned int column_width;
4225 idx = lowbit64(f) - 1;
4226 if (force_column_width)
4227 column_width = force_column_width;
4228 else
4229 column_width = default_column_width(cb, idx);
4230
4231 labels = iostat_bottom_labels[idx];
4232 for (i = 0; i < label_array_len(labels); i++) {
4233 if (name)
4234 printf(" %*s-", column_width - 1, " ");
4235 else
4236 printf(" %.*s", column_width,
4237 "--------------------");
4238 }
4239 }
4240 }
4241
4242
4243 static void
4244 print_iostat_separator_impl(iostat_cbdata_t *cb,
4245 unsigned int force_column_width)
4246 {
4247 print_iostat_dashes(cb, force_column_width, NULL);
4248 }
4249
4250 static void
4251 print_iostat_separator(iostat_cbdata_t *cb)
4252 {
4253 print_iostat_separator_impl(cb, 0);
4254 }
4255
4256 static void
4257 print_iostat_header_impl(iostat_cbdata_t *cb, unsigned int force_column_width,
4258 const char *histo_vdev_name)
4259 {
4260 unsigned int namewidth;
4261 const char *title;
4262
4263 color_start(ANSI_BOLD);
4264
4265 if (cb->cb_flags & IOS_ANYHISTO_M) {
4266 title = histo_to_title[IOS_HISTO_IDX(cb->cb_flags)];
4267 } else if (cb->cb_vdevs.cb_names_count) {
4268 title = "vdev";
4269 } else {
4270 title = "pool";
4271 }
4272
4273 namewidth = MAX(MAX(strlen(title), cb->cb_namewidth),
4274 histo_vdev_name ? strlen(histo_vdev_name) : 0);
4275
4276 if (histo_vdev_name)
4277 printf("%-*s", namewidth, histo_vdev_name);
4278 else
4279 printf("%*s", namewidth, "");
4280
4281
4282 print_iostat_labels(cb, force_column_width, iostat_top_labels);
4283 printf("\n");
4284
4285 printf("%-*s", namewidth, title);
4286
4287 print_iostat_labels(cb, force_column_width, iostat_bottom_labels);
4288 if (cb->vcdl != NULL)
4289 print_cmd_columns(cb->vcdl, 0);
4290
4291 printf("\n");
4292
4293 print_iostat_separator_impl(cb, force_column_width);
4294
4295 if (cb->vcdl != NULL)
4296 print_cmd_columns(cb->vcdl, 1);
4297
4298 color_end();
4299
4300 printf("\n");
4301 }
4302
4303 static void
4304 print_iostat_header(iostat_cbdata_t *cb)
4305 {
4306 print_iostat_header_impl(cb, 0, NULL);
4307 }
4308
4309 /*
4310 * Prints a size string (i.e. 120M) with the suffix ("M") colored
4311 * by order of magnitude. Uses column_size to add padding.
4312 */
4313 static void
4314 print_stat_color(const char *statbuf, unsigned int column_size)
4315 {
4316 fputs(" ", stdout);
4317 size_t len = strlen(statbuf);
4318 while (len < column_size) {
4319 fputc(' ', stdout);
4320 column_size--;
4321 }
4322 if (*statbuf == '0') {
4323 color_start(ANSI_GRAY);
4324 fputc('0', stdout);
4325 } else {
4326 for (; *statbuf; statbuf++) {
4327 if (*statbuf == 'K') color_start(ANSI_GREEN);
4328 else if (*statbuf == 'M') color_start(ANSI_YELLOW);
4329 else if (*statbuf == 'G') color_start(ANSI_RED);
4330 else if (*statbuf == 'T') color_start(ANSI_BOLD_BLUE);
4331 else if (*statbuf == 'P') color_start(ANSI_MAGENTA);
4332 else if (*statbuf == 'E') color_start(ANSI_CYAN);
4333 fputc(*statbuf, stdout);
4334 if (--column_size <= 0)
4335 break;
4336 }
4337 }
4338 color_end();
4339 }
4340
4341 /*
4342 * Display a single statistic.
4343 */
4344 static void
4345 print_one_stat(uint64_t value, enum zfs_nicenum_format format,
4346 unsigned int column_size, boolean_t scripted)
4347 {
4348 char buf[64];
4349
4350 zfs_nicenum_format(value, buf, sizeof (buf), format);
4351
4352 if (scripted)
4353 printf("\t%s", buf);
4354 else
4355 print_stat_color(buf, column_size);
4356 }
4357
4358 /*
4359 * Calculate the default vdev stats
4360 *
4361 * Subtract oldvs from newvs, apply a scaling factor, and save the resulting
4362 * stats into calcvs.
4363 */
4364 static void
4365 calc_default_iostats(vdev_stat_t *oldvs, vdev_stat_t *newvs,
4366 vdev_stat_t *calcvs)
4367 {
4368 int i;
4369
4370 memcpy(calcvs, newvs, sizeof (*calcvs));
4371 for (i = 0; i < ARRAY_SIZE(calcvs->vs_ops); i++)
4372 calcvs->vs_ops[i] = (newvs->vs_ops[i] - oldvs->vs_ops[i]);
4373
4374 for (i = 0; i < ARRAY_SIZE(calcvs->vs_bytes); i++)
4375 calcvs->vs_bytes[i] = (newvs->vs_bytes[i] - oldvs->vs_bytes[i]);
4376 }
4377
4378 /*
4379 * Internal representation of the extended iostats data.
4380 *
4381 * The extended iostat stats are exported in nvlists as either uint64_t arrays
4382 * or single uint64_t's. We make both look like arrays to make them easier
4383 * to process. In order to make single uint64_t's look like arrays, we set
4384 * __data to the stat data, and then set *data = &__data with count = 1. Then,
4385 * we can just use *data and count.
4386 */
4387 struct stat_array {
4388 uint64_t *data;
4389 uint_t count; /* Number of entries in data[] */
4390 uint64_t __data; /* Only used when data is a single uint64_t */
4391 };
4392
4393 static uint64_t
4394 stat_histo_max(struct stat_array *nva, unsigned int len)
4395 {
4396 uint64_t max = 0;
4397 int i;
4398 for (i = 0; i < len; i++)
4399 max = MAX(max, array64_max(nva[i].data, nva[i].count));
4400
4401 return (max);
4402 }
4403
4404 /*
4405 * Helper function to lookup a uint64_t array or uint64_t value and store its
4406 * data as a stat_array. If the nvpair is a single uint64_t value, then we make
4407 * it look like a one element array to make it easier to process.
4408 */
4409 static int
4410 nvpair64_to_stat_array(nvlist_t *nvl, const char *name,
4411 struct stat_array *nva)
4412 {
4413 nvpair_t *tmp;
4414 int ret;
4415
4416 verify(nvlist_lookup_nvpair(nvl, name, &tmp) == 0);
4417 switch (nvpair_type(tmp)) {
4418 case DATA_TYPE_UINT64_ARRAY:
4419 ret = nvpair_value_uint64_array(tmp, &nva->data, &nva->count);
4420 break;
4421 case DATA_TYPE_UINT64:
4422 ret = nvpair_value_uint64(tmp, &nva->__data);
4423 nva->data = &nva->__data;
4424 nva->count = 1;
4425 break;
4426 default:
4427 /* Not a uint64_t */
4428 ret = EINVAL;
4429 break;
4430 }
4431
4432 return (ret);
4433 }
4434
4435 /*
4436 * Given a list of nvlist names, look up the extended stats in newnv and oldnv,
4437 * subtract them, and return the results in a newly allocated stat_array.
4438 * You must free the returned array after you are done with it with
4439 * free_calc_stats().
4440 *
4441 * Additionally, you can set "oldnv" to NULL if you simply want the newnv
4442 * values.
4443 */
4444 static struct stat_array *
4445 calc_and_alloc_stats_ex(const char **names, unsigned int len, nvlist_t *oldnv,
4446 nvlist_t *newnv)
4447 {
4448 nvlist_t *oldnvx = NULL, *newnvx;
4449 struct stat_array *oldnva, *newnva, *calcnva;
4450 int i, j;
4451 unsigned int alloc_size = (sizeof (struct stat_array)) * len;
4452
4453 /* Extract our extended stats nvlist from the main list */
4454 verify(nvlist_lookup_nvlist(newnv, ZPOOL_CONFIG_VDEV_STATS_EX,
4455 &newnvx) == 0);
4456 if (oldnv) {
4457 verify(nvlist_lookup_nvlist(oldnv, ZPOOL_CONFIG_VDEV_STATS_EX,
4458 &oldnvx) == 0);
4459 }
4460
4461 newnva = safe_malloc(alloc_size);
4462 oldnva = safe_malloc(alloc_size);
4463 calcnva = safe_malloc(alloc_size);
4464
4465 for (j = 0; j < len; j++) {
4466 verify(nvpair64_to_stat_array(newnvx, names[j],
4467 &newnva[j]) == 0);
4468 calcnva[j].count = newnva[j].count;
4469 alloc_size = calcnva[j].count * sizeof (calcnva[j].data[0]);
4470 calcnva[j].data = safe_malloc(alloc_size);
4471 memcpy(calcnva[j].data, newnva[j].data, alloc_size);
4472
4473 if (oldnvx) {
4474 verify(nvpair64_to_stat_array(oldnvx, names[j],
4475 &oldnva[j]) == 0);
4476 for (i = 0; i < oldnva[j].count; i++)
4477 calcnva[j].data[i] -= oldnva[j].data[i];
4478 }
4479 }
4480 free(newnva);
4481 free(oldnva);
4482 return (calcnva);
4483 }
4484
4485 static void
4486 free_calc_stats(struct stat_array *nva, unsigned int len)
4487 {
4488 int i;
4489 for (i = 0; i < len; i++)
4490 free(nva[i].data);
4491
4492 free(nva);
4493 }
4494
4495 static void
4496 print_iostat_histo(struct stat_array *nva, unsigned int len,
4497 iostat_cbdata_t *cb, unsigned int column_width, unsigned int namewidth,
4498 double scale)
4499 {
4500 int i, j;
4501 char buf[6];
4502 uint64_t val;
4503 enum zfs_nicenum_format format;
4504 unsigned int buckets;
4505 unsigned int start_bucket;
4506
4507 if (cb->cb_literal)
4508 format = ZFS_NICENUM_RAW;
4509 else
4510 format = ZFS_NICENUM_1024;
4511
4512 /* All these histos are the same size, so just use nva[0].count */
4513 buckets = nva[0].count;
4514
4515 if (cb->cb_flags & IOS_RQ_HISTO_M) {
4516 /* Start at 512 - req size should never be lower than this */
4517 start_bucket = 9;
4518 } else {
4519 start_bucket = 0;
4520 }
4521
4522 for (j = start_bucket; j < buckets; j++) {
4523 /* Print histogram bucket label */
4524 if (cb->cb_flags & IOS_L_HISTO_M) {
4525 /* Ending range of this bucket */
4526 val = (1UL << (j + 1)) - 1;
4527 zfs_nicetime(val, buf, sizeof (buf));
4528 } else {
4529 /* Request size (starting range of bucket) */
4530 val = (1UL << j);
4531 zfs_nicenum(val, buf, sizeof (buf));
4532 }
4533
4534 if (cb->cb_scripted)
4535 printf("%llu", (u_longlong_t)val);
4536 else
4537 printf("%-*s", namewidth, buf);
4538
4539 /* Print the values on the line */
4540 for (i = 0; i < len; i++) {
4541 print_one_stat(nva[i].data[j] * scale, format,
4542 column_width, cb->cb_scripted);
4543 }
4544 printf("\n");
4545 }
4546 }
4547
4548 static void
4549 print_solid_separator(unsigned int length)
4550 {
4551 while (length--)
4552 printf("-");
4553 printf("\n");
4554 }
4555
4556 static void
4557 print_iostat_histos(iostat_cbdata_t *cb, nvlist_t *oldnv,
4558 nvlist_t *newnv, double scale, const char *name)
4559 {
4560 unsigned int column_width;
4561 unsigned int namewidth;
4562 unsigned int entire_width;
4563 enum iostat_type type;
4564 struct stat_array *nva;
4565 const char **names;
4566 unsigned int names_len;
4567
4568 /* What type of histo are we? */
4569 type = IOS_HISTO_IDX(cb->cb_flags);
4570
4571 /* Get NULL-terminated array of nvlist names for our histo */
4572 names = vsx_type_to_nvlist[type];
4573 names_len = str_array_len(names); /* num of names */
4574
4575 nva = calc_and_alloc_stats_ex(names, names_len, oldnv, newnv);
4576
4577 if (cb->cb_literal) {
4578 column_width = MAX(5,
4579 (unsigned int) log10(stat_histo_max(nva, names_len)) + 1);
4580 } else {
4581 column_width = 5;
4582 }
4583
4584 namewidth = MAX(cb->cb_namewidth,
4585 strlen(histo_to_title[IOS_HISTO_IDX(cb->cb_flags)]));
4586
4587 /*
4588 * Calculate the entire line width of what we're printing. The
4589 * +2 is for the two spaces between columns:
4590 */
4591 /* read write */
4592 /* ----- ----- */
4593 /* |___| <---------- column_width */
4594 /* */
4595 /* |__________| <--- entire_width */
4596 /* */
4597 entire_width = namewidth + (column_width + 2) *
4598 label_array_len(iostat_bottom_labels[type]);
4599
4600 if (cb->cb_scripted)
4601 printf("%s\n", name);
4602 else
4603 print_iostat_header_impl(cb, column_width, name);
4604
4605 print_iostat_histo(nva, names_len, cb, column_width,
4606 namewidth, scale);
4607
4608 free_calc_stats(nva, names_len);
4609 if (!cb->cb_scripted)
4610 print_solid_separator(entire_width);
4611 }
4612
4613 /*
4614 * Calculate the average latency of a power-of-two latency histogram
4615 */
4616 static uint64_t
4617 single_histo_average(uint64_t *histo, unsigned int buckets)
4618 {
4619 int i;
4620 uint64_t count = 0, total = 0;
4621
4622 for (i = 0; i < buckets; i++) {
4623 /*
4624 * Our buckets are power-of-two latency ranges. Use the
4625 * midpoint latency of each bucket to calculate the average.
4626 * For example:
4627 *
4628 * Bucket Midpoint
4629 * 8ns-15ns: 12ns
4630 * 16ns-31ns: 24ns
4631 * ...
4632 */
4633 if (histo[i] != 0) {
4634 total += histo[i] * (((1UL << i) + ((1UL << i)/2)));
4635 count += histo[i];
4636 }
4637 }
4638
4639 /* Prevent divide by zero */
4640 return (count == 0 ? 0 : total / count);
4641 }
4642
4643 static void
4644 print_iostat_queues(iostat_cbdata_t *cb, nvlist_t *newnv)
4645 {
4646 const char *names[] = {
4647 ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE,
4648 ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE,
4649 ZPOOL_CONFIG_VDEV_SYNC_W_PEND_QUEUE,
4650 ZPOOL_CONFIG_VDEV_SYNC_W_ACTIVE_QUEUE,
4651 ZPOOL_CONFIG_VDEV_ASYNC_R_PEND_QUEUE,
4652 ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE,
4653 ZPOOL_CONFIG_VDEV_ASYNC_W_PEND_QUEUE,
4654 ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE,
4655 ZPOOL_CONFIG_VDEV_SCRUB_PEND_QUEUE,
4656 ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE,
4657 ZPOOL_CONFIG_VDEV_TRIM_PEND_QUEUE,
4658 ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE,
4659 ZPOOL_CONFIG_VDEV_REBUILD_PEND_QUEUE,
4660 ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE,
4661 };
4662
4663 struct stat_array *nva;
4664
4665 unsigned int column_width = default_column_width(cb, IOS_QUEUES);
4666 enum zfs_nicenum_format format;
4667
4668 nva = calc_and_alloc_stats_ex(names, ARRAY_SIZE(names), NULL, newnv);
4669
4670 if (cb->cb_literal)
4671 format = ZFS_NICENUM_RAW;
4672 else
4673 format = ZFS_NICENUM_1024;
4674
4675 for (int i = 0; i < ARRAY_SIZE(names); i++) {
4676 uint64_t val = nva[i].data[0];
4677 print_one_stat(val, format, column_width, cb->cb_scripted);
4678 }
4679
4680 free_calc_stats(nva, ARRAY_SIZE(names));
4681 }
4682
4683 static void
4684 print_iostat_latency(iostat_cbdata_t *cb, nvlist_t *oldnv,
4685 nvlist_t *newnv)
4686 {
4687 int i;
4688 uint64_t val;
4689 const char *names[] = {
4690 ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
4691 ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
4692 ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
4693 ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
4694 ZPOOL_CONFIG_VDEV_SYNC_R_LAT_HISTO,
4695 ZPOOL_CONFIG_VDEV_SYNC_W_LAT_HISTO,
4696 ZPOOL_CONFIG_VDEV_ASYNC_R_LAT_HISTO,
4697 ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO,
4698 ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO,
4699 ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
4700 ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO,
4701 };
4702 struct stat_array *nva;
4703
4704 unsigned int column_width = default_column_width(cb, IOS_LATENCY);
4705 enum zfs_nicenum_format format;
4706
4707 nva = calc_and_alloc_stats_ex(names, ARRAY_SIZE(names), oldnv, newnv);
4708
4709 if (cb->cb_literal)
4710 format = ZFS_NICENUM_RAWTIME;
4711 else
4712 format = ZFS_NICENUM_TIME;
4713
4714 /* Print our avg latencies on the line */
4715 for (i = 0; i < ARRAY_SIZE(names); i++) {
4716 /* Compute average latency for a latency histo */
4717 val = single_histo_average(nva[i].data, nva[i].count);
4718 print_one_stat(val, format, column_width, cb->cb_scripted);
4719 }
4720 free_calc_stats(nva, ARRAY_SIZE(names));
4721 }
4722
4723 /*
4724 * Print default statistics (capacity/operations/bandwidth)
4725 */
4726 static void
4727 print_iostat_default(vdev_stat_t *vs, iostat_cbdata_t *cb, double scale)
4728 {
4729 unsigned int column_width = default_column_width(cb, IOS_DEFAULT);
4730 enum zfs_nicenum_format format;
4731 char na; /* char to print for "not applicable" values */
4732
4733 if (cb->cb_literal) {
4734 format = ZFS_NICENUM_RAW;
4735 na = '0';
4736 } else {
4737 format = ZFS_NICENUM_1024;
4738 na = '-';
4739 }
4740
4741 /* only toplevel vdevs have capacity stats */
4742 if (vs->vs_space == 0) {
4743 if (cb->cb_scripted)
4744 printf("\t%c\t%c", na, na);
4745 else
4746 printf(" %*c %*c", column_width, na, column_width,
4747 na);
4748 } else {
4749 print_one_stat(vs->vs_alloc, format, column_width,
4750 cb->cb_scripted);
4751 print_one_stat(vs->vs_space - vs->vs_alloc, format,
4752 column_width, cb->cb_scripted);
4753 }
4754
4755 print_one_stat((uint64_t)(vs->vs_ops[ZIO_TYPE_READ] * scale),
4756 format, column_width, cb->cb_scripted);
4757 print_one_stat((uint64_t)(vs->vs_ops[ZIO_TYPE_WRITE] * scale),
4758 format, column_width, cb->cb_scripted);
4759 print_one_stat((uint64_t)(vs->vs_bytes[ZIO_TYPE_READ] * scale),
4760 format, column_width, cb->cb_scripted);
4761 print_one_stat((uint64_t)(vs->vs_bytes[ZIO_TYPE_WRITE] * scale),
4762 format, column_width, cb->cb_scripted);
4763 }
4764
4765 static const char *const class_name[] = {
4766 VDEV_ALLOC_BIAS_DEDUP,
4767 VDEV_ALLOC_BIAS_SPECIAL,
4768 VDEV_ALLOC_CLASS_LOGS
4769 };
4770
4771 /*
4772 * Print out all the statistics for the given vdev. This can either be the
4773 * toplevel configuration, or called recursively. If 'name' is NULL, then this
4774 * is a verbose output, and we don't want to display the toplevel pool stats.
4775 *
4776 * Returns the number of stat lines printed.
4777 */
4778 static unsigned int
4779 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
4780 nvlist_t *newnv, iostat_cbdata_t *cb, int depth)
4781 {
4782 nvlist_t **oldchild, **newchild;
4783 uint_t c, children, oldchildren;
4784 vdev_stat_t *oldvs, *newvs, *calcvs;
4785 vdev_stat_t zerovs = { 0 };
4786 char *vname;
4787 int i;
4788 int ret = 0;
4789 uint64_t tdelta;
4790 double scale;
4791
4792 if (strcmp(name, VDEV_TYPE_INDIRECT) == 0)
4793 return (ret);
4794
4795 calcvs = safe_malloc(sizeof (*calcvs));
4796
4797 if (oldnv != NULL) {
4798 verify(nvlist_lookup_uint64_array(oldnv,
4799 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0);
4800 } else {
4801 oldvs = &zerovs;
4802 }
4803
4804 /* Do we only want to see a specific vdev? */
4805 for (i = 0; i < cb->cb_vdevs.cb_names_count; i++) {
4806 /* Yes we do. Is this the vdev? */
4807 if (strcmp(name, cb->cb_vdevs.cb_names[i]) == 0) {
4808 /*
4809 * This is our vdev. Since it is the only vdev we
4810 * will be displaying, make depth = 0 so that it
4811 * doesn't get indented.
4812 */
4813 depth = 0;
4814 break;
4815 }
4816 }
4817
4818 if (cb->cb_vdevs.cb_names_count && (i == cb->cb_vdevs.cb_names_count)) {
4819 /* Couldn't match the name */
4820 goto children;
4821 }
4822
4823
4824 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS,
4825 (uint64_t **)&newvs, &c) == 0);
4826
4827 /*
4828 * Print the vdev name unless it's is a histogram. Histograms
4829 * display the vdev name in the header itself.
4830 */
4831 if (!(cb->cb_flags & IOS_ANYHISTO_M)) {
4832 if (cb->cb_scripted) {
4833 printf("%s", name);
4834 } else {
4835 if (strlen(name) + depth > cb->cb_namewidth)
4836 (void) printf("%*s%s", depth, "", name);
4837 else
4838 (void) printf("%*s%s%*s", depth, "", name,
4839 (int)(cb->cb_namewidth - strlen(name) -
4840 depth), "");
4841 }
4842 }
4843
4844 /* Calculate our scaling factor */
4845 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp;
4846 if ((oldvs->vs_timestamp == 0) && (cb->cb_flags & IOS_ANYHISTO_M)) {
4847 /*
4848 * If we specify printing histograms with no time interval, then
4849 * print the histogram numbers over the entire lifetime of the
4850 * vdev.
4851 */
4852 scale = 1;
4853 } else {
4854 if (tdelta == 0)
4855 scale = 1.0;
4856 else
4857 scale = (double)NANOSEC / tdelta;
4858 }
4859
4860 if (cb->cb_flags & IOS_DEFAULT_M) {
4861 calc_default_iostats(oldvs, newvs, calcvs);
4862 print_iostat_default(calcvs, cb, scale);
4863 }
4864 if (cb->cb_flags & IOS_LATENCY_M)
4865 print_iostat_latency(cb, oldnv, newnv);
4866 if (cb->cb_flags & IOS_QUEUES_M)
4867 print_iostat_queues(cb, newnv);
4868 if (cb->cb_flags & IOS_ANYHISTO_M) {
4869 printf("\n");
4870 print_iostat_histos(cb, oldnv, newnv, scale, name);
4871 }
4872
4873 if (cb->vcdl != NULL) {
4874 const char *path;
4875 if (nvlist_lookup_string(newnv, ZPOOL_CONFIG_PATH,
4876 &path) == 0) {
4877 printf(" ");
4878 zpool_print_cmd(cb->vcdl, zpool_get_name(zhp), path);
4879 }
4880 }
4881
4882 if (!(cb->cb_flags & IOS_ANYHISTO_M))
4883 printf("\n");
4884
4885 ret++;
4886
4887 children:
4888
4889 free(calcvs);
4890
4891 if (!cb->cb_verbose)
4892 return (ret);
4893
4894 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN,
4895 &newchild, &children) != 0)
4896 return (ret);
4897
4898 if (oldnv) {
4899 if (nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN,
4900 &oldchild, &oldchildren) != 0)
4901 return (ret);
4902
4903 children = MIN(oldchildren, children);
4904 }
4905
4906 /*
4907 * print normal top-level devices
4908 */
4909 for (c = 0; c < children; c++) {
4910 uint64_t ishole = B_FALSE, islog = B_FALSE;
4911
4912 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE,
4913 &ishole);
4914
4915 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG,
4916 &islog);
4917
4918 if (ishole || islog)
4919 continue;
4920
4921 if (nvlist_exists(newchild[c], ZPOOL_CONFIG_ALLOCATION_BIAS))
4922 continue;
4923
4924 vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
4925 cb->cb_vdevs.cb_name_flags | VDEV_NAME_TYPE_ID);
4926 ret += print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
4927 newchild[c], cb, depth + 2);
4928 free(vname);
4929 }
4930
4931 /*
4932 * print all other top-level devices
4933 */
4934 for (uint_t n = 0; n < ARRAY_SIZE(class_name); n++) {
4935 boolean_t printed = B_FALSE;
4936
4937 for (c = 0; c < children; c++) {
4938 uint64_t islog = B_FALSE;
4939 const char *bias = NULL;
4940 const char *type = NULL;
4941
4942 (void) nvlist_lookup_uint64(newchild[c],
4943 ZPOOL_CONFIG_IS_LOG, &islog);
4944 if (islog) {
4945 bias = VDEV_ALLOC_CLASS_LOGS;
4946 } else {
4947 (void) nvlist_lookup_string(newchild[c],
4948 ZPOOL_CONFIG_ALLOCATION_BIAS, &bias);
4949 (void) nvlist_lookup_string(newchild[c],
4950 ZPOOL_CONFIG_TYPE, &type);
4951 }
4952 if (bias == NULL || strcmp(bias, class_name[n]) != 0)
4953 continue;
4954 if (!islog && strcmp(type, VDEV_TYPE_INDIRECT) == 0)
4955 continue;
4956
4957 if (!printed) {
4958 if ((!(cb->cb_flags & IOS_ANYHISTO_M)) &&
4959 !cb->cb_scripted &&
4960 !cb->cb_vdevs.cb_names) {
4961 print_iostat_dashes(cb, 0,
4962 class_name[n]);
4963 }
4964 printf("\n");
4965 printed = B_TRUE;
4966 }
4967
4968 vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
4969 cb->cb_vdevs.cb_name_flags | VDEV_NAME_TYPE_ID);
4970 ret += print_vdev_stats(zhp, vname, oldnv ?
4971 oldchild[c] : NULL, newchild[c], cb, depth + 2);
4972 free(vname);
4973 }
4974 }
4975
4976 /*
4977 * Include level 2 ARC devices in iostat output
4978 */
4979 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE,
4980 &newchild, &children) != 0)
4981 return (ret);
4982
4983 if (oldnv) {
4984 if (nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE,
4985 &oldchild, &oldchildren) != 0)
4986 return (ret);
4987
4988 children = MIN(oldchildren, children);
4989 }
4990
4991 if (children > 0) {
4992 if ((!(cb->cb_flags & IOS_ANYHISTO_M)) && !cb->cb_scripted &&
4993 !cb->cb_vdevs.cb_names) {
4994 print_iostat_dashes(cb, 0, "cache");
4995 }
4996 printf("\n");
4997
4998 for (c = 0; c < children; c++) {
4999 vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
5000 cb->cb_vdevs.cb_name_flags);
5001 ret += print_vdev_stats(zhp, vname, oldnv ? oldchild[c]
5002 : NULL, newchild[c], cb, depth + 2);
5003 free(vname);
5004 }
5005 }
5006
5007 return (ret);
5008 }
5009
5010 static int
5011 refresh_iostat(zpool_handle_t *zhp, void *data)
5012 {
5013 iostat_cbdata_t *cb = data;
5014 boolean_t missing;
5015
5016 /*
5017 * If the pool has disappeared, remove it from the list and continue.
5018 */
5019 if (zpool_refresh_stats(zhp, &missing) != 0)
5020 return (-1);
5021
5022 if (missing)
5023 pool_list_remove(cb->cb_list, zhp);
5024
5025 return (0);
5026 }
5027
5028 /*
5029 * Callback to print out the iostats for the given pool.
5030 */
5031 static int
5032 print_iostat(zpool_handle_t *zhp, void *data)
5033 {
5034 iostat_cbdata_t *cb = data;
5035 nvlist_t *oldconfig, *newconfig;
5036 nvlist_t *oldnvroot, *newnvroot;
5037 int ret;
5038
5039 newconfig = zpool_get_config(zhp, &oldconfig);
5040
5041 if (cb->cb_iteration == 1)
5042 oldconfig = NULL;
5043
5044 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE,
5045 &newnvroot) == 0);
5046
5047 if (oldconfig == NULL)
5048 oldnvroot = NULL;
5049 else
5050 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE,
5051 &oldnvroot) == 0);
5052
5053 ret = print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot,
5054 cb, 0);
5055 if ((ret != 0) && !(cb->cb_flags & IOS_ANYHISTO_M) &&
5056 !cb->cb_scripted && cb->cb_verbose &&
5057 !cb->cb_vdevs.cb_names_count) {
5058 print_iostat_separator(cb);
5059 if (cb->vcdl != NULL) {
5060 print_cmd_columns(cb->vcdl, 1);
5061 }
5062 printf("\n");
5063 }
5064
5065 return (ret);
5066 }
5067
5068 static int
5069 get_columns(void)
5070 {
5071 struct winsize ws;
5072 int columns = 80;
5073 int error;
5074
5075 if (isatty(STDOUT_FILENO)) {
5076 error = ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
5077 if (error == 0)
5078 columns = ws.ws_col;
5079 } else {
5080 columns = 999;
5081 }
5082
5083 return (columns);
5084 }
5085
5086 /*
5087 * Return the required length of the pool/vdev name column. The minimum
5088 * allowed width and output formatting flags must be provided.
5089 */
5090 static int
5091 get_namewidth(zpool_handle_t *zhp, int min_width, int flags, boolean_t verbose)
5092 {
5093 nvlist_t *config, *nvroot;
5094 int width = min_width;
5095
5096 if ((config = zpool_get_config(zhp, NULL)) != NULL) {
5097 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
5098 &nvroot) == 0);
5099 size_t poolname_len = strlen(zpool_get_name(zhp));
5100 if (verbose == B_FALSE) {
5101 width = MAX(poolname_len, min_width);
5102 } else {
5103 width = MAX(poolname_len,
5104 max_width(zhp, nvroot, 0, min_width, flags));
5105 }
5106 }
5107
5108 return (width);
5109 }
5110
5111 /*
5112 * Parse the input string, get the 'interval' and 'count' value if there is one.
5113 */
5114 static void
5115 get_interval_count(int *argcp, char **argv, float *iv,
5116 unsigned long *cnt)
5117 {
5118 float interval = 0;
5119 unsigned long count = 0;
5120 int argc = *argcp;
5121
5122 /*
5123 * Determine if the last argument is an integer or a pool name
5124 */
5125 if (argc > 0 && zfs_isnumber(argv[argc - 1])) {
5126 char *end;
5127
5128 errno = 0;
5129 interval = strtof(argv[argc - 1], &end);
5130
5131 if (*end == '\0' && errno == 0) {
5132 if (interval == 0) {
5133 (void) fprintf(stderr, gettext(
5134 "interval cannot be zero\n"));
5135 usage(B_FALSE);
5136 }
5137 /*
5138 * Ignore the last parameter
5139 */
5140 argc--;
5141 } else {
5142 /*
5143 * If this is not a valid number, just plow on. The
5144 * user will get a more informative error message later
5145 * on.
5146 */
5147 interval = 0;
5148 }
5149 }
5150
5151 /*
5152 * If the last argument is also an integer, then we have both a count
5153 * and an interval.
5154 */
5155 if (argc > 0 && zfs_isnumber(argv[argc - 1])) {
5156 char *end;
5157
5158 errno = 0;
5159 count = interval;
5160 interval = strtof(argv[argc - 1], &end);
5161
5162 if (*end == '\0' && errno == 0) {
5163 if (interval == 0) {
5164 (void) fprintf(stderr, gettext(
5165 "interval cannot be zero\n"));
5166 usage(B_FALSE);
5167 }
5168
5169 /*
5170 * Ignore the last parameter
5171 */
5172 argc--;
5173 } else {
5174 interval = 0;
5175 }
5176 }
5177
5178 *iv = interval;
5179 *cnt = count;
5180 *argcp = argc;
5181 }
5182
5183 static void
5184 get_timestamp_arg(char c)
5185 {
5186 if (c == 'u')
5187 timestamp_fmt = UDATE;
5188 else if (c == 'd')
5189 timestamp_fmt = DDATE;
5190 else
5191 usage(B_FALSE);
5192 }
5193
5194 /*
5195 * Return stat flags that are supported by all pools by both the module and
5196 * zpool iostat. "*data" should be initialized to all 0xFFs before running.
5197 * It will get ANDed down until only the flags that are supported on all pools
5198 * remain.
5199 */
5200 static int
5201 get_stat_flags_cb(zpool_handle_t *zhp, void *data)
5202 {
5203 uint64_t *mask = data;
5204 nvlist_t *config, *nvroot, *nvx;
5205 uint64_t flags = 0;
5206 int i, j;
5207
5208 config = zpool_get_config(zhp, NULL);
5209 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
5210 &nvroot) == 0);
5211
5212 /* Default stats are always supported, but for completeness.. */
5213 if (nvlist_exists(nvroot, ZPOOL_CONFIG_VDEV_STATS))
5214 flags |= IOS_DEFAULT_M;
5215
5216 /* Get our extended stats nvlist from the main list */
5217 if (nvlist_lookup_nvlist(nvroot, ZPOOL_CONFIG_VDEV_STATS_EX,
5218 &nvx) != 0) {
5219 /*
5220 * No extended stats; they're probably running an older
5221 * module. No big deal, we support that too.
5222 */
5223 goto end;
5224 }
5225
5226 /* For each extended stat, make sure all its nvpairs are supported */
5227 for (j = 0; j < ARRAY_SIZE(vsx_type_to_nvlist); j++) {
5228 if (!vsx_type_to_nvlist[j][0])
5229 continue;
5230
5231 /* Start off by assuming the flag is supported, then check */
5232 flags |= (1ULL << j);
5233 for (i = 0; vsx_type_to_nvlist[j][i]; i++) {
5234 if (!nvlist_exists(nvx, vsx_type_to_nvlist[j][i])) {
5235 /* flag isn't supported */
5236 flags = flags & ~(1ULL << j);
5237 break;
5238 }
5239 }
5240 }
5241 end:
5242 *mask = *mask & flags;
5243 return (0);
5244 }
5245
5246 /*
5247 * Return a bitmask of stats that are supported on all pools by both the module
5248 * and zpool iostat.
5249 */
5250 static uint64_t
5251 get_stat_flags(zpool_list_t *list)
5252 {
5253 uint64_t mask = -1;
5254
5255 /*
5256 * get_stat_flags_cb() will lop off bits from "mask" until only the
5257 * flags that are supported on all pools remain.
5258 */
5259 pool_list_iter(list, B_FALSE, get_stat_flags_cb, &mask);
5260 return (mask);
5261 }
5262
5263 /*
5264 * Return 1 if cb_data->cb_names[0] is this vdev's name, 0 otherwise.
5265 */
5266 static int
5267 is_vdev_cb(void *zhp_data, nvlist_t *nv, void *cb_data)
5268 {
5269 uint64_t guid;
5270 vdev_cbdata_t *cb = cb_data;
5271 zpool_handle_t *zhp = zhp_data;
5272
5273 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) != 0)
5274 return (0);
5275
5276 return (guid == zpool_vdev_path_to_guid(zhp, cb->cb_names[0]));
5277 }
5278
5279 /*
5280 * Returns 1 if cb_data->cb_names[0] is a vdev name, 0 otherwise.
5281 */
5282 static int
5283 is_vdev(zpool_handle_t *zhp, void *cb_data)
5284 {
5285 return (for_each_vdev(zhp, is_vdev_cb, cb_data));
5286 }
5287
5288 /*
5289 * Check if vdevs are in a pool
5290 *
5291 * Return 1 if all argv[] strings are vdev names in pool "pool_name". Otherwise
5292 * return 0. If pool_name is NULL, then search all pools.
5293 */
5294 static int
5295 are_vdevs_in_pool(int argc, char **argv, char *pool_name,
5296 vdev_cbdata_t *cb)
5297 {
5298 char **tmp_name;
5299 int ret = 0;
5300 int i;
5301 int pool_count = 0;
5302
5303 if ((argc == 0) || !*argv)
5304 return (0);
5305
5306 if (pool_name)
5307 pool_count = 1;
5308
5309 /* Temporarily hijack cb_names for a second... */
5310 tmp_name = cb->cb_names;
5311
5312 /* Go though our list of prospective vdev names */
5313 for (i = 0; i < argc; i++) {
5314 cb->cb_names = argv + i;
5315
5316 /* Is this name a vdev in our pools? */
5317 ret = for_each_pool(pool_count, &pool_name, B_TRUE, NULL,
5318 ZFS_TYPE_POOL, B_FALSE, is_vdev, cb);
5319 if (!ret) {
5320 /* No match */
5321 break;
5322 }
5323 }
5324
5325 cb->cb_names = tmp_name;
5326
5327 return (ret);
5328 }
5329
5330 static int
5331 is_pool_cb(zpool_handle_t *zhp, void *data)
5332 {
5333 char *name = data;
5334 if (strcmp(name, zpool_get_name(zhp)) == 0)
5335 return (1);
5336
5337 return (0);
5338 }
5339
5340 /*
5341 * Do we have a pool named *name? If so, return 1, otherwise 0.
5342 */
5343 static int
5344 is_pool(char *name)
5345 {
5346 return (for_each_pool(0, NULL, B_TRUE, NULL, ZFS_TYPE_POOL, B_FALSE,
5347 is_pool_cb, name));
5348 }
5349
5350 /* Are all our argv[] strings pool names? If so return 1, 0 otherwise. */
5351 static int
5352 are_all_pools(int argc, char **argv)
5353 {
5354 if ((argc == 0) || !*argv)
5355 return (0);
5356
5357 while (--argc >= 0)
5358 if (!is_pool(argv[argc]))
5359 return (0);
5360
5361 return (1);
5362 }
5363
5364 /*
5365 * Helper function to print out vdev/pool names we can't resolve. Used for an
5366 * error message.
5367 */
5368 static void
5369 error_list_unresolved_vdevs(int argc, char **argv, char *pool_name,
5370 vdev_cbdata_t *cb)
5371 {
5372 int i;
5373 char *name;
5374 char *str;
5375 for (i = 0; i < argc; i++) {
5376 name = argv[i];
5377
5378 if (is_pool(name))
5379 str = gettext("pool");
5380 else if (are_vdevs_in_pool(1, &name, pool_name, cb))
5381 str = gettext("vdev in this pool");
5382 else if (are_vdevs_in_pool(1, &name, NULL, cb))
5383 str = gettext("vdev in another pool");
5384 else
5385 str = gettext("unknown");
5386
5387 fprintf(stderr, "\t%s (%s)\n", name, str);
5388 }
5389 }
5390
5391 /*
5392 * Same as get_interval_count(), but with additional checks to not misinterpret
5393 * guids as interval/count values. Assumes VDEV_NAME_GUID is set in
5394 * cb.cb_vdevs.cb_name_flags.
5395 */
5396 static void
5397 get_interval_count_filter_guids(int *argc, char **argv, float *interval,
5398 unsigned long *count, iostat_cbdata_t *cb)
5399 {
5400 char **tmpargv = argv;
5401 int argc_for_interval = 0;
5402
5403 /* Is the last arg an interval value? Or a guid? */
5404 if (*argc >= 1 && !are_vdevs_in_pool(1, &argv[*argc - 1], NULL,
5405 &cb->cb_vdevs)) {
5406 /*
5407 * The last arg is not a guid, so it's probably an
5408 * interval value.
5409 */
5410 argc_for_interval++;
5411
5412 if (*argc >= 2 &&
5413 !are_vdevs_in_pool(1, &argv[*argc - 2], NULL,
5414 &cb->cb_vdevs)) {
5415 /*
5416 * The 2nd to last arg is not a guid, so it's probably
5417 * an interval value.
5418 */
5419 argc_for_interval++;
5420 }
5421 }
5422
5423 /* Point to our list of possible intervals */
5424 tmpargv = &argv[*argc - argc_for_interval];
5425
5426 *argc = *argc - argc_for_interval;
5427 get_interval_count(&argc_for_interval, tmpargv,
5428 interval, count);
5429 }
5430
5431 /*
5432 * Floating point sleep(). Allows you to pass in a floating point value for
5433 * seconds.
5434 */
5435 static void
5436 fsleep(float sec)
5437 {
5438 struct timespec req;
5439 req.tv_sec = floor(sec);
5440 req.tv_nsec = (sec - (float)req.tv_sec) * NANOSEC;
5441 nanosleep(&req, NULL);
5442 }
5443
5444 /*
5445 * Terminal height, in rows. Returns -1 if stdout is not connected to a TTY or
5446 * if we were unable to determine its size.
5447 */
5448 static int
5449 terminal_height(void)
5450 {
5451 struct winsize win;
5452
5453 if (isatty(STDOUT_FILENO) == 0)
5454 return (-1);
5455
5456 if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && win.ws_row > 0)
5457 return (win.ws_row);
5458
5459 return (-1);
5460 }
5461
5462 /*
5463 * Run one of the zpool status/iostat -c scripts with the help (-h) option and
5464 * print the result.
5465 *
5466 * name: Short name of the script ('iostat').
5467 * path: Full path to the script ('/usr/local/etc/zfs/zpool.d/iostat');
5468 */
5469 static void
5470 print_zpool_script_help(char *name, char *path)
5471 {
5472 char *argv[] = {path, (char *)"-h", NULL};
5473 char **lines = NULL;
5474 int lines_cnt = 0;
5475 int rc;
5476
5477 rc = libzfs_run_process_get_stdout_nopath(path, argv, NULL, &lines,
5478 &lines_cnt);
5479 if (rc != 0 || lines == NULL || lines_cnt <= 0) {
5480 if (lines != NULL)
5481 libzfs_free_str_array(lines, lines_cnt);
5482 return;
5483 }
5484
5485 for (int i = 0; i < lines_cnt; i++)
5486 if (!is_blank_str(lines[i]))
5487 printf(" %-14s %s\n", name, lines[i]);
5488
5489 libzfs_free_str_array(lines, lines_cnt);
5490 }
5491
5492 /*
5493 * Go though the zpool status/iostat -c scripts in the user's path, run their
5494 * help option (-h), and print out the results.
5495 */
5496 static void
5497 print_zpool_dir_scripts(char *dirpath)
5498 {
5499 DIR *dir;
5500 struct dirent *ent;
5501 char fullpath[MAXPATHLEN];
5502 struct stat dir_stat;
5503
5504 if ((dir = opendir(dirpath)) != NULL) {
5505 /* print all the files and directories within directory */
5506 while ((ent = readdir(dir)) != NULL) {
5507 if (snprintf(fullpath, sizeof (fullpath), "%s/%s",
5508 dirpath, ent->d_name) >= sizeof (fullpath)) {
5509 (void) fprintf(stderr,
5510 gettext("internal error: "
5511 "ZPOOL_SCRIPTS_PATH too large.\n"));
5512 exit(1);
5513 }
5514
5515 /* Print the scripts */
5516 if (stat(fullpath, &dir_stat) == 0)
5517 if (dir_stat.st_mode & S_IXUSR &&
5518 S_ISREG(dir_stat.st_mode))
5519 print_zpool_script_help(ent->d_name,
5520 fullpath);
5521 }
5522 closedir(dir);
5523 }
5524 }
5525
5526 /*
5527 * Print out help text for all zpool status/iostat -c scripts.
5528 */
5529 static void
5530 print_zpool_script_list(const char *subcommand)
5531 {
5532 char *dir, *sp, *tmp;
5533
5534 printf(gettext("Available 'zpool %s -c' commands:\n"), subcommand);
5535
5536 sp = zpool_get_cmd_search_path();
5537 if (sp == NULL)
5538 return;
5539
5540 for (dir = strtok_r(sp, ":", &tmp);
5541 dir != NULL;
5542 dir = strtok_r(NULL, ":", &tmp))
5543 print_zpool_dir_scripts(dir);
5544
5545 free(sp);
5546 }
5547
5548 /*
5549 * Set the minimum pool/vdev name column width. The width must be at least 10,
5550 * but may be as large as the column width - 42 so it still fits on one line.
5551 * NOTE: 42 is the width of the default capacity/operations/bandwidth output
5552 */
5553 static int
5554 get_namewidth_iostat(zpool_handle_t *zhp, void *data)
5555 {
5556 iostat_cbdata_t *cb = data;
5557 int width, available_width;
5558
5559 /*
5560 * get_namewidth() returns the maximum width of any name in that column
5561 * for any pool/vdev/device line that will be output.
5562 */
5563 width = get_namewidth(zhp, cb->cb_namewidth,
5564 cb->cb_vdevs.cb_name_flags | VDEV_NAME_TYPE_ID, cb->cb_verbose);
5565
5566 /*
5567 * The width we are calculating is the width of the header and also the
5568 * padding width for names that are less than maximum width. The stats
5569 * take up 42 characters, so the width available for names is:
5570 */
5571 available_width = get_columns() - 42;
5572
5573 /*
5574 * If the maximum width fits on a screen, then great! Make everything
5575 * line up by justifying all lines to the same width. If that max
5576 * width is larger than what's available, the name plus stats won't fit
5577 * on one line, and justifying to that width would cause every line to
5578 * wrap on the screen. We only want lines with long names to wrap.
5579 * Limit the padding to what won't wrap.
5580 */
5581 if (width > available_width)
5582 width = available_width;
5583
5584 /*
5585 * And regardless of whatever the screen width is (get_columns can
5586 * return 0 if the width is not known or less than 42 for a narrow
5587 * terminal) have the width be a minimum of 10.
5588 */
5589 if (width < 10)
5590 width = 10;
5591
5592 /* Save the calculated width */
5593 cb->cb_namewidth = width;
5594
5595 return (0);
5596 }
5597
5598 /*
5599 * zpool iostat [[-c [script1,script2,...]] [-lq]|[-rw]] [-ghHLpPvy] [-n name]
5600 * [-T d|u] [[ pool ...]|[pool vdev ...]|[vdev ...]]
5601 * [interval [count]]
5602 *
5603 * -c CMD For each vdev, run command CMD
5604 * -g Display guid for individual vdev name.
5605 * -L Follow links when resolving vdev path name.
5606 * -P Display full path for vdev name.
5607 * -v Display statistics for individual vdevs
5608 * -h Display help
5609 * -p Display values in parsable (exact) format.
5610 * -H Scripted mode. Don't display headers, and separate properties
5611 * by a single tab.
5612 * -l Display average latency
5613 * -q Display queue depths
5614 * -w Display latency histograms
5615 * -r Display request size histogram
5616 * -T Display a timestamp in date(1) or Unix format
5617 * -n Only print headers once
5618 *
5619 * This command can be tricky because we want to be able to deal with pool
5620 * creation/destruction as well as vdev configuration changes. The bulk of this
5621 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely
5622 * on pool_list_update() to detect the addition of new pools. Configuration
5623 * changes are all handled within libzfs.
5624 */
5625 int
5626 zpool_do_iostat(int argc, char **argv)
5627 {
5628 int c;
5629 int ret;
5630 int npools;
5631 float interval = 0;
5632 unsigned long count = 0;
5633 int winheight = 24;
5634 zpool_list_t *list;
5635 boolean_t verbose = B_FALSE;
5636 boolean_t latency = B_FALSE, l_histo = B_FALSE, rq_histo = B_FALSE;
5637 boolean_t queues = B_FALSE, parsable = B_FALSE, scripted = B_FALSE;
5638 boolean_t omit_since_boot = B_FALSE;
5639 boolean_t guid = B_FALSE;
5640 boolean_t follow_links = B_FALSE;
5641 boolean_t full_name = B_FALSE;
5642 boolean_t headers_once = B_FALSE;
5643 iostat_cbdata_t cb = { 0 };
5644 char *cmd = NULL;
5645
5646 /* Used for printing error message */
5647 const char flag_to_arg[] = {[IOS_LATENCY] = 'l', [IOS_QUEUES] = 'q',
5648 [IOS_L_HISTO] = 'w', [IOS_RQ_HISTO] = 'r'};
5649
5650 uint64_t unsupported_flags;
5651
5652 /* check options */
5653 while ((c = getopt(argc, argv, "c:gLPT:vyhplqrwnH")) != -1) {
5654 switch (c) {
5655 case 'c':
5656 if (cmd != NULL) {
5657 fprintf(stderr,
5658 gettext("Can't set -c flag twice\n"));
5659 exit(1);
5660 }
5661
5662 if (getenv("ZPOOL_SCRIPTS_ENABLED") != NULL &&
5663 !libzfs_envvar_is_set("ZPOOL_SCRIPTS_ENABLED")) {
5664 fprintf(stderr, gettext(
5665 "Can't run -c, disabled by "
5666 "ZPOOL_SCRIPTS_ENABLED.\n"));
5667 exit(1);
5668 }
5669
5670 if ((getuid() <= 0 || geteuid() <= 0) &&
5671 !libzfs_envvar_is_set("ZPOOL_SCRIPTS_AS_ROOT")) {
5672 fprintf(stderr, gettext(
5673 "Can't run -c with root privileges "
5674 "unless ZPOOL_SCRIPTS_AS_ROOT is set.\n"));
5675 exit(1);
5676 }
5677 cmd = optarg;
5678 verbose = B_TRUE;
5679 break;
5680 case 'g':
5681 guid = B_TRUE;
5682 break;
5683 case 'L':
5684 follow_links = B_TRUE;
5685 break;
5686 case 'P':
5687 full_name = B_TRUE;
5688 break;
5689 case 'T':
5690 get_timestamp_arg(*optarg);
5691 break;
5692 case 'v':
5693 verbose = B_TRUE;
5694 break;
5695 case 'p':
5696 parsable = B_TRUE;
5697 break;
5698 case 'l':
5699 latency = B_TRUE;
5700 break;
5701 case 'q':
5702 queues = B_TRUE;
5703 break;
5704 case 'H':
5705 scripted = B_TRUE;
5706 break;
5707 case 'w':
5708 l_histo = B_TRUE;
5709 break;
5710 case 'r':
5711 rq_histo = B_TRUE;
5712 break;
5713 case 'y':
5714 omit_since_boot = B_TRUE;
5715 break;
5716 case 'n':
5717 headers_once = B_TRUE;
5718 break;
5719 case 'h':
5720 usage(B_FALSE);
5721 break;
5722 case '?':
5723 if (optopt == 'c') {
5724 print_zpool_script_list("iostat");
5725 exit(0);
5726 } else {
5727 fprintf(stderr,
5728 gettext("invalid option '%c'\n"), optopt);
5729 }
5730 usage(B_FALSE);
5731 }
5732 }
5733
5734 argc -= optind;
5735 argv += optind;
5736
5737 cb.cb_literal = parsable;
5738 cb.cb_scripted = scripted;
5739
5740 if (guid)
5741 cb.cb_vdevs.cb_name_flags |= VDEV_NAME_GUID;
5742 if (follow_links)
5743 cb.cb_vdevs.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
5744 if (full_name)
5745 cb.cb_vdevs.cb_name_flags |= VDEV_NAME_PATH;
5746 cb.cb_iteration = 0;
5747 cb.cb_namewidth = 0;
5748 cb.cb_verbose = verbose;
5749
5750 /* Get our interval and count values (if any) */
5751 if (guid) {
5752 get_interval_count_filter_guids(&argc, argv, &interval,
5753 &count, &cb);
5754 } else {
5755 get_interval_count(&argc, argv, &interval, &count);
5756 }
5757
5758 if (argc == 0) {
5759 /* No args, so just print the defaults. */
5760 } else if (are_all_pools(argc, argv)) {
5761 /* All the args are pool names */
5762 } else if (are_vdevs_in_pool(argc, argv, NULL, &cb.cb_vdevs)) {
5763 /* All the args are vdevs */
5764 cb.cb_vdevs.cb_names = argv;
5765 cb.cb_vdevs.cb_names_count = argc;
5766 argc = 0; /* No pools to process */
5767 } else if (are_all_pools(1, argv)) {
5768 /* The first arg is a pool name */
5769 if (are_vdevs_in_pool(argc - 1, argv + 1, argv[0],
5770 &cb.cb_vdevs)) {
5771 /* ...and the rest are vdev names */
5772 cb.cb_vdevs.cb_names = argv + 1;
5773 cb.cb_vdevs.cb_names_count = argc - 1;
5774 argc = 1; /* One pool to process */
5775 } else {
5776 fprintf(stderr, gettext("Expected either a list of "));
5777 fprintf(stderr, gettext("pools, or list of vdevs in"));
5778 fprintf(stderr, " \"%s\", ", argv[0]);
5779 fprintf(stderr, gettext("but got:\n"));
5780 error_list_unresolved_vdevs(argc - 1, argv + 1,
5781 argv[0], &cb.cb_vdevs);
5782 fprintf(stderr, "\n");
5783 usage(B_FALSE);
5784 return (1);
5785 }
5786 } else {
5787 /*
5788 * The args don't make sense. The first arg isn't a pool name,
5789 * nor are all the args vdevs.
5790 */
5791 fprintf(stderr, gettext("Unable to parse pools/vdevs list.\n"));
5792 fprintf(stderr, "\n");
5793 return (1);
5794 }
5795
5796 if (cb.cb_vdevs.cb_names_count != 0) {
5797 /*
5798 * If user specified vdevs, it implies verbose.
5799 */
5800 cb.cb_verbose = B_TRUE;
5801 }
5802
5803 /*
5804 * Construct the list of all interesting pools.
5805 */
5806 ret = 0;
5807 if ((list = pool_list_get(argc, argv, NULL, ZFS_TYPE_POOL, parsable,
5808 &ret)) == NULL)
5809 return (1);
5810
5811 if (pool_list_count(list) == 0 && argc != 0) {
5812 pool_list_free(list);
5813 return (1);
5814 }
5815
5816 if (pool_list_count(list) == 0 && interval == 0) {
5817 pool_list_free(list);
5818 (void) fprintf(stderr, gettext("no pools available\n"));
5819 return (1);
5820 }
5821
5822 if ((l_histo || rq_histo) && (cmd != NULL || latency || queues)) {
5823 pool_list_free(list);
5824 (void) fprintf(stderr,
5825 gettext("[-r|-w] isn't allowed with [-c|-l|-q]\n"));
5826 usage(B_FALSE);
5827 return (1);
5828 }
5829
5830 if (l_histo && rq_histo) {
5831 pool_list_free(list);
5832 (void) fprintf(stderr,
5833 gettext("Only one of [-r|-w] can be passed at a time\n"));
5834 usage(B_FALSE);
5835 return (1);
5836 }
5837
5838 /*
5839 * Enter the main iostat loop.
5840 */
5841 cb.cb_list = list;
5842
5843 if (l_histo) {
5844 /*
5845 * Histograms tables look out of place when you try to display
5846 * them with the other stats, so make a rule that you can only
5847 * print histograms by themselves.
5848 */
5849 cb.cb_flags = IOS_L_HISTO_M;
5850 } else if (rq_histo) {
5851 cb.cb_flags = IOS_RQ_HISTO_M;
5852 } else {
5853 cb.cb_flags = IOS_DEFAULT_M;
5854 if (latency)
5855 cb.cb_flags |= IOS_LATENCY_M;
5856 if (queues)
5857 cb.cb_flags |= IOS_QUEUES_M;
5858 }
5859
5860 /*
5861 * See if the module supports all the stats we want to display.
5862 */
5863 unsupported_flags = cb.cb_flags & ~get_stat_flags(list);
5864 if (unsupported_flags) {
5865 uint64_t f;
5866 int idx;
5867 fprintf(stderr,
5868 gettext("The loaded zfs module doesn't support:"));
5869
5870 /* for each bit set in unsupported_flags */
5871 for (f = unsupported_flags; f; f &= ~(1ULL << idx)) {
5872 idx = lowbit64(f) - 1;
5873 fprintf(stderr, " -%c", flag_to_arg[idx]);
5874 }
5875
5876 fprintf(stderr, ". Try running a newer module.\n");
5877 pool_list_free(list);
5878
5879 return (1);
5880 }
5881
5882 for (;;) {
5883 if ((npools = pool_list_count(list)) == 0)
5884 (void) fprintf(stderr, gettext("no pools available\n"));
5885 else {
5886 /*
5887 * If this is the first iteration and -y was supplied
5888 * we skip any printing.
5889 */
5890 boolean_t skip = (omit_since_boot &&
5891 cb.cb_iteration == 0);
5892
5893 /*
5894 * Refresh all statistics. This is done as an
5895 * explicit step before calculating the maximum name
5896 * width, so that any * configuration changes are
5897 * properly accounted for.
5898 */
5899 (void) pool_list_iter(list, B_FALSE, refresh_iostat,
5900 &cb);
5901
5902 /*
5903 * Iterate over all pools to determine the maximum width
5904 * for the pool / device name column across all pools.
5905 */
5906 cb.cb_namewidth = 0;
5907 (void) pool_list_iter(list, B_FALSE,
5908 get_namewidth_iostat, &cb);
5909
5910 if (timestamp_fmt != NODATE)
5911 print_timestamp(timestamp_fmt);
5912
5913 if (cmd != NULL && cb.cb_verbose &&
5914 !(cb.cb_flags & IOS_ANYHISTO_M)) {
5915 cb.vcdl = all_pools_for_each_vdev_run(argc,
5916 argv, cmd, g_zfs, cb.cb_vdevs.cb_names,
5917 cb.cb_vdevs.cb_names_count,
5918 cb.cb_vdevs.cb_name_flags);
5919 } else {
5920 cb.vcdl = NULL;
5921 }
5922
5923
5924 /*
5925 * Check terminal size so we can print headers
5926 * even when terminal window has its height
5927 * changed.
5928 */
5929 winheight = terminal_height();
5930 /*
5931 * Are we connected to TTY? If not, headers_once
5932 * should be true, to avoid breaking scripts.
5933 */
5934 if (winheight < 0)
5935 headers_once = B_TRUE;
5936
5937 /*
5938 * If it's the first time and we're not skipping it,
5939 * or either skip or verbose mode, print the header.
5940 *
5941 * The histogram code explicitly prints its header on
5942 * every vdev, so skip this for histograms.
5943 */
5944 if (((++cb.cb_iteration == 1 && !skip) ||
5945 (skip != verbose) ||
5946 (!headers_once &&
5947 (cb.cb_iteration % winheight) == 0)) &&
5948 (!(cb.cb_flags & IOS_ANYHISTO_M)) &&
5949 !cb.cb_scripted)
5950 print_iostat_header(&cb);
5951
5952 if (skip) {
5953 (void) fsleep(interval);
5954 continue;
5955 }
5956
5957 pool_list_iter(list, B_FALSE, print_iostat, &cb);
5958
5959 /*
5960 * If there's more than one pool, and we're not in
5961 * verbose mode (which prints a separator for us),
5962 * then print a separator.
5963 *
5964 * In addition, if we're printing specific vdevs then
5965 * we also want an ending separator.
5966 */
5967 if (((npools > 1 && !verbose &&
5968 !(cb.cb_flags & IOS_ANYHISTO_M)) ||
5969 (!(cb.cb_flags & IOS_ANYHISTO_M) &&
5970 cb.cb_vdevs.cb_names_count)) &&
5971 !cb.cb_scripted) {
5972 print_iostat_separator(&cb);
5973 if (cb.vcdl != NULL)
5974 print_cmd_columns(cb.vcdl, 1);
5975 printf("\n");
5976 }
5977
5978 if (cb.vcdl != NULL)
5979 free_vdev_cmd_data_list(cb.vcdl);
5980
5981 }
5982
5983 /*
5984 * Flush the output so that redirection to a file isn't buffered
5985 * indefinitely.
5986 */
5987 (void) fflush(stdout);
5988
5989 if (interval == 0)
5990 break;
5991
5992 if (count != 0 && --count == 0)
5993 break;
5994
5995 (void) fsleep(interval);
5996 }
5997
5998 pool_list_free(list);
5999
6000 return (ret);
6001 }
6002
6003 typedef struct list_cbdata {
6004 boolean_t cb_verbose;
6005 int cb_name_flags;
6006 int cb_namewidth;
6007 boolean_t cb_scripted;
6008 zprop_list_t *cb_proplist;
6009 boolean_t cb_literal;
6010 } list_cbdata_t;
6011
6012
6013 /*
6014 * Given a list of columns to display, output appropriate headers for each one.
6015 */
6016 static void
6017 print_header(list_cbdata_t *cb)
6018 {
6019 zprop_list_t *pl = cb->cb_proplist;
6020 char headerbuf[ZPOOL_MAXPROPLEN];
6021 const char *header;
6022 boolean_t first = B_TRUE;
6023 boolean_t right_justify;
6024 size_t width = 0;
6025
6026 for (; pl != NULL; pl = pl->pl_next) {
6027 width = pl->pl_width;
6028 if (first && cb->cb_verbose) {
6029 /*
6030 * Reset the width to accommodate the verbose listing
6031 * of devices.
6032 */
6033 width = cb->cb_namewidth;
6034 }
6035
6036 if (!first)
6037 (void) fputs(" ", stdout);
6038 else
6039 first = B_FALSE;
6040
6041 right_justify = B_FALSE;
6042 if (pl->pl_prop != ZPROP_USERPROP) {
6043 header = zpool_prop_column_name(pl->pl_prop);
6044 right_justify = zpool_prop_align_right(pl->pl_prop);
6045 } else {
6046 int i;
6047
6048 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
6049 headerbuf[i] = toupper(pl->pl_user_prop[i]);
6050 headerbuf[i] = '\0';
6051 header = headerbuf;
6052 }
6053
6054 if (pl->pl_next == NULL && !right_justify)
6055 (void) fputs(header, stdout);
6056 else if (right_justify)
6057 (void) printf("%*s", (int)width, header);
6058 else
6059 (void) printf("%-*s", (int)width, header);
6060 }
6061
6062 (void) fputc('\n', stdout);
6063 }
6064
6065 /*
6066 * Given a pool and a list of properties, print out all the properties according
6067 * to the described layout. Used by zpool_do_list().
6068 */
6069 static void
6070 print_pool(zpool_handle_t *zhp, list_cbdata_t *cb)
6071 {
6072 zprop_list_t *pl = cb->cb_proplist;
6073 boolean_t first = B_TRUE;
6074 char property[ZPOOL_MAXPROPLEN];
6075 const char *propstr;
6076 boolean_t right_justify;
6077 size_t width;
6078
6079 for (; pl != NULL; pl = pl->pl_next) {
6080
6081 width = pl->pl_width;
6082 if (first && cb->cb_verbose) {
6083 /*
6084 * Reset the width to accommodate the verbose listing
6085 * of devices.
6086 */
6087 width = cb->cb_namewidth;
6088 }
6089
6090 if (!first) {
6091 if (cb->cb_scripted)
6092 (void) fputc('\t', stdout);
6093 else
6094 (void) fputs(" ", stdout);
6095 } else {
6096 first = B_FALSE;
6097 }
6098
6099 right_justify = B_FALSE;
6100 if (pl->pl_prop != ZPROP_USERPROP) {
6101 if (zpool_get_prop(zhp, pl->pl_prop, property,
6102 sizeof (property), NULL, cb->cb_literal) != 0)
6103 propstr = "-";
6104 else
6105 propstr = property;
6106
6107 right_justify = zpool_prop_align_right(pl->pl_prop);
6108 } else if ((zpool_prop_feature(pl->pl_user_prop) ||
6109 zpool_prop_unsupported(pl->pl_user_prop)) &&
6110 zpool_prop_get_feature(zhp, pl->pl_user_prop, property,
6111 sizeof (property)) == 0) {
6112 propstr = property;
6113 } else if (zfs_prop_user(pl->pl_user_prop) &&
6114 zpool_get_userprop(zhp, pl->pl_user_prop, property,
6115 sizeof (property), NULL) == 0) {
6116 propstr = property;
6117 } else {
6118 propstr = "-";
6119 }
6120
6121 /*
6122 * If this is being called in scripted mode, or if this is the
6123 * last column and it is left-justified, don't include a width
6124 * format specifier.
6125 */
6126 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
6127 (void) fputs(propstr, stdout);
6128 else if (right_justify)
6129 (void) printf("%*s", (int)width, propstr);
6130 else
6131 (void) printf("%-*s", (int)width, propstr);
6132 }
6133
6134 (void) fputc('\n', stdout);
6135 }
6136
6137 static void
6138 print_one_column(zpool_prop_t prop, uint64_t value, const char *str,
6139 boolean_t scripted, boolean_t valid, enum zfs_nicenum_format format)
6140 {
6141 char propval[64];
6142 boolean_t fixed;
6143 size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL);
6144
6145 switch (prop) {
6146 case ZPOOL_PROP_SIZE:
6147 case ZPOOL_PROP_EXPANDSZ:
6148 case ZPOOL_PROP_CHECKPOINT:
6149 case ZPOOL_PROP_DEDUPRATIO:
6150 if (value == 0)
6151 (void) strlcpy(propval, "-", sizeof (propval));
6152 else
6153 zfs_nicenum_format(value, propval, sizeof (propval),
6154 format);
6155 break;
6156 case ZPOOL_PROP_FRAGMENTATION:
6157 if (value == ZFS_FRAG_INVALID) {
6158 (void) strlcpy(propval, "-", sizeof (propval));
6159 } else if (format == ZFS_NICENUM_RAW) {
6160 (void) snprintf(propval, sizeof (propval), "%llu",
6161 (unsigned long long)value);
6162 } else {
6163 (void) snprintf(propval, sizeof (propval), "%llu%%",
6164 (unsigned long long)value);
6165 }
6166 break;
6167 case ZPOOL_PROP_CAPACITY:
6168 /* capacity value is in parts-per-10,000 (aka permyriad) */
6169 if (format == ZFS_NICENUM_RAW)
6170 (void) snprintf(propval, sizeof (propval), "%llu",
6171 (unsigned long long)value / 100);
6172 else
6173 (void) snprintf(propval, sizeof (propval),
6174 value < 1000 ? "%1.2f%%" : value < 10000 ?
6175 "%2.1f%%" : "%3.0f%%", value / 100.0);
6176 break;
6177 case ZPOOL_PROP_HEALTH:
6178 width = 8;
6179 (void) strlcpy(propval, str, sizeof (propval));
6180 break;
6181 default:
6182 zfs_nicenum_format(value, propval, sizeof (propval), format);
6183 }
6184
6185 if (!valid)
6186 (void) strlcpy(propval, "-", sizeof (propval));
6187
6188 if (scripted)
6189 (void) printf("\t%s", propval);
6190 else
6191 (void) printf(" %*s", (int)width, propval);
6192 }
6193
6194 /*
6195 * print static default line per vdev
6196 * not compatible with '-o' <proplist> option
6197 */
6198 static void
6199 print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
6200 list_cbdata_t *cb, int depth, boolean_t isspare)
6201 {
6202 nvlist_t **child;
6203 vdev_stat_t *vs;
6204 uint_t c, children;
6205 char *vname;
6206 boolean_t scripted = cb->cb_scripted;
6207 uint64_t islog = B_FALSE;
6208 const char *dashes = "%-*s - - - - "
6209 "- - - - -\n";
6210
6211 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
6212 (uint64_t **)&vs, &c) == 0);
6213
6214 if (name != NULL) {
6215 boolean_t toplevel = (vs->vs_space != 0);
6216 uint64_t cap;
6217 enum zfs_nicenum_format format;
6218 const char *state;
6219
6220 if (cb->cb_literal)
6221 format = ZFS_NICENUM_RAW;
6222 else
6223 format = ZFS_NICENUM_1024;
6224
6225 if (strcmp(name, VDEV_TYPE_INDIRECT) == 0)
6226 return;
6227
6228 if (scripted)
6229 (void) printf("\t%s", name);
6230 else if (strlen(name) + depth > cb->cb_namewidth)
6231 (void) printf("%*s%s", depth, "", name);
6232 else
6233 (void) printf("%*s%s%*s", depth, "", name,
6234 (int)(cb->cb_namewidth - strlen(name) - depth), "");
6235
6236 /*
6237 * Print the properties for the individual vdevs. Some
6238 * properties are only applicable to toplevel vdevs. The
6239 * 'toplevel' boolean value is passed to the print_one_column()
6240 * to indicate that the value is valid.
6241 */
6242 if (VDEV_STAT_VALID(vs_pspace, c) && vs->vs_pspace)
6243 print_one_column(ZPOOL_PROP_SIZE, vs->vs_pspace, NULL,
6244 scripted, B_TRUE, format);
6245 else
6246 print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, NULL,
6247 scripted, toplevel, format);
6248 print_one_column(ZPOOL_PROP_ALLOCATED, vs->vs_alloc, NULL,
6249 scripted, toplevel, format);
6250 print_one_column(ZPOOL_PROP_FREE, vs->vs_space - vs->vs_alloc,
6251 NULL, scripted, toplevel, format);
6252 print_one_column(ZPOOL_PROP_CHECKPOINT,
6253 vs->vs_checkpoint_space, NULL, scripted, toplevel, format);
6254 print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, NULL,
6255 scripted, B_TRUE, format);
6256 print_one_column(ZPOOL_PROP_FRAGMENTATION,
6257 vs->vs_fragmentation, NULL, scripted,
6258 (vs->vs_fragmentation != ZFS_FRAG_INVALID && toplevel),
6259 format);
6260 cap = (vs->vs_space == 0) ? 0 :
6261 (vs->vs_alloc * 10000 / vs->vs_space);
6262 print_one_column(ZPOOL_PROP_CAPACITY, cap, NULL,
6263 scripted, toplevel, format);
6264 print_one_column(ZPOOL_PROP_DEDUPRATIO, 0, NULL,
6265 scripted, toplevel, format);
6266 state = zpool_state_to_name(vs->vs_state, vs->vs_aux);
6267 if (isspare) {
6268 if (vs->vs_aux == VDEV_AUX_SPARED)
6269 state = "INUSE";
6270 else if (vs->vs_state == VDEV_STATE_HEALTHY)
6271 state = "AVAIL";
6272 }
6273 print_one_column(ZPOOL_PROP_HEALTH, 0, state, scripted,
6274 B_TRUE, format);
6275 (void) fputc('\n', stdout);
6276 }
6277
6278 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
6279 &child, &children) != 0)
6280 return;
6281
6282 /* list the normal vdevs first */
6283 for (c = 0; c < children; c++) {
6284 uint64_t ishole = B_FALSE;
6285
6286 if (nvlist_lookup_uint64(child[c],
6287 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole)
6288 continue;
6289
6290 if (nvlist_lookup_uint64(child[c],
6291 ZPOOL_CONFIG_IS_LOG, &islog) == 0 && islog)
6292 continue;
6293
6294 if (nvlist_exists(child[c], ZPOOL_CONFIG_ALLOCATION_BIAS))
6295 continue;
6296
6297 vname = zpool_vdev_name(g_zfs, zhp, child[c],
6298 cb->cb_name_flags | VDEV_NAME_TYPE_ID);
6299 print_list_stats(zhp, vname, child[c], cb, depth + 2, B_FALSE);
6300 free(vname);
6301 }
6302
6303 /* list the classes: 'logs', 'dedup', and 'special' */
6304 for (uint_t n = 0; n < ARRAY_SIZE(class_name); n++) {
6305 boolean_t printed = B_FALSE;
6306
6307 for (c = 0; c < children; c++) {
6308 const char *bias = NULL;
6309 const char *type = NULL;
6310
6311 if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
6312 &islog) == 0 && islog) {
6313 bias = VDEV_ALLOC_CLASS_LOGS;
6314 } else {
6315 (void) nvlist_lookup_string(child[c],
6316 ZPOOL_CONFIG_ALLOCATION_BIAS, &bias);
6317 (void) nvlist_lookup_string(child[c],
6318 ZPOOL_CONFIG_TYPE, &type);
6319 }
6320 if (bias == NULL || strcmp(bias, class_name[n]) != 0)
6321 continue;
6322 if (!islog && strcmp(type, VDEV_TYPE_INDIRECT) == 0)
6323 continue;
6324
6325 if (!printed) {
6326 /* LINTED E_SEC_PRINTF_VAR_FMT */
6327 (void) printf(dashes, cb->cb_namewidth,
6328 class_name[n]);
6329 printed = B_TRUE;
6330 }
6331 vname = zpool_vdev_name(g_zfs, zhp, child[c],
6332 cb->cb_name_flags | VDEV_NAME_TYPE_ID);
6333 print_list_stats(zhp, vname, child[c], cb, depth + 2,
6334 B_FALSE);
6335 free(vname);
6336 }
6337 }
6338
6339 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
6340 &child, &children) == 0 && children > 0) {
6341 /* LINTED E_SEC_PRINTF_VAR_FMT */
6342 (void) printf(dashes, cb->cb_namewidth, "cache");
6343 for (c = 0; c < children; c++) {
6344 vname = zpool_vdev_name(g_zfs, zhp, child[c],
6345 cb->cb_name_flags);
6346 print_list_stats(zhp, vname, child[c], cb, depth + 2,
6347 B_FALSE);
6348 free(vname);
6349 }
6350 }
6351
6352 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, &child,
6353 &children) == 0 && children > 0) {
6354 /* LINTED E_SEC_PRINTF_VAR_FMT */
6355 (void) printf(dashes, cb->cb_namewidth, "spare");
6356 for (c = 0; c < children; c++) {
6357 vname = zpool_vdev_name(g_zfs, zhp, child[c],
6358 cb->cb_name_flags);
6359 print_list_stats(zhp, vname, child[c], cb, depth + 2,
6360 B_TRUE);
6361 free(vname);
6362 }
6363 }
6364 }
6365
6366 /*
6367 * Generic callback function to list a pool.
6368 */
6369 static int
6370 list_callback(zpool_handle_t *zhp, void *data)
6371 {
6372 list_cbdata_t *cbp = data;
6373
6374 print_pool(zhp, cbp);
6375
6376 if (cbp->cb_verbose) {
6377 nvlist_t *config, *nvroot;
6378
6379 config = zpool_get_config(zhp, NULL);
6380 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
6381 &nvroot) == 0);
6382 print_list_stats(zhp, NULL, nvroot, cbp, 0, B_FALSE);
6383 }
6384
6385 return (0);
6386 }
6387
6388 /*
6389 * Set the minimum pool/vdev name column width. The width must be at least 9,
6390 * but may be as large as needed.
6391 */
6392 static int
6393 get_namewidth_list(zpool_handle_t *zhp, void *data)
6394 {
6395 list_cbdata_t *cb = data;
6396 int width;
6397
6398 width = get_namewidth(zhp, cb->cb_namewidth,
6399 cb->cb_name_flags | VDEV_NAME_TYPE_ID, cb->cb_verbose);
6400
6401 if (width < 9)
6402 width = 9;
6403
6404 cb->cb_namewidth = width;
6405
6406 return (0);
6407 }
6408
6409 /*
6410 * zpool list [-gHLpP] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
6411 *
6412 * -g Display guid for individual vdev name.
6413 * -H Scripted mode. Don't display headers, and separate properties
6414 * by a single tab.
6415 * -L Follow links when resolving vdev path name.
6416 * -o List of properties to display. Defaults to
6417 * "name,size,allocated,free,expandsize,fragmentation,capacity,"
6418 * "dedupratio,health,altroot"
6419 * -p Display values in parsable (exact) format.
6420 * -P Display full path for vdev name.
6421 * -T Display a timestamp in date(1) or Unix format
6422 *
6423 * List all pools in the system, whether or not they're healthy. Output space
6424 * statistics for each one, as well as health status summary.
6425 */
6426 int
6427 zpool_do_list(int argc, char **argv)
6428 {
6429 int c;
6430 int ret = 0;
6431 list_cbdata_t cb = { 0 };
6432 static char default_props[] =
6433 "name,size,allocated,free,checkpoint,expandsize,fragmentation,"
6434 "capacity,dedupratio,health,altroot";
6435 char *props = default_props;
6436 float interval = 0;
6437 unsigned long count = 0;
6438 zpool_list_t *list;
6439 boolean_t first = B_TRUE;
6440 current_prop_type = ZFS_TYPE_POOL;
6441
6442 /* check options */
6443 while ((c = getopt(argc, argv, ":gHLo:pPT:v")) != -1) {
6444 switch (c) {
6445 case 'g':
6446 cb.cb_name_flags |= VDEV_NAME_GUID;
6447 break;
6448 case 'H':
6449 cb.cb_scripted = B_TRUE;
6450 break;
6451 case 'L':
6452 cb.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
6453 break;
6454 case 'o':
6455 props = optarg;
6456 break;
6457 case 'P':
6458 cb.cb_name_flags |= VDEV_NAME_PATH;
6459 break;
6460 case 'p':
6461 cb.cb_literal = B_TRUE;
6462 break;
6463 case 'T':
6464 get_timestamp_arg(*optarg);
6465 break;
6466 case 'v':
6467 cb.cb_verbose = B_TRUE;
6468 cb.cb_namewidth = 8; /* 8 until precalc is avail */
6469 break;
6470 case ':':
6471 (void) fprintf(stderr, gettext("missing argument for "
6472 "'%c' option\n"), optopt);
6473 usage(B_FALSE);
6474 break;
6475 case '?':
6476 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6477 optopt);
6478 usage(B_FALSE);
6479 }
6480 }
6481
6482 argc -= optind;
6483 argv += optind;
6484
6485 get_interval_count(&argc, argv, &interval, &count);
6486
6487 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0)
6488 usage(B_FALSE);
6489
6490 for (;;) {
6491 if ((list = pool_list_get(argc, argv, &cb.cb_proplist,
6492 ZFS_TYPE_POOL, cb.cb_literal, &ret)) == NULL)
6493 return (1);
6494
6495 if (pool_list_count(list) == 0)
6496 break;
6497
6498 cb.cb_namewidth = 0;
6499 (void) pool_list_iter(list, B_FALSE, get_namewidth_list, &cb);
6500
6501 if (timestamp_fmt != NODATE)
6502 print_timestamp(timestamp_fmt);
6503
6504 if (!cb.cb_scripted && (first || cb.cb_verbose)) {
6505 print_header(&cb);
6506 first = B_FALSE;
6507 }
6508 ret = pool_list_iter(list, B_TRUE, list_callback, &cb);
6509
6510 if (interval == 0)
6511 break;
6512
6513 if (count != 0 && --count == 0)
6514 break;
6515
6516 pool_list_free(list);
6517 (void) fsleep(interval);
6518 }
6519
6520 if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) {
6521 (void) printf(gettext("no pools available\n"));
6522 ret = 0;
6523 }
6524
6525 pool_list_free(list);
6526 zprop_free_list(cb.cb_proplist);
6527 return (ret);
6528 }
6529
6530 static int
6531 zpool_do_attach_or_replace(int argc, char **argv, int replacing)
6532 {
6533 boolean_t force = B_FALSE;
6534 boolean_t rebuild = B_FALSE;
6535 boolean_t wait = B_FALSE;
6536 int c;
6537 nvlist_t *nvroot;
6538 char *poolname, *old_disk, *new_disk;
6539 zpool_handle_t *zhp;
6540 nvlist_t *props = NULL;
6541 char *propval;
6542 int ret;
6543
6544 /* check options */
6545 while ((c = getopt(argc, argv, "fo:sw")) != -1) {
6546 switch (c) {
6547 case 'f':
6548 force = B_TRUE;
6549 break;
6550 case 'o':
6551 if ((propval = strchr(optarg, '=')) == NULL) {
6552 (void) fprintf(stderr, gettext("missing "
6553 "'=' for -o option\n"));
6554 usage(B_FALSE);
6555 }
6556 *propval = '\0';
6557 propval++;
6558
6559 if ((strcmp(optarg, ZPOOL_CONFIG_ASHIFT) != 0) ||
6560 (add_prop_list(optarg, propval, &props, B_TRUE)))
6561 usage(B_FALSE);
6562 break;
6563 case 's':
6564 rebuild = B_TRUE;
6565 break;
6566 case 'w':
6567 wait = B_TRUE;
6568 break;
6569 case '?':
6570 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6571 optopt);
6572 usage(B_FALSE);
6573 }
6574 }
6575
6576 argc -= optind;
6577 argv += optind;
6578
6579 /* get pool name and check number of arguments */
6580 if (argc < 1) {
6581 (void) fprintf(stderr, gettext("missing pool name argument\n"));
6582 usage(B_FALSE);
6583 }
6584
6585 poolname = argv[0];
6586
6587 if (argc < 2) {
6588 (void) fprintf(stderr,
6589 gettext("missing <device> specification\n"));
6590 usage(B_FALSE);
6591 }
6592
6593 old_disk = argv[1];
6594
6595 if (argc < 3) {
6596 if (!replacing) {
6597 (void) fprintf(stderr,
6598 gettext("missing <new_device> specification\n"));
6599 usage(B_FALSE);
6600 }
6601 new_disk = old_disk;
6602 argc -= 1;
6603 argv += 1;
6604 } else {
6605 new_disk = argv[2];
6606 argc -= 2;
6607 argv += 2;
6608 }
6609
6610 if (argc > 1) {
6611 (void) fprintf(stderr, gettext("too many arguments\n"));
6612 usage(B_FALSE);
6613 }
6614
6615 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
6616 nvlist_free(props);
6617 return (1);
6618 }
6619
6620 if (zpool_get_config(zhp, NULL) == NULL) {
6621 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
6622 poolname);
6623 zpool_close(zhp);
6624 nvlist_free(props);
6625 return (1);
6626 }
6627
6628 /* unless manually specified use "ashift" pool property (if set) */
6629 if (!nvlist_exists(props, ZPOOL_CONFIG_ASHIFT)) {
6630 int intval;
6631 zprop_source_t src;
6632 char strval[ZPOOL_MAXPROPLEN];
6633
6634 intval = zpool_get_prop_int(zhp, ZPOOL_PROP_ASHIFT, &src);
6635 if (src != ZPROP_SRC_DEFAULT) {
6636 (void) sprintf(strval, "%" PRId32, intval);
6637 verify(add_prop_list(ZPOOL_CONFIG_ASHIFT, strval,
6638 &props, B_TRUE) == 0);
6639 }
6640 }
6641
6642 nvroot = make_root_vdev(zhp, props, force, B_FALSE, replacing, B_FALSE,
6643 argc, argv);
6644 if (nvroot == NULL) {
6645 zpool_close(zhp);
6646 nvlist_free(props);
6647 return (1);
6648 }
6649
6650 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing,
6651 rebuild);
6652
6653 if (ret == 0 && wait)
6654 ret = zpool_wait(zhp,
6655 replacing ? ZPOOL_WAIT_REPLACE : ZPOOL_WAIT_RESILVER);
6656
6657 nvlist_free(props);
6658 nvlist_free(nvroot);
6659 zpool_close(zhp);
6660
6661 return (ret);
6662 }
6663
6664 /*
6665 * zpool replace [-fsw] [-o property=value] <pool> <device> <new_device>
6666 *
6667 * -f Force attach, even if <new_device> appears to be in use.
6668 * -s Use sequential instead of healing reconstruction for resilver.
6669 * -o Set property=value.
6670 * -w Wait for replacing to complete before returning
6671 *
6672 * Replace <device> with <new_device>.
6673 */
6674 int
6675 zpool_do_replace(int argc, char **argv)
6676 {
6677 return (zpool_do_attach_or_replace(argc, argv, B_TRUE));
6678 }
6679
6680 /*
6681 * zpool attach [-fsw] [-o property=value] <pool> <device> <new_device>
6682 *
6683 * -f Force attach, even if <new_device> appears to be in use.
6684 * -s Use sequential instead of healing reconstruction for resilver.
6685 * -o Set property=value.
6686 * -w Wait for resilvering to complete before returning
6687 *
6688 * Attach <new_device> to the mirror containing <device>. If <device> is not
6689 * part of a mirror, then <device> will be transformed into a mirror of
6690 * <device> and <new_device>. In either case, <new_device> will begin life
6691 * with a DTL of [0, now], and will immediately begin to resilver itself.
6692 */
6693 int
6694 zpool_do_attach(int argc, char **argv)
6695 {
6696 return (zpool_do_attach_or_replace(argc, argv, B_FALSE));
6697 }
6698
6699 /*
6700 * zpool detach [-f] <pool> <device>
6701 *
6702 * -f Force detach of <device>, even if DTLs argue against it
6703 * (not supported yet)
6704 *
6705 * Detach a device from a mirror. The operation will be refused if <device>
6706 * is the last device in the mirror, or if the DTLs indicate that this device
6707 * has the only valid copy of some data.
6708 */
6709 int
6710 zpool_do_detach(int argc, char **argv)
6711 {
6712 int c;
6713 char *poolname, *path;
6714 zpool_handle_t *zhp;
6715 int ret;
6716
6717 /* check options */
6718 while ((c = getopt(argc, argv, "")) != -1) {
6719 switch (c) {
6720 case '?':
6721 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6722 optopt);
6723 usage(B_FALSE);
6724 }
6725 }
6726
6727 argc -= optind;
6728 argv += optind;
6729
6730 /* get pool name and check number of arguments */
6731 if (argc < 1) {
6732 (void) fprintf(stderr, gettext("missing pool name argument\n"));
6733 usage(B_FALSE);
6734 }
6735
6736 if (argc < 2) {
6737 (void) fprintf(stderr,
6738 gettext("missing <device> specification\n"));
6739 usage(B_FALSE);
6740 }
6741
6742 poolname = argv[0];
6743 path = argv[1];
6744
6745 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
6746 return (1);
6747
6748 ret = zpool_vdev_detach(zhp, path);
6749
6750 zpool_close(zhp);
6751
6752 return (ret);
6753 }
6754
6755 /*
6756 * zpool split [-gLnP] [-o prop=val] ...
6757 * [-o mntopt] ...
6758 * [-R altroot] <pool> <newpool> [<device> ...]
6759 *
6760 * -g Display guid for individual vdev name.
6761 * -L Follow links when resolving vdev path name.
6762 * -n Do not split the pool, but display the resulting layout if
6763 * it were to be split.
6764 * -o Set property=value, or set mount options.
6765 * -P Display full path for vdev name.
6766 * -R Mount the split-off pool under an alternate root.
6767 * -l Load encryption keys while importing.
6768 *
6769 * Splits the named pool and gives it the new pool name. Devices to be split
6770 * off may be listed, provided that no more than one device is specified
6771 * per top-level vdev mirror. The newly split pool is left in an exported
6772 * state unless -R is specified.
6773 *
6774 * Restrictions: the top-level of the pool pool must only be made up of
6775 * mirrors; all devices in the pool must be healthy; no device may be
6776 * undergoing a resilvering operation.
6777 */
6778 int
6779 zpool_do_split(int argc, char **argv)
6780 {
6781 char *srcpool, *newpool, *propval;
6782 char *mntopts = NULL;
6783 splitflags_t flags;
6784 int c, ret = 0;
6785 int ms_status = 0;
6786 boolean_t loadkeys = B_FALSE;
6787 zpool_handle_t *zhp;
6788 nvlist_t *config, *props = NULL;
6789
6790 flags.dryrun = B_FALSE;
6791 flags.import = B_FALSE;
6792 flags.name_flags = 0;
6793
6794 /* check options */
6795 while ((c = getopt(argc, argv, ":gLR:lno:P")) != -1) {
6796 switch (c) {
6797 case 'g':
6798 flags.name_flags |= VDEV_NAME_GUID;
6799 break;
6800 case 'L':
6801 flags.name_flags |= VDEV_NAME_FOLLOW_LINKS;
6802 break;
6803 case 'R':
6804 flags.import = B_TRUE;
6805 if (add_prop_list(
6806 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg,
6807 &props, B_TRUE) != 0) {
6808 nvlist_free(props);
6809 usage(B_FALSE);
6810 }
6811 break;
6812 case 'l':
6813 loadkeys = B_TRUE;
6814 break;
6815 case 'n':
6816 flags.dryrun = B_TRUE;
6817 break;
6818 case 'o':
6819 if ((propval = strchr(optarg, '=')) != NULL) {
6820 *propval = '\0';
6821 propval++;
6822 if (add_prop_list(optarg, propval,
6823 &props, B_TRUE) != 0) {
6824 nvlist_free(props);
6825 usage(B_FALSE);
6826 }
6827 } else {
6828 mntopts = optarg;
6829 }
6830 break;
6831 case 'P':
6832 flags.name_flags |= VDEV_NAME_PATH;
6833 break;
6834 case ':':
6835 (void) fprintf(stderr, gettext("missing argument for "
6836 "'%c' option\n"), optopt);
6837 usage(B_FALSE);
6838 break;
6839 case '?':
6840 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6841 optopt);
6842 usage(B_FALSE);
6843 break;
6844 }
6845 }
6846
6847 if (!flags.import && mntopts != NULL) {
6848 (void) fprintf(stderr, gettext("setting mntopts is only "
6849 "valid when importing the pool\n"));
6850 usage(B_FALSE);
6851 }
6852
6853 if (!flags.import && loadkeys) {
6854 (void) fprintf(stderr, gettext("loading keys is only "
6855 "valid when importing the pool\n"));
6856 usage(B_FALSE);
6857 }
6858
6859 argc -= optind;
6860 argv += optind;
6861
6862 if (argc < 1) {
6863 (void) fprintf(stderr, gettext("Missing pool name\n"));
6864 usage(B_FALSE);
6865 }
6866 if (argc < 2) {
6867 (void) fprintf(stderr, gettext("Missing new pool name\n"));
6868 usage(B_FALSE);
6869 }
6870
6871 srcpool = argv[0];
6872 newpool = argv[1];
6873
6874 argc -= 2;
6875 argv += 2;
6876
6877 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) {
6878 nvlist_free(props);
6879 return (1);
6880 }
6881
6882 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv);
6883 if (config == NULL) {
6884 ret = 1;
6885 } else {
6886 if (flags.dryrun) {
6887 (void) printf(gettext("would create '%s' with the "
6888 "following layout:\n\n"), newpool);
6889 print_vdev_tree(NULL, newpool, config, 0, "",
6890 flags.name_flags);
6891 print_vdev_tree(NULL, "dedup", config, 0,
6892 VDEV_ALLOC_BIAS_DEDUP, 0);
6893 print_vdev_tree(NULL, "special", config, 0,
6894 VDEV_ALLOC_BIAS_SPECIAL, 0);
6895 }
6896 }
6897
6898 zpool_close(zhp);
6899
6900 if (ret != 0 || flags.dryrun || !flags.import) {
6901 nvlist_free(config);
6902 nvlist_free(props);
6903 return (ret);
6904 }
6905
6906 /*
6907 * The split was successful. Now we need to open the new
6908 * pool and import it.
6909 */
6910 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) {
6911 nvlist_free(config);
6912 nvlist_free(props);
6913 return (1);
6914 }
6915
6916 if (loadkeys) {
6917 ret = zfs_crypto_attempt_load_keys(g_zfs, newpool);
6918 if (ret != 0)
6919 ret = 1;
6920 }
6921
6922 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL) {
6923 ms_status = zpool_enable_datasets(zhp, mntopts, 0);
6924 if (ms_status == EZFS_SHAREFAILED) {
6925 (void) fprintf(stderr, gettext("Split was successful, "
6926 "datasets are mounted but sharing of some datasets "
6927 "has failed\n"));
6928 } else if (ms_status == EZFS_MOUNTFAILED) {
6929 (void) fprintf(stderr, gettext("Split was successful"
6930 ", but some datasets could not be mounted\n"));
6931 (void) fprintf(stderr, gettext("Try doing '%s' with a "
6932 "different altroot\n"), "zpool import");
6933 }
6934 }
6935 zpool_close(zhp);
6936 nvlist_free(config);
6937 nvlist_free(props);
6938
6939 return (ret);
6940 }
6941
6942
6943
6944 /*
6945 * zpool online <pool> <device> ...
6946 */
6947 int
6948 zpool_do_online(int argc, char **argv)
6949 {
6950 int c, i;
6951 char *poolname;
6952 zpool_handle_t *zhp;
6953 int ret = 0;
6954 vdev_state_t newstate;
6955 int flags = 0;
6956
6957 /* check options */
6958 while ((c = getopt(argc, argv, "e")) != -1) {
6959 switch (c) {
6960 case 'e':
6961 flags |= ZFS_ONLINE_EXPAND;
6962 break;
6963 case '?':
6964 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6965 optopt);
6966 usage(B_FALSE);
6967 }
6968 }
6969
6970 argc -= optind;
6971 argv += optind;
6972
6973 /* get pool name and check number of arguments */
6974 if (argc < 1) {
6975 (void) fprintf(stderr, gettext("missing pool name\n"));
6976 usage(B_FALSE);
6977 }
6978 if (argc < 2) {
6979 (void) fprintf(stderr, gettext("missing device name\n"));
6980 usage(B_FALSE);
6981 }
6982
6983 poolname = argv[0];
6984
6985 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
6986 return (1);
6987
6988 for (i = 1; i < argc; i++) {
6989 vdev_state_t oldstate;
6990 boolean_t avail_spare, l2cache;
6991 nvlist_t *tgt = zpool_find_vdev(zhp, argv[i], &avail_spare,
6992 &l2cache, NULL);
6993 if (tgt == NULL) {
6994 ret = 1;
6995 continue;
6996 }
6997 uint_t vsc;
6998 oldstate = ((vdev_stat_t *)fnvlist_lookup_uint64_array(tgt,
6999 ZPOOL_CONFIG_VDEV_STATS, &vsc))->vs_state;
7000 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) {
7001 if (newstate != VDEV_STATE_HEALTHY) {
7002 (void) printf(gettext("warning: device '%s' "
7003 "onlined, but remains in faulted state\n"),
7004 argv[i]);
7005 if (newstate == VDEV_STATE_FAULTED)
7006 (void) printf(gettext("use 'zpool "
7007 "clear' to restore a faulted "
7008 "device\n"));
7009 else
7010 (void) printf(gettext("use 'zpool "
7011 "replace' to replace devices "
7012 "that are no longer present\n"));
7013 if ((flags & ZFS_ONLINE_EXPAND)) {
7014 (void) printf(gettext("%s: failed "
7015 "to expand usable space on "
7016 "unhealthy device '%s'\n"),
7017 (oldstate >= VDEV_STATE_DEGRADED ?
7018 "error" : "warning"), argv[i]);
7019 if (oldstate >= VDEV_STATE_DEGRADED) {
7020 ret = 1;
7021 break;
7022 }
7023 }
7024 }
7025 } else {
7026 ret = 1;
7027 }
7028 }
7029
7030 zpool_close(zhp);
7031
7032 return (ret);
7033 }
7034
7035 /*
7036 * zpool offline [-ft] <pool> <device> ...
7037 *
7038 * -f Force the device into a faulted state.
7039 *
7040 * -t Only take the device off-line temporarily. The offline/faulted
7041 * state will not be persistent across reboots.
7042 */
7043 int
7044 zpool_do_offline(int argc, char **argv)
7045 {
7046 int c, i;
7047 char *poolname;
7048 zpool_handle_t *zhp;
7049 int ret = 0;
7050 boolean_t istmp = B_FALSE;
7051 boolean_t fault = B_FALSE;
7052
7053 /* check options */
7054 while ((c = getopt(argc, argv, "ft")) != -1) {
7055 switch (c) {
7056 case 'f':
7057 fault = B_TRUE;
7058 break;
7059 case 't':
7060 istmp = B_TRUE;
7061 break;
7062 case '?':
7063 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7064 optopt);
7065 usage(B_FALSE);
7066 }
7067 }
7068
7069 argc -= optind;
7070 argv += optind;
7071
7072 /* get pool name and check number of arguments */
7073 if (argc < 1) {
7074 (void) fprintf(stderr, gettext("missing pool name\n"));
7075 usage(B_FALSE);
7076 }
7077 if (argc < 2) {
7078 (void) fprintf(stderr, gettext("missing device name\n"));
7079 usage(B_FALSE);
7080 }
7081
7082 poolname = argv[0];
7083
7084 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
7085 return (1);
7086
7087 for (i = 1; i < argc; i++) {
7088 if (fault) {
7089 uint64_t guid = zpool_vdev_path_to_guid(zhp, argv[i]);
7090 vdev_aux_t aux;
7091 if (istmp == B_FALSE) {
7092 /* Force the fault to persist across imports */
7093 aux = VDEV_AUX_EXTERNAL_PERSIST;
7094 } else {
7095 aux = VDEV_AUX_EXTERNAL;
7096 }
7097
7098 if (guid == 0 || zpool_vdev_fault(zhp, guid, aux) != 0)
7099 ret = 1;
7100 } else {
7101 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0)
7102 ret = 1;
7103 }
7104 }
7105
7106 zpool_close(zhp);
7107
7108 return (ret);
7109 }
7110
7111 /*
7112 * zpool clear <pool> [device]
7113 *
7114 * Clear all errors associated with a pool or a particular device.
7115 */
7116 int
7117 zpool_do_clear(int argc, char **argv)
7118 {
7119 int c;
7120 int ret = 0;
7121 boolean_t dryrun = B_FALSE;
7122 boolean_t do_rewind = B_FALSE;
7123 boolean_t xtreme_rewind = B_FALSE;
7124 uint32_t rewind_policy = ZPOOL_NO_REWIND;
7125 nvlist_t *policy = NULL;
7126 zpool_handle_t *zhp;
7127 char *pool, *device;
7128
7129 /* check options */
7130 while ((c = getopt(argc, argv, "FnX")) != -1) {
7131 switch (c) {
7132 case 'F':
7133 do_rewind = B_TRUE;
7134 break;
7135 case 'n':
7136 dryrun = B_TRUE;
7137 break;
7138 case 'X':
7139 xtreme_rewind = B_TRUE;
7140 break;
7141 case '?':
7142 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7143 optopt);
7144 usage(B_FALSE);
7145 }
7146 }
7147
7148 argc -= optind;
7149 argv += optind;
7150
7151 if (argc < 1) {
7152 (void) fprintf(stderr, gettext("missing pool name\n"));
7153 usage(B_FALSE);
7154 }
7155
7156 if (argc > 2) {
7157 (void) fprintf(stderr, gettext("too many arguments\n"));
7158 usage(B_FALSE);
7159 }
7160
7161 if ((dryrun || xtreme_rewind) && !do_rewind) {
7162 (void) fprintf(stderr,
7163 gettext("-n or -X only meaningful with -F\n"));
7164 usage(B_FALSE);
7165 }
7166 if (dryrun)
7167 rewind_policy = ZPOOL_TRY_REWIND;
7168 else if (do_rewind)
7169 rewind_policy = ZPOOL_DO_REWIND;
7170 if (xtreme_rewind)
7171 rewind_policy |= ZPOOL_EXTREME_REWIND;
7172
7173 /* In future, further rewind policy choices can be passed along here */
7174 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
7175 nvlist_add_uint32(policy, ZPOOL_LOAD_REWIND_POLICY,
7176 rewind_policy) != 0) {
7177 return (1);
7178 }
7179
7180 pool = argv[0];
7181 device = argc == 2 ? argv[1] : NULL;
7182
7183 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
7184 nvlist_free(policy);
7185 return (1);
7186 }
7187
7188 if (zpool_clear(zhp, device, policy) != 0)
7189 ret = 1;
7190
7191 zpool_close(zhp);
7192
7193 nvlist_free(policy);
7194
7195 return (ret);
7196 }
7197
7198 /*
7199 * zpool reguid <pool>
7200 */
7201 int
7202 zpool_do_reguid(int argc, char **argv)
7203 {
7204 int c;
7205 char *poolname;
7206 zpool_handle_t *zhp;
7207 int ret = 0;
7208
7209 /* check options */
7210 while ((c = getopt(argc, argv, "")) != -1) {
7211 switch (c) {
7212 case '?':
7213 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7214 optopt);
7215 usage(B_FALSE);
7216 }
7217 }
7218
7219 argc -= optind;
7220 argv += optind;
7221
7222 /* get pool name and check number of arguments */
7223 if (argc < 1) {
7224 (void) fprintf(stderr, gettext("missing pool name\n"));
7225 usage(B_FALSE);
7226 }
7227
7228 if (argc > 1) {
7229 (void) fprintf(stderr, gettext("too many arguments\n"));
7230 usage(B_FALSE);
7231 }
7232
7233 poolname = argv[0];
7234 if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
7235 return (1);
7236
7237 ret = zpool_reguid(zhp);
7238
7239 zpool_close(zhp);
7240 return (ret);
7241 }
7242
7243
7244 /*
7245 * zpool reopen <pool>
7246 *
7247 * Reopen the pool so that the kernel can update the sizes of all vdevs.
7248 */
7249 int
7250 zpool_do_reopen(int argc, char **argv)
7251 {
7252 int c;
7253 int ret = 0;
7254 boolean_t scrub_restart = B_TRUE;
7255
7256 /* check options */
7257 while ((c = getopt(argc, argv, "n")) != -1) {
7258 switch (c) {
7259 case 'n':
7260 scrub_restart = B_FALSE;
7261 break;
7262 case '?':
7263 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7264 optopt);
7265 usage(B_FALSE);
7266 }
7267 }
7268
7269 argc -= optind;
7270 argv += optind;
7271
7272 /* if argc == 0 we will execute zpool_reopen_one on all pools */
7273 ret = for_each_pool(argc, argv, B_TRUE, NULL, ZFS_TYPE_POOL,
7274 B_FALSE, zpool_reopen_one, &scrub_restart);
7275
7276 return (ret);
7277 }
7278
7279 typedef struct scrub_cbdata {
7280 int cb_type;
7281 pool_scrub_cmd_t cb_scrub_cmd;
7282 } scrub_cbdata_t;
7283
7284 static boolean_t
7285 zpool_has_checkpoint(zpool_handle_t *zhp)
7286 {
7287 nvlist_t *config, *nvroot;
7288
7289 config = zpool_get_config(zhp, NULL);
7290
7291 if (config != NULL) {
7292 pool_checkpoint_stat_t *pcs = NULL;
7293 uint_t c;
7294
7295 nvroot = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE);
7296 (void) nvlist_lookup_uint64_array(nvroot,
7297 ZPOOL_CONFIG_CHECKPOINT_STATS, (uint64_t **)&pcs, &c);
7298
7299 if (pcs == NULL || pcs->pcs_state == CS_NONE)
7300 return (B_FALSE);
7301
7302 assert(pcs->pcs_state == CS_CHECKPOINT_EXISTS ||
7303 pcs->pcs_state == CS_CHECKPOINT_DISCARDING);
7304 return (B_TRUE);
7305 }
7306
7307 return (B_FALSE);
7308 }
7309
7310 static int
7311 scrub_callback(zpool_handle_t *zhp, void *data)
7312 {
7313 scrub_cbdata_t *cb = data;
7314 int err;
7315
7316 /*
7317 * Ignore faulted pools.
7318 */
7319 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
7320 (void) fprintf(stderr, gettext("cannot scan '%s': pool is "
7321 "currently unavailable\n"), zpool_get_name(zhp));
7322 return (1);
7323 }
7324
7325 err = zpool_scan(zhp, cb->cb_type, cb->cb_scrub_cmd);
7326
7327 if (err == 0 && zpool_has_checkpoint(zhp) &&
7328 cb->cb_type == POOL_SCAN_SCRUB) {
7329 (void) printf(gettext("warning: will not scrub state that "
7330 "belongs to the checkpoint of pool '%s'\n"),
7331 zpool_get_name(zhp));
7332 }
7333
7334 return (err != 0);
7335 }
7336
7337 static int
7338 wait_callback(zpool_handle_t *zhp, void *data)
7339 {
7340 zpool_wait_activity_t *act = data;
7341 return (zpool_wait(zhp, *act));
7342 }
7343
7344 /*
7345 * zpool scrub [-s | -p] [-w] [-e] <pool> ...
7346 *
7347 * -e Only scrub blocks in the error log.
7348 * -s Stop. Stops any in-progress scrub.
7349 * -p Pause. Pause in-progress scrub.
7350 * -w Wait. Blocks until scrub has completed.
7351 */
7352 int
7353 zpool_do_scrub(int argc, char **argv)
7354 {
7355 int c;
7356 scrub_cbdata_t cb;
7357 boolean_t wait = B_FALSE;
7358 int error;
7359
7360 cb.cb_type = POOL_SCAN_SCRUB;
7361 cb.cb_scrub_cmd = POOL_SCRUB_NORMAL;
7362
7363 boolean_t is_error_scrub = B_FALSE;
7364 boolean_t is_pause = B_FALSE;
7365 boolean_t is_stop = B_FALSE;
7366
7367 /* check options */
7368 while ((c = getopt(argc, argv, "spwe")) != -1) {
7369 switch (c) {
7370 case 'e':
7371 is_error_scrub = B_TRUE;
7372 break;
7373 case 's':
7374 is_stop = B_TRUE;
7375 break;
7376 case 'p':
7377 is_pause = B_TRUE;
7378 break;
7379 case 'w':
7380 wait = B_TRUE;
7381 break;
7382 case '?':
7383 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7384 optopt);
7385 usage(B_FALSE);
7386 }
7387 }
7388
7389 if (is_pause && is_stop) {
7390 (void) fprintf(stderr, gettext("invalid option "
7391 "combination :-s and -p are mutually exclusive\n"));
7392 usage(B_FALSE);
7393 } else {
7394 if (is_error_scrub)
7395 cb.cb_type = POOL_SCAN_ERRORSCRUB;
7396
7397 if (is_pause) {
7398 cb.cb_scrub_cmd = POOL_SCRUB_PAUSE;
7399 } else if (is_stop) {
7400 cb.cb_type = POOL_SCAN_NONE;
7401 } else {
7402 cb.cb_scrub_cmd = POOL_SCRUB_NORMAL;
7403 }
7404 }
7405
7406 if (wait && (cb.cb_type == POOL_SCAN_NONE ||
7407 cb.cb_scrub_cmd == POOL_SCRUB_PAUSE)) {
7408 (void) fprintf(stderr, gettext("invalid option combination: "
7409 "-w cannot be used with -p or -s\n"));
7410 usage(B_FALSE);
7411 }
7412
7413 argc -= optind;
7414 argv += optind;
7415
7416 if (argc < 1) {
7417 (void) fprintf(stderr, gettext("missing pool name argument\n"));
7418 usage(B_FALSE);
7419 }
7420
7421 error = for_each_pool(argc, argv, B_TRUE, NULL, ZFS_TYPE_POOL,
7422 B_FALSE, scrub_callback, &cb);
7423
7424 if (wait && !error) {
7425 zpool_wait_activity_t act = ZPOOL_WAIT_SCRUB;
7426 error = for_each_pool(argc, argv, B_TRUE, NULL, ZFS_TYPE_POOL,
7427 B_FALSE, wait_callback, &act);
7428 }
7429
7430 return (error);
7431 }
7432
7433 /*
7434 * zpool resilver <pool> ...
7435 *
7436 * Restarts any in-progress resilver
7437 */
7438 int
7439 zpool_do_resilver(int argc, char **argv)
7440 {
7441 int c;
7442 scrub_cbdata_t cb;
7443
7444 cb.cb_type = POOL_SCAN_RESILVER;
7445 cb.cb_scrub_cmd = POOL_SCRUB_NORMAL;
7446
7447 /* check options */
7448 while ((c = getopt(argc, argv, "")) != -1) {
7449 switch (c) {
7450 case '?':
7451 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7452 optopt);
7453 usage(B_FALSE);
7454 }
7455 }
7456
7457 argc -= optind;
7458 argv += optind;
7459
7460 if (argc < 1) {
7461 (void) fprintf(stderr, gettext("missing pool name argument\n"));
7462 usage(B_FALSE);
7463 }
7464
7465 return (for_each_pool(argc, argv, B_TRUE, NULL, ZFS_TYPE_POOL,
7466 B_FALSE, scrub_callback, &cb));
7467 }
7468
7469 /*
7470 * zpool trim [-d] [-r <rate>] [-c | -s] <pool> [<device> ...]
7471 *
7472 * -c Cancel. Ends any in-progress trim.
7473 * -d Secure trim. Requires kernel and device support.
7474 * -r <rate> Sets the TRIM rate in bytes (per second). Supports
7475 * adding a multiplier suffix such as 'k' or 'm'.
7476 * -s Suspend. TRIM can then be restarted with no flags.
7477 * -w Wait. Blocks until trimming has completed.
7478 */
7479 int
7480 zpool_do_trim(int argc, char **argv)
7481 {
7482 struct option long_options[] = {
7483 {"cancel", no_argument, NULL, 'c'},
7484 {"secure", no_argument, NULL, 'd'},
7485 {"rate", required_argument, NULL, 'r'},
7486 {"suspend", no_argument, NULL, 's'},
7487 {"wait", no_argument, NULL, 'w'},
7488 {0, 0, 0, 0}
7489 };
7490
7491 pool_trim_func_t cmd_type = POOL_TRIM_START;
7492 uint64_t rate = 0;
7493 boolean_t secure = B_FALSE;
7494 boolean_t wait = B_FALSE;
7495
7496 int c;
7497 while ((c = getopt_long(argc, argv, "cdr:sw", long_options, NULL))
7498 != -1) {
7499 switch (c) {
7500 case 'c':
7501 if (cmd_type != POOL_TRIM_START &&
7502 cmd_type != POOL_TRIM_CANCEL) {
7503 (void) fprintf(stderr, gettext("-c cannot be "
7504 "combined with other options\n"));
7505 usage(B_FALSE);
7506 }
7507 cmd_type = POOL_TRIM_CANCEL;
7508 break;
7509 case 'd':
7510 if (cmd_type != POOL_TRIM_START) {
7511 (void) fprintf(stderr, gettext("-d cannot be "
7512 "combined with the -c or -s options\n"));
7513 usage(B_FALSE);
7514 }
7515 secure = B_TRUE;
7516 break;
7517 case 'r':
7518 if (cmd_type != POOL_TRIM_START) {
7519 (void) fprintf(stderr, gettext("-r cannot be "
7520 "combined with the -c or -s options\n"));
7521 usage(B_FALSE);
7522 }
7523 if (zfs_nicestrtonum(g_zfs, optarg, &rate) == -1) {
7524 (void) fprintf(stderr, "%s: %s\n",
7525 gettext("invalid value for rate"),
7526 libzfs_error_description(g_zfs));
7527 usage(B_FALSE);
7528 }
7529 break;
7530 case 's':
7531 if (cmd_type != POOL_TRIM_START &&
7532 cmd_type != POOL_TRIM_SUSPEND) {
7533 (void) fprintf(stderr, gettext("-s cannot be "
7534 "combined with other options\n"));
7535 usage(B_FALSE);
7536 }
7537 cmd_type = POOL_TRIM_SUSPEND;
7538 break;
7539 case 'w':
7540 wait = B_TRUE;
7541 break;
7542 case '?':
7543 if (optopt != 0) {
7544 (void) fprintf(stderr,
7545 gettext("invalid option '%c'\n"), optopt);
7546 } else {
7547 (void) fprintf(stderr,
7548 gettext("invalid option '%s'\n"),
7549 argv[optind - 1]);
7550 }
7551 usage(B_FALSE);
7552 }
7553 }
7554
7555 argc -= optind;
7556 argv += optind;
7557
7558 if (argc < 1) {
7559 (void) fprintf(stderr, gettext("missing pool name argument\n"));
7560 usage(B_FALSE);
7561 return (-1);
7562 }
7563
7564 if (wait && (cmd_type != POOL_TRIM_START)) {
7565 (void) fprintf(stderr, gettext("-w cannot be used with -c or "
7566 "-s\n"));
7567 usage(B_FALSE);
7568 }
7569
7570 char *poolname = argv[0];
7571 zpool_handle_t *zhp = zpool_open(g_zfs, poolname);
7572 if (zhp == NULL)
7573 return (-1);
7574
7575 trimflags_t trim_flags = {
7576 .secure = secure,
7577 .rate = rate,
7578 .wait = wait,
7579 };
7580
7581 nvlist_t *vdevs = fnvlist_alloc();
7582 if (argc == 1) {
7583 /* no individual leaf vdevs specified, so add them all */
7584 nvlist_t *config = zpool_get_config(zhp, NULL);
7585 nvlist_t *nvroot = fnvlist_lookup_nvlist(config,
7586 ZPOOL_CONFIG_VDEV_TREE);
7587 zpool_collect_leaves(zhp, nvroot, vdevs);
7588 trim_flags.fullpool = B_TRUE;
7589 } else {
7590 trim_flags.fullpool = B_FALSE;
7591 for (int i = 1; i < argc; i++) {
7592 fnvlist_add_boolean(vdevs, argv[i]);
7593 }
7594 }
7595
7596 int error = zpool_trim(zhp, cmd_type, vdevs, &trim_flags);
7597
7598 fnvlist_free(vdevs);
7599 zpool_close(zhp);
7600
7601 return (error);
7602 }
7603
7604 /*
7605 * Converts a total number of seconds to a human readable string broken
7606 * down in to days/hours/minutes/seconds.
7607 */
7608 static void
7609 secs_to_dhms(uint64_t total, char *buf)
7610 {
7611 uint64_t days = total / 60 / 60 / 24;
7612 uint64_t hours = (total / 60 / 60) % 24;
7613 uint64_t mins = (total / 60) % 60;
7614 uint64_t secs = (total % 60);
7615
7616 if (days > 0) {
7617 (void) sprintf(buf, "%llu days %02llu:%02llu:%02llu",
7618 (u_longlong_t)days, (u_longlong_t)hours,
7619 (u_longlong_t)mins, (u_longlong_t)secs);
7620 } else {
7621 (void) sprintf(buf, "%02llu:%02llu:%02llu",
7622 (u_longlong_t)hours, (u_longlong_t)mins,
7623 (u_longlong_t)secs);
7624 }
7625 }
7626
7627 /*
7628 * Print out detailed error scrub status.
7629 */
7630 static void
7631 print_err_scrub_status(pool_scan_stat_t *ps)
7632 {
7633 time_t start, end, pause;
7634 uint64_t total_secs_left;
7635 uint64_t secs_left, mins_left, hours_left, days_left;
7636 uint64_t examined, to_be_examined;
7637
7638 if (ps == NULL || ps->pss_error_scrub_func != POOL_SCAN_ERRORSCRUB) {
7639 return;
7640 }
7641
7642 (void) printf(gettext(" scrub: "));
7643
7644 start = ps->pss_error_scrub_start;
7645 end = ps->pss_error_scrub_end;
7646 pause = ps->pss_pass_error_scrub_pause;
7647 examined = ps->pss_error_scrub_examined;
7648 to_be_examined = ps->pss_error_scrub_to_be_examined;
7649
7650 assert(ps->pss_error_scrub_func == POOL_SCAN_ERRORSCRUB);
7651
7652 if (ps->pss_error_scrub_state == DSS_FINISHED) {
7653 total_secs_left = end - start;
7654 days_left = total_secs_left / 60 / 60 / 24;
7655 hours_left = (total_secs_left / 60 / 60) % 24;
7656 mins_left = (total_secs_left / 60) % 60;
7657 secs_left = (total_secs_left % 60);
7658
7659 (void) printf(gettext("scrubbed %llu error blocks in %llu days "
7660 "%02llu:%02llu:%02llu on %s"), (u_longlong_t)examined,
7661 (u_longlong_t)days_left, (u_longlong_t)hours_left,
7662 (u_longlong_t)mins_left, (u_longlong_t)secs_left,
7663 ctime(&end));
7664
7665 return;
7666 } else if (ps->pss_error_scrub_state == DSS_CANCELED) {
7667 (void) printf(gettext("error scrub canceled on %s"),
7668 ctime(&end));
7669 return;
7670 }
7671 assert(ps->pss_error_scrub_state == DSS_ERRORSCRUBBING);
7672
7673 /* Error scrub is in progress. */
7674 if (pause == 0) {
7675 (void) printf(gettext("error scrub in progress since %s"),
7676 ctime(&start));
7677 } else {
7678 (void) printf(gettext("error scrub paused since %s"),
7679 ctime(&pause));
7680 (void) printf(gettext("\terror scrub started on %s"),
7681 ctime(&start));
7682 }
7683
7684 double fraction_done = (double)examined / (to_be_examined + examined);
7685 (void) printf(gettext("\t%.2f%% done, issued I/O for %llu error"
7686 " blocks"), 100 * fraction_done, (u_longlong_t)examined);
7687
7688 (void) printf("\n");
7689 }
7690
7691 /*
7692 * Print out detailed scrub status.
7693 */
7694 static void
7695 print_scan_scrub_resilver_status(pool_scan_stat_t *ps)
7696 {
7697 time_t start, end, pause;
7698 uint64_t pass_scanned, scanned, pass_issued, issued, total_s, total_i;
7699 uint64_t elapsed, scan_rate, issue_rate;
7700 double fraction_done;
7701 char processed_buf[7], scanned_buf[7], issued_buf[7], total_s_buf[7];
7702 char total_i_buf[7], srate_buf[7], irate_buf[7], time_buf[32];
7703
7704 printf(" ");
7705 printf_color(ANSI_BOLD, gettext("scan:"));
7706 printf(" ");
7707
7708 /* If there's never been a scan, there's not much to say. */
7709 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE ||
7710 ps->pss_func >= POOL_SCAN_FUNCS) {
7711 (void) printf(gettext("none requested\n"));
7712 return;
7713 }
7714
7715 start = ps->pss_start_time;
7716 end = ps->pss_end_time;
7717 pause = ps->pss_pass_scrub_pause;
7718
7719 zfs_nicebytes(ps->pss_processed, processed_buf, sizeof (processed_buf));
7720
7721 int is_resilver = ps->pss_func == POOL_SCAN_RESILVER;
7722 int is_scrub = ps->pss_func == POOL_SCAN_SCRUB;
7723 assert(is_resilver || is_scrub);
7724
7725 /* Scan is finished or canceled. */
7726 if (ps->pss_state == DSS_FINISHED) {
7727 secs_to_dhms(end - start, time_buf);
7728
7729 if (is_scrub) {
7730 (void) printf(gettext("scrub repaired %s "
7731 "in %s with %llu errors on %s"), processed_buf,
7732 time_buf, (u_longlong_t)ps->pss_errors,
7733 ctime(&end));
7734 } else if (is_resilver) {
7735 (void) printf(gettext("resilvered %s "
7736 "in %s with %llu errors on %s"), processed_buf,
7737 time_buf, (u_longlong_t)ps->pss_errors,
7738 ctime(&end));
7739 }
7740 return;
7741 } else if (ps->pss_state == DSS_CANCELED) {
7742 if (is_scrub) {
7743 (void) printf(gettext("scrub canceled on %s"),
7744 ctime(&end));
7745 } else if (is_resilver) {
7746 (void) printf(gettext("resilver canceled on %s"),
7747 ctime(&end));
7748 }
7749 return;
7750 }
7751
7752 assert(ps->pss_state == DSS_SCANNING);
7753
7754 /* Scan is in progress. Resilvers can't be paused. */
7755 if (is_scrub) {
7756 if (pause == 0) {
7757 (void) printf(gettext("scrub in progress since %s"),
7758 ctime(&start));
7759 } else {
7760 (void) printf(gettext("scrub paused since %s"),
7761 ctime(&pause));
7762 (void) printf(gettext("\tscrub started on %s"),
7763 ctime(&start));
7764 }
7765 } else if (is_resilver) {
7766 (void) printf(gettext("resilver in progress since %s"),
7767 ctime(&start));
7768 }
7769
7770 scanned = ps->pss_examined;
7771 pass_scanned = ps->pss_pass_exam;
7772 issued = ps->pss_issued;
7773 pass_issued = ps->pss_pass_issued;
7774 total_s = ps->pss_to_examine;
7775 total_i = ps->pss_to_examine - ps->pss_skipped;
7776
7777 /* we are only done with a block once we have issued the IO for it */
7778 fraction_done = (double)issued / total_i;
7779
7780 /* elapsed time for this pass, rounding up to 1 if it's 0 */
7781 elapsed = time(NULL) - ps->pss_pass_start;
7782 elapsed -= ps->pss_pass_scrub_spent_paused;
7783 elapsed = (elapsed != 0) ? elapsed : 1;
7784
7785 scan_rate = pass_scanned / elapsed;
7786 issue_rate = pass_issued / elapsed;
7787
7788 /* format all of the numbers we will be reporting */
7789 zfs_nicebytes(scanned, scanned_buf, sizeof (scanned_buf));
7790 zfs_nicebytes(issued, issued_buf, sizeof (issued_buf));
7791 zfs_nicebytes(total_s, total_s_buf, sizeof (total_s_buf));
7792 zfs_nicebytes(total_i, total_i_buf, sizeof (total_i_buf));
7793
7794 /* do not print estimated time if we have a paused scrub */
7795 (void) printf(gettext("\t%s / %s scanned"), scanned_buf, total_s_buf);
7796 if (pause == 0 && scan_rate > 0) {
7797 zfs_nicebytes(scan_rate, srate_buf, sizeof (srate_buf));
7798 (void) printf(gettext(" at %s/s"), srate_buf);
7799 }
7800 (void) printf(gettext(", %s / %s issued"), issued_buf, total_i_buf);
7801 if (pause == 0 && issue_rate > 0) {
7802 zfs_nicebytes(issue_rate, irate_buf, sizeof (irate_buf));
7803 (void) printf(gettext(" at %s/s"), irate_buf);
7804 }
7805 (void) printf(gettext("\n"));
7806
7807 if (is_resilver) {
7808 (void) printf(gettext("\t%s resilvered, %.2f%% done"),
7809 processed_buf, 100 * fraction_done);
7810 } else if (is_scrub) {
7811 (void) printf(gettext("\t%s repaired, %.2f%% done"),
7812 processed_buf, 100 * fraction_done);
7813 }
7814
7815 if (pause == 0) {
7816 /*
7817 * Only provide an estimate iff:
7818 * 1) we haven't yet issued all we expected, and
7819 * 2) the issue rate exceeds 10 MB/s, and
7820 * 3) it's either:
7821 * a) a resilver which has started repairs, or
7822 * b) a scrub which has entered the issue phase.
7823 */
7824 if (total_i >= issued && issue_rate >= 10 * 1024 * 1024 &&
7825 ((is_resilver && ps->pss_processed > 0) ||
7826 (is_scrub && issued > 0))) {
7827 secs_to_dhms((total_i - issued) / issue_rate, time_buf);
7828 (void) printf(gettext(", %s to go\n"), time_buf);
7829 } else {
7830 (void) printf(gettext(", no estimated "
7831 "completion time\n"));
7832 }
7833 } else {
7834 (void) printf(gettext("\n"));
7835 }
7836 }
7837
7838 static void
7839 print_rebuild_status_impl(vdev_rebuild_stat_t *vrs, uint_t c, char *vdev_name)
7840 {
7841 if (vrs == NULL || vrs->vrs_state == VDEV_REBUILD_NONE)
7842 return;
7843
7844 printf(" ");
7845 printf_color(ANSI_BOLD, gettext("scan:"));
7846 printf(" ");
7847
7848 uint64_t bytes_scanned = vrs->vrs_bytes_scanned;
7849 uint64_t bytes_issued = vrs->vrs_bytes_issued;
7850 uint64_t bytes_rebuilt = vrs->vrs_bytes_rebuilt;
7851 uint64_t bytes_est_s = vrs->vrs_bytes_est;
7852 uint64_t bytes_est_i = vrs->vrs_bytes_est;
7853 if (c > offsetof(vdev_rebuild_stat_t, vrs_pass_bytes_skipped) / 8)
7854 bytes_est_i -= vrs->vrs_pass_bytes_skipped;
7855 uint64_t scan_rate = (vrs->vrs_pass_bytes_scanned /
7856 (vrs->vrs_pass_time_ms + 1)) * 1000;
7857 uint64_t issue_rate = (vrs->vrs_pass_bytes_issued /
7858 (vrs->vrs_pass_time_ms + 1)) * 1000;
7859 double scan_pct = MIN((double)bytes_scanned * 100 /
7860 (bytes_est_s + 1), 100);
7861
7862 /* Format all of the numbers we will be reporting */
7863 char bytes_scanned_buf[7], bytes_issued_buf[7];
7864 char bytes_rebuilt_buf[7], bytes_est_s_buf[7], bytes_est_i_buf[7];
7865 char scan_rate_buf[7], issue_rate_buf[7], time_buf[32];
7866 zfs_nicebytes(bytes_scanned, bytes_scanned_buf,
7867 sizeof (bytes_scanned_buf));
7868 zfs_nicebytes(bytes_issued, bytes_issued_buf,
7869 sizeof (bytes_issued_buf));
7870 zfs_nicebytes(bytes_rebuilt, bytes_rebuilt_buf,
7871 sizeof (bytes_rebuilt_buf));
7872 zfs_nicebytes(bytes_est_s, bytes_est_s_buf, sizeof (bytes_est_s_buf));
7873 zfs_nicebytes(bytes_est_i, bytes_est_i_buf, sizeof (bytes_est_i_buf));
7874
7875 time_t start = vrs->vrs_start_time;
7876 time_t end = vrs->vrs_end_time;
7877
7878 /* Rebuild is finished or canceled. */
7879 if (vrs->vrs_state == VDEV_REBUILD_COMPLETE) {
7880 secs_to_dhms(vrs->vrs_scan_time_ms / 1000, time_buf);
7881 (void) printf(gettext("resilvered (%s) %s in %s "
7882 "with %llu errors on %s"), vdev_name, bytes_rebuilt_buf,
7883 time_buf, (u_longlong_t)vrs->vrs_errors, ctime(&end));
7884 return;
7885 } else if (vrs->vrs_state == VDEV_REBUILD_CANCELED) {
7886 (void) printf(gettext("resilver (%s) canceled on %s"),
7887 vdev_name, ctime(&end));
7888 return;
7889 } else if (vrs->vrs_state == VDEV_REBUILD_ACTIVE) {
7890 (void) printf(gettext("resilver (%s) in progress since %s"),
7891 vdev_name, ctime(&start));
7892 }
7893
7894 assert(vrs->vrs_state == VDEV_REBUILD_ACTIVE);
7895
7896 (void) printf(gettext("\t%s / %s scanned"), bytes_scanned_buf,
7897 bytes_est_s_buf);
7898 if (scan_rate > 0) {
7899 zfs_nicebytes(scan_rate, scan_rate_buf, sizeof (scan_rate_buf));
7900 (void) printf(gettext(" at %s/s"), scan_rate_buf);
7901 }
7902 (void) printf(gettext(", %s / %s issued"), bytes_issued_buf,
7903 bytes_est_i_buf);
7904 if (issue_rate > 0) {
7905 zfs_nicebytes(issue_rate, issue_rate_buf,
7906 sizeof (issue_rate_buf));
7907 (void) printf(gettext(" at %s/s"), issue_rate_buf);
7908 }
7909 (void) printf(gettext("\n"));
7910
7911 (void) printf(gettext("\t%s resilvered, %.2f%% done"),
7912 bytes_rebuilt_buf, scan_pct);
7913
7914 if (vrs->vrs_state == VDEV_REBUILD_ACTIVE) {
7915 if (bytes_est_s >= bytes_scanned &&
7916 scan_rate >= 10 * 1024 * 1024) {
7917 secs_to_dhms((bytes_est_s - bytes_scanned) / scan_rate,
7918 time_buf);
7919 (void) printf(gettext(", %s to go\n"), time_buf);
7920 } else {
7921 (void) printf(gettext(", no estimated "
7922 "completion time\n"));
7923 }
7924 } else {
7925 (void) printf(gettext("\n"));
7926 }
7927 }
7928
7929 /*
7930 * Print rebuild status for top-level vdevs.
7931 */
7932 static void
7933 print_rebuild_status(zpool_handle_t *zhp, nvlist_t *nvroot)
7934 {
7935 nvlist_t **child;
7936 uint_t children;
7937
7938 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
7939 &child, &children) != 0)
7940 children = 0;
7941
7942 for (uint_t c = 0; c < children; c++) {
7943 vdev_rebuild_stat_t *vrs;
7944 uint_t i;
7945
7946 if (nvlist_lookup_uint64_array(child[c],
7947 ZPOOL_CONFIG_REBUILD_STATS, (uint64_t **)&vrs, &i) == 0) {
7948 char *name = zpool_vdev_name(g_zfs, zhp,
7949 child[c], VDEV_NAME_TYPE_ID);
7950 print_rebuild_status_impl(vrs, i, name);
7951 free(name);
7952 }
7953 }
7954 }
7955
7956 /*
7957 * As we don't scrub checkpointed blocks, we want to warn the user that we
7958 * skipped scanning some blocks if a checkpoint exists or existed at any
7959 * time during the scan. If a sequential instead of healing reconstruction
7960 * was performed then the blocks were reconstructed. However, their checksums
7961 * have not been verified so we still print the warning.
7962 */
7963 static void
7964 print_checkpoint_scan_warning(pool_scan_stat_t *ps, pool_checkpoint_stat_t *pcs)
7965 {
7966 if (ps == NULL || pcs == NULL)
7967 return;
7968
7969 if (pcs->pcs_state == CS_NONE ||
7970 pcs->pcs_state == CS_CHECKPOINT_DISCARDING)
7971 return;
7972
7973 assert(pcs->pcs_state == CS_CHECKPOINT_EXISTS);
7974
7975 if (ps->pss_state == DSS_NONE)
7976 return;
7977
7978 if ((ps->pss_state == DSS_FINISHED || ps->pss_state == DSS_CANCELED) &&
7979 ps->pss_end_time < pcs->pcs_start_time)
7980 return;
7981
7982 if (ps->pss_state == DSS_FINISHED || ps->pss_state == DSS_CANCELED) {
7983 (void) printf(gettext(" scan warning: skipped blocks "
7984 "that are only referenced by the checkpoint.\n"));
7985 } else {
7986 assert(ps->pss_state == DSS_SCANNING);
7987 (void) printf(gettext(" scan warning: skipping blocks "
7988 "that are only referenced by the checkpoint.\n"));
7989 }
7990 }
7991
7992 /*
7993 * Returns B_TRUE if there is an active rebuild in progress. Otherwise,
7994 * B_FALSE is returned and 'rebuild_end_time' is set to the end time for
7995 * the last completed (or cancelled) rebuild.
7996 */
7997 static boolean_t
7998 check_rebuilding(nvlist_t *nvroot, uint64_t *rebuild_end_time)
7999 {
8000 nvlist_t **child;
8001 uint_t children;
8002 boolean_t rebuilding = B_FALSE;
8003 uint64_t end_time = 0;
8004
8005 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
8006 &child, &children) != 0)
8007 children = 0;
8008
8009 for (uint_t c = 0; c < children; c++) {
8010 vdev_rebuild_stat_t *vrs;
8011 uint_t i;
8012
8013 if (nvlist_lookup_uint64_array(child[c],
8014 ZPOOL_CONFIG_REBUILD_STATS, (uint64_t **)&vrs, &i) == 0) {
8015
8016 if (vrs->vrs_end_time > end_time)
8017 end_time = vrs->vrs_end_time;
8018
8019 if (vrs->vrs_state == VDEV_REBUILD_ACTIVE) {
8020 rebuilding = B_TRUE;
8021 end_time = 0;
8022 break;
8023 }
8024 }
8025 }
8026
8027 if (rebuild_end_time != NULL)
8028 *rebuild_end_time = end_time;
8029
8030 return (rebuilding);
8031 }
8032
8033 /*
8034 * Print the scan status.
8035 */
8036 static void
8037 print_scan_status(zpool_handle_t *zhp, nvlist_t *nvroot)
8038 {
8039 uint64_t rebuild_end_time = 0, resilver_end_time = 0;
8040 boolean_t have_resilver = B_FALSE, have_scrub = B_FALSE;
8041 boolean_t have_errorscrub = B_FALSE;
8042 boolean_t active_resilver = B_FALSE;
8043 pool_checkpoint_stat_t *pcs = NULL;
8044 pool_scan_stat_t *ps = NULL;
8045 uint_t c;
8046 time_t scrub_start = 0, errorscrub_start = 0;
8047
8048 if (nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_SCAN_STATS,
8049 (uint64_t **)&ps, &c) == 0) {
8050 if (ps->pss_func == POOL_SCAN_RESILVER) {
8051 resilver_end_time = ps->pss_end_time;
8052 active_resilver = (ps->pss_state == DSS_SCANNING);
8053 }
8054
8055 have_resilver = (ps->pss_func == POOL_SCAN_RESILVER);
8056 have_scrub = (ps->pss_func == POOL_SCAN_SCRUB);
8057 scrub_start = ps->pss_start_time;
8058 if (c > offsetof(pool_scan_stat_t,
8059 pss_pass_error_scrub_pause) / 8) {
8060 have_errorscrub = (ps->pss_error_scrub_func ==
8061 POOL_SCAN_ERRORSCRUB);
8062 errorscrub_start = ps->pss_error_scrub_start;
8063 }
8064 }
8065
8066 boolean_t active_rebuild = check_rebuilding(nvroot, &rebuild_end_time);
8067 boolean_t have_rebuild = (active_rebuild || (rebuild_end_time > 0));
8068
8069 /* Always print the scrub status when available. */
8070 if (have_scrub && scrub_start > errorscrub_start)
8071 print_scan_scrub_resilver_status(ps);
8072 else if (have_errorscrub && errorscrub_start >= scrub_start)
8073 print_err_scrub_status(ps);
8074
8075 /*
8076 * When there is an active resilver or rebuild print its status.
8077 * Otherwise print the status of the last resilver or rebuild.
8078 */
8079 if (active_resilver || (!active_rebuild && have_resilver &&
8080 resilver_end_time && resilver_end_time > rebuild_end_time)) {
8081 print_scan_scrub_resilver_status(ps);
8082 } else if (active_rebuild || (!active_resilver && have_rebuild &&
8083 rebuild_end_time && rebuild_end_time > resilver_end_time)) {
8084 print_rebuild_status(zhp, nvroot);
8085 }
8086
8087 (void) nvlist_lookup_uint64_array(nvroot,
8088 ZPOOL_CONFIG_CHECKPOINT_STATS, (uint64_t **)&pcs, &c);
8089 print_checkpoint_scan_warning(ps, pcs);
8090 }
8091
8092 /*
8093 * Print out detailed removal status.
8094 */
8095 static void
8096 print_removal_status(zpool_handle_t *zhp, pool_removal_stat_t *prs)
8097 {
8098 char copied_buf[7], examined_buf[7], total_buf[7], rate_buf[7];
8099 time_t start, end;
8100 nvlist_t *config, *nvroot;
8101 nvlist_t **child;
8102 uint_t children;
8103 char *vdev_name;
8104
8105 if (prs == NULL || prs->prs_state == DSS_NONE)
8106 return;
8107
8108 /*
8109 * Determine name of vdev.
8110 */
8111 config = zpool_get_config(zhp, NULL);
8112 nvroot = fnvlist_lookup_nvlist(config,
8113 ZPOOL_CONFIG_VDEV_TREE);
8114 verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
8115 &child, &children) == 0);
8116 assert(prs->prs_removing_vdev < children);
8117 vdev_name = zpool_vdev_name(g_zfs, zhp,
8118 child[prs->prs_removing_vdev], B_TRUE);
8119
8120 printf_color(ANSI_BOLD, gettext("remove: "));
8121
8122 start = prs->prs_start_time;
8123 end = prs->prs_end_time;
8124 zfs_nicenum(prs->prs_copied, copied_buf, sizeof (copied_buf));
8125
8126 /*
8127 * Removal is finished or canceled.
8128 */
8129 if (prs->prs_state == DSS_FINISHED) {
8130 uint64_t minutes_taken = (end - start) / 60;
8131
8132 (void) printf(gettext("Removal of vdev %llu copied %s "
8133 "in %lluh%um, completed on %s"),
8134 (longlong_t)prs->prs_removing_vdev,
8135 copied_buf,
8136 (u_longlong_t)(minutes_taken / 60),
8137 (uint_t)(minutes_taken % 60),
8138 ctime((time_t *)&end));
8139 } else if (prs->prs_state == DSS_CANCELED) {
8140 (void) printf(gettext("Removal of %s canceled on %s"),
8141 vdev_name, ctime(&end));
8142 } else {
8143 uint64_t copied, total, elapsed, mins_left, hours_left;
8144 double fraction_done;
8145 uint_t rate;
8146
8147 assert(prs->prs_state == DSS_SCANNING);
8148
8149 /*
8150 * Removal is in progress.
8151 */
8152 (void) printf(gettext(
8153 "Evacuation of %s in progress since %s"),
8154 vdev_name, ctime(&start));
8155
8156 copied = prs->prs_copied > 0 ? prs->prs_copied : 1;
8157 total = prs->prs_to_copy;
8158 fraction_done = (double)copied / total;
8159
8160 /* elapsed time for this pass */
8161 elapsed = time(NULL) - prs->prs_start_time;
8162 elapsed = elapsed > 0 ? elapsed : 1;
8163 rate = copied / elapsed;
8164 rate = rate > 0 ? rate : 1;
8165 mins_left = ((total - copied) / rate) / 60;
8166 hours_left = mins_left / 60;
8167
8168 zfs_nicenum(copied, examined_buf, sizeof (examined_buf));
8169 zfs_nicenum(total, total_buf, sizeof (total_buf));
8170 zfs_nicenum(rate, rate_buf, sizeof (rate_buf));
8171
8172 /*
8173 * do not print estimated time if hours_left is more than
8174 * 30 days
8175 */
8176 (void) printf(gettext(
8177 "\t%s copied out of %s at %s/s, %.2f%% done"),
8178 examined_buf, total_buf, rate_buf, 100 * fraction_done);
8179 if (hours_left < (30 * 24)) {
8180 (void) printf(gettext(", %lluh%um to go\n"),
8181 (u_longlong_t)hours_left, (uint_t)(mins_left % 60));
8182 } else {
8183 (void) printf(gettext(
8184 ", (copy is slow, no estimated time)\n"));
8185 }
8186 }
8187 free(vdev_name);
8188
8189 if (prs->prs_mapping_memory > 0) {
8190 char mem_buf[7];
8191 zfs_nicenum(prs->prs_mapping_memory, mem_buf, sizeof (mem_buf));
8192 (void) printf(gettext(
8193 "\t%s memory used for removed device mappings\n"),
8194 mem_buf);
8195 }
8196 }
8197
8198 static void
8199 print_checkpoint_status(pool_checkpoint_stat_t *pcs)
8200 {
8201 time_t start;
8202 char space_buf[7];
8203
8204 if (pcs == NULL || pcs->pcs_state == CS_NONE)
8205 return;
8206
8207 (void) printf(gettext("checkpoint: "));
8208
8209 start = pcs->pcs_start_time;
8210 zfs_nicenum(pcs->pcs_space, space_buf, sizeof (space_buf));
8211
8212 if (pcs->pcs_state == CS_CHECKPOINT_EXISTS) {
8213 char *date = ctime(&start);
8214
8215 /*
8216 * ctime() adds a newline at the end of the generated
8217 * string, thus the weird format specifier and the
8218 * strlen() call used to chop it off from the output.
8219 */
8220 (void) printf(gettext("created %.*s, consumes %s\n"),
8221 (int)(strlen(date) - 1), date, space_buf);
8222 return;
8223 }
8224
8225 assert(pcs->pcs_state == CS_CHECKPOINT_DISCARDING);
8226
8227 (void) printf(gettext("discarding, %s remaining.\n"),
8228 space_buf);
8229 }
8230
8231 static void
8232 print_error_log(zpool_handle_t *zhp)
8233 {
8234 nvlist_t *nverrlist = NULL;
8235 nvpair_t *elem;
8236 char *pathname;
8237 size_t len = MAXPATHLEN * 2;
8238
8239 if (zpool_get_errlog(zhp, &nverrlist) != 0)
8240 return;
8241
8242 (void) printf("errors: Permanent errors have been "
8243 "detected in the following files:\n\n");
8244
8245 pathname = safe_malloc(len);
8246 elem = NULL;
8247 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) {
8248 nvlist_t *nv;
8249 uint64_t dsobj, obj;
8250
8251 verify(nvpair_value_nvlist(elem, &nv) == 0);
8252 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET,
8253 &dsobj) == 0);
8254 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT,
8255 &obj) == 0);
8256 zpool_obj_to_path(zhp, dsobj, obj, pathname, len);
8257 (void) printf("%7s %s\n", "", pathname);
8258 }
8259 free(pathname);
8260 nvlist_free(nverrlist);
8261 }
8262
8263 static void
8264 print_spares(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t **spares,
8265 uint_t nspares)
8266 {
8267 uint_t i;
8268 char *name;
8269
8270 if (nspares == 0)
8271 return;
8272
8273 (void) printf(gettext("\tspares\n"));
8274
8275 for (i = 0; i < nspares; i++) {
8276 name = zpool_vdev_name(g_zfs, zhp, spares[i],
8277 cb->cb_name_flags);
8278 print_status_config(zhp, cb, name, spares[i], 2, B_TRUE, NULL);
8279 free(name);
8280 }
8281 }
8282
8283 static void
8284 print_l2cache(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t **l2cache,
8285 uint_t nl2cache)
8286 {
8287 uint_t i;
8288 char *name;
8289
8290 if (nl2cache == 0)
8291 return;
8292
8293 (void) printf(gettext("\tcache\n"));
8294
8295 for (i = 0; i < nl2cache; i++) {
8296 name = zpool_vdev_name(g_zfs, zhp, l2cache[i],
8297 cb->cb_name_flags);
8298 print_status_config(zhp, cb, name, l2cache[i], 2,
8299 B_FALSE, NULL);
8300 free(name);
8301 }
8302 }
8303
8304 static void
8305 print_dedup_stats(nvlist_t *config)
8306 {
8307 ddt_histogram_t *ddh;
8308 ddt_stat_t *dds;
8309 ddt_object_t *ddo;
8310 uint_t c;
8311 char dspace[6], mspace[6];
8312
8313 /*
8314 * If the pool was faulted then we may not have been able to
8315 * obtain the config. Otherwise, if we have anything in the dedup
8316 * table continue processing the stats.
8317 */
8318 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS,
8319 (uint64_t **)&ddo, &c) != 0)
8320 return;
8321
8322 (void) printf("\n");
8323 (void) printf(gettext(" dedup: "));
8324 if (ddo->ddo_count == 0) {
8325 (void) printf(gettext("no DDT entries\n"));
8326 return;
8327 }
8328
8329 zfs_nicebytes(ddo->ddo_dspace, dspace, sizeof (dspace));
8330 zfs_nicebytes(ddo->ddo_mspace, mspace, sizeof (mspace));
8331 (void) printf("DDT entries %llu, size %s on disk, %s in core\n",
8332 (u_longlong_t)ddo->ddo_count,
8333 dspace,
8334 mspace);
8335
8336 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS,
8337 (uint64_t **)&dds, &c) == 0);
8338 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM,
8339 (uint64_t **)&ddh, &c) == 0);
8340 zpool_dump_ddt(dds, ddh);
8341 }
8342
8343 /*
8344 * Display a summary of pool status. Displays a summary such as:
8345 *
8346 * pool: tank
8347 * status: DEGRADED
8348 * reason: One or more devices ...
8349 * see: https://openzfs.github.io/openzfs-docs/msg/ZFS-xxxx-01
8350 * config:
8351 * mirror DEGRADED
8352 * c1t0d0 OK
8353 * c2t0d0 UNAVAIL
8354 *
8355 * When given the '-v' option, we print out the complete config. If the '-e'
8356 * option is specified, then we print out error rate information as well.
8357 */
8358 static int
8359 status_callback(zpool_handle_t *zhp, void *data)
8360 {
8361 status_cbdata_t *cbp = data;
8362 nvlist_t *config, *nvroot;
8363 const char *msgid;
8364 zpool_status_t reason;
8365 zpool_errata_t errata;
8366 const char *health;
8367 uint_t c;
8368 vdev_stat_t *vs;
8369
8370 config = zpool_get_config(zhp, NULL);
8371 reason = zpool_get_status(zhp, &msgid, &errata);
8372
8373 cbp->cb_count++;
8374
8375 /*
8376 * If we were given 'zpool status -x', only report those pools with
8377 * problems.
8378 */
8379 if (cbp->cb_explain &&
8380 (reason == ZPOOL_STATUS_OK ||
8381 reason == ZPOOL_STATUS_VERSION_OLDER ||
8382 reason == ZPOOL_STATUS_FEAT_DISABLED ||
8383 reason == ZPOOL_STATUS_COMPATIBILITY_ERR ||
8384 reason == ZPOOL_STATUS_INCOMPATIBLE_FEAT)) {
8385 if (!cbp->cb_allpools) {
8386 (void) printf(gettext("pool '%s' is healthy\n"),
8387 zpool_get_name(zhp));
8388 if (cbp->cb_first)
8389 cbp->cb_first = B_FALSE;
8390 }
8391 return (0);
8392 }
8393
8394 if (cbp->cb_first)
8395 cbp->cb_first = B_FALSE;
8396 else
8397 (void) printf("\n");
8398
8399 nvroot = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE);
8400 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
8401 (uint64_t **)&vs, &c) == 0);
8402
8403 health = zpool_get_state_str(zhp);
8404
8405 printf(" ");
8406 printf_color(ANSI_BOLD, gettext("pool:"));
8407 printf(" %s\n", zpool_get_name(zhp));
8408 fputc(' ', stdout);
8409 printf_color(ANSI_BOLD, gettext("state: "));
8410
8411 printf_color(health_str_to_color(health), "%s", health);
8412
8413 fputc('\n', stdout);
8414
8415 switch (reason) {
8416 case ZPOOL_STATUS_MISSING_DEV_R:
8417 printf_color(ANSI_BOLD, gettext("status: "));
8418 printf_color(ANSI_YELLOW, gettext("One or more devices could "
8419 "not be opened. Sufficient replicas exist for\n\tthe pool "
8420 "to continue functioning in a degraded state.\n"));
8421 printf_color(ANSI_BOLD, gettext("action: "));
8422 printf_color(ANSI_YELLOW, gettext("Attach the missing device "
8423 "and online it using 'zpool online'.\n"));
8424 break;
8425
8426 case ZPOOL_STATUS_MISSING_DEV_NR:
8427 printf_color(ANSI_BOLD, gettext("status: "));
8428 printf_color(ANSI_YELLOW, gettext("One or more devices could "
8429 "not be opened. There are insufficient\n\treplicas for the"
8430 " pool to continue functioning.\n"));
8431 printf_color(ANSI_BOLD, gettext("action: "));
8432 printf_color(ANSI_YELLOW, gettext("Attach the missing device "
8433 "and online it using 'zpool online'.\n"));
8434 break;
8435
8436 case ZPOOL_STATUS_CORRUPT_LABEL_R:
8437 printf_color(ANSI_BOLD, gettext("status: "));
8438 printf_color(ANSI_YELLOW, gettext("One or more devices could "
8439 "not be used because the label is missing or\n\tinvalid. "
8440 "Sufficient replicas exist for the pool to continue\n\t"
8441 "functioning in a degraded state.\n"));
8442 printf_color(ANSI_BOLD, gettext("action: "));
8443 printf_color(ANSI_YELLOW, gettext("Replace the device using "
8444 "'zpool replace'.\n"));
8445 break;
8446
8447 case ZPOOL_STATUS_CORRUPT_LABEL_NR:
8448 printf_color(ANSI_BOLD, gettext("status: "));
8449 printf_color(ANSI_YELLOW, gettext("One or more devices could "
8450 "not be used because the label is missing \n\tor invalid. "
8451 "There are insufficient replicas for the pool to "
8452 "continue\n\tfunctioning.\n"));
8453 zpool_explain_recover(zpool_get_handle(zhp),
8454 zpool_get_name(zhp), reason, config);
8455 break;
8456
8457 case ZPOOL_STATUS_FAILING_DEV:
8458 printf_color(ANSI_BOLD, gettext("status: "));
8459 printf_color(ANSI_YELLOW, gettext("One or more devices has "
8460 "experienced an unrecoverable error. An\n\tattempt was "
8461 "made to correct the error. Applications are "
8462 "unaffected.\n"));
8463 printf_color(ANSI_BOLD, gettext("action: "));
8464 printf_color(ANSI_YELLOW, gettext("Determine if the "
8465 "device needs to be replaced, and clear the errors\n\tusing"
8466 " 'zpool clear' or replace the device with 'zpool "
8467 "replace'.\n"));
8468 break;
8469
8470 case ZPOOL_STATUS_OFFLINE_DEV:
8471 printf_color(ANSI_BOLD, gettext("status: "));
8472 printf_color(ANSI_YELLOW, gettext("One or more devices has "
8473 "been taken offline by the administrator.\n\tSufficient "
8474 "replicas exist for the pool to continue functioning in "
8475 "a\n\tdegraded state.\n"));
8476 printf_color(ANSI_BOLD, gettext("action: "));
8477 printf_color(ANSI_YELLOW, gettext("Online the device "
8478 "using 'zpool online' or replace the device with\n\t'zpool "
8479 "replace'.\n"));
8480 break;
8481
8482 case ZPOOL_STATUS_REMOVED_DEV:
8483 printf_color(ANSI_BOLD, gettext("status: "));
8484 printf_color(ANSI_YELLOW, gettext("One or more devices has "
8485 "been removed by the administrator.\n\tSufficient "
8486 "replicas exist for the pool to continue functioning in "
8487 "a\n\tdegraded state.\n"));
8488 printf_color(ANSI_BOLD, gettext("action: "));
8489 printf_color(ANSI_YELLOW, gettext("Online the device "
8490 "using zpool online' or replace the device with\n\t'zpool "
8491 "replace'.\n"));
8492 break;
8493
8494 case ZPOOL_STATUS_RESILVERING:
8495 case ZPOOL_STATUS_REBUILDING:
8496 printf_color(ANSI_BOLD, gettext("status: "));
8497 printf_color(ANSI_YELLOW, gettext("One or more devices is "
8498 "currently being resilvered. The pool will\n\tcontinue "
8499 "to function, possibly in a degraded state.\n"));
8500 printf_color(ANSI_BOLD, gettext("action: "));
8501 printf_color(ANSI_YELLOW, gettext("Wait for the resilver to "
8502 "complete.\n"));
8503 break;
8504
8505 case ZPOOL_STATUS_REBUILD_SCRUB:
8506 printf_color(ANSI_BOLD, gettext("status: "));
8507 printf_color(ANSI_YELLOW, gettext("One or more devices have "
8508 "been sequentially resilvered, scrubbing\n\tthe pool "
8509 "is recommended.\n"));
8510 printf_color(ANSI_BOLD, gettext("action: "));
8511 printf_color(ANSI_YELLOW, gettext("Use 'zpool scrub' to "
8512 "verify all data checksums.\n"));
8513 break;
8514
8515 case ZPOOL_STATUS_CORRUPT_DATA:
8516 printf_color(ANSI_BOLD, gettext("status: "));
8517 printf_color(ANSI_YELLOW, gettext("One or more devices has "
8518 "experienced an error resulting in data\n\tcorruption. "
8519 "Applications may be affected.\n"));
8520 printf_color(ANSI_BOLD, gettext("action: "));
8521 printf_color(ANSI_YELLOW, gettext("Restore the file in question"
8522 " if possible. Otherwise restore the\n\tentire pool from "
8523 "backup.\n"));
8524 break;
8525
8526 case ZPOOL_STATUS_CORRUPT_POOL:
8527 printf_color(ANSI_BOLD, gettext("status: "));
8528 printf_color(ANSI_YELLOW, gettext("The pool metadata is "
8529 "corrupted and the pool cannot be opened.\n"));
8530 zpool_explain_recover(zpool_get_handle(zhp),
8531 zpool_get_name(zhp), reason, config);
8532 break;
8533
8534 case ZPOOL_STATUS_VERSION_OLDER:
8535 printf_color(ANSI_BOLD, gettext("status: "));
8536 printf_color(ANSI_YELLOW, gettext("The pool is formatted using "
8537 "a legacy on-disk format. The pool can\n\tstill be used, "
8538 "but some features are unavailable.\n"));
8539 printf_color(ANSI_BOLD, gettext("action: "));
8540 printf_color(ANSI_YELLOW, gettext("Upgrade the pool using "
8541 "'zpool upgrade'. Once this is done, the\n\tpool will no "
8542 "longer be accessible on software that does not support\n\t"
8543 "feature flags.\n"));
8544 break;
8545
8546 case ZPOOL_STATUS_VERSION_NEWER:
8547 printf_color(ANSI_BOLD, gettext("status: "));
8548 printf_color(ANSI_YELLOW, gettext("The pool has been upgraded "
8549 "to a newer, incompatible on-disk version.\n\tThe pool "
8550 "cannot be accessed on this system.\n"));
8551 printf_color(ANSI_BOLD, gettext("action: "));
8552 printf_color(ANSI_YELLOW, gettext("Access the pool from a "
8553 "system running more recent software, or\n\trestore the "
8554 "pool from backup.\n"));
8555 break;
8556
8557 case ZPOOL_STATUS_FEAT_DISABLED:
8558 printf_color(ANSI_BOLD, gettext("status: "));
8559 printf_color(ANSI_YELLOW, gettext("Some supported and "
8560 "requested features are not enabled on the pool.\n\t"
8561 "The pool can still be used, but some features are "
8562 "unavailable.\n"));
8563 printf_color(ANSI_BOLD, gettext("action: "));
8564 printf_color(ANSI_YELLOW, gettext("Enable all features using "
8565 "'zpool upgrade'. Once this is done,\n\tthe pool may no "
8566 "longer be accessible by software that does not support\n\t"
8567 "the features. See zpool-features(7) for details.\n"));
8568 break;
8569
8570 case ZPOOL_STATUS_COMPATIBILITY_ERR:
8571 printf_color(ANSI_BOLD, gettext("status: "));
8572 printf_color(ANSI_YELLOW, gettext("This pool has a "
8573 "compatibility list specified, but it could not be\n\t"
8574 "read/parsed at this time. The pool can still be used, "
8575 "but this\n\tshould be investigated.\n"));
8576 printf_color(ANSI_BOLD, gettext("action: "));
8577 printf_color(ANSI_YELLOW, gettext("Check the value of the "
8578 "'compatibility' property against the\n\t"
8579 "appropriate file in " ZPOOL_SYSCONF_COMPAT_D " or "
8580 ZPOOL_DATA_COMPAT_D ".\n"));
8581 break;
8582
8583 case ZPOOL_STATUS_INCOMPATIBLE_FEAT:
8584 printf_color(ANSI_BOLD, gettext("status: "));
8585 printf_color(ANSI_YELLOW, gettext("One or more features "
8586 "are enabled on the pool despite not being\n\t"
8587 "requested by the 'compatibility' property.\n"));
8588 printf_color(ANSI_BOLD, gettext("action: "));
8589 printf_color(ANSI_YELLOW, gettext("Consider setting "
8590 "'compatibility' to an appropriate value, or\n\t"
8591 "adding needed features to the relevant file in\n\t"
8592 ZPOOL_SYSCONF_COMPAT_D " or " ZPOOL_DATA_COMPAT_D ".\n"));
8593 break;
8594
8595 case ZPOOL_STATUS_UNSUP_FEAT_READ:
8596 printf_color(ANSI_BOLD, gettext("status: "));
8597 printf_color(ANSI_YELLOW, gettext("The pool cannot be accessed "
8598 "on this system because it uses the\n\tfollowing feature(s)"
8599 " not supported on this system:\n"));
8600 zpool_print_unsup_feat(config);
8601 (void) printf("\n");
8602 printf_color(ANSI_BOLD, gettext("action: "));
8603 printf_color(ANSI_YELLOW, gettext("Access the pool from a "
8604 "system that supports the required feature(s),\n\tor "
8605 "restore the pool from backup.\n"));
8606 break;
8607
8608 case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
8609 printf_color(ANSI_BOLD, gettext("status: "));
8610 printf_color(ANSI_YELLOW, gettext("The pool can only be "
8611 "accessed in read-only mode on this system. It\n\tcannot be"
8612 " accessed in read-write mode because it uses the "
8613 "following\n\tfeature(s) not supported on this system:\n"));
8614 zpool_print_unsup_feat(config);
8615 (void) printf("\n");
8616 printf_color(ANSI_BOLD, gettext("action: "));
8617 printf_color(ANSI_YELLOW, gettext("The pool cannot be accessed "
8618 "in read-write mode. Import the pool with\n"
8619 "\t\"-o readonly=on\", access the pool from a system that "
8620 "supports the\n\trequired feature(s), or restore the "
8621 "pool from backup.\n"));
8622 break;
8623
8624 case ZPOOL_STATUS_FAULTED_DEV_R:
8625 printf_color(ANSI_BOLD, gettext("status: "));
8626 printf_color(ANSI_YELLOW, gettext("One or more devices are "
8627 "faulted in response to persistent errors.\n\tSufficient "
8628 "replicas exist for the pool to continue functioning "
8629 "in a\n\tdegraded state.\n"));
8630 printf_color(ANSI_BOLD, gettext("action: "));
8631 printf_color(ANSI_YELLOW, gettext("Replace the faulted device, "
8632 "or use 'zpool clear' to mark the device\n\trepaired.\n"));
8633 break;
8634
8635 case ZPOOL_STATUS_FAULTED_DEV_NR:
8636 printf_color(ANSI_BOLD, gettext("status: "));
8637 printf_color(ANSI_YELLOW, gettext("One or more devices are "
8638 "faulted in response to persistent errors. There are "
8639 "insufficient replicas for the pool to\n\tcontinue "
8640 "functioning.\n"));
8641 printf_color(ANSI_BOLD, gettext("action: "));
8642 printf_color(ANSI_YELLOW, gettext("Destroy and re-create the "
8643 "pool from a backup source. Manually marking the device\n"
8644 "\trepaired using 'zpool clear' may allow some data "
8645 "to be recovered.\n"));
8646 break;
8647
8648 case ZPOOL_STATUS_IO_FAILURE_MMP:
8649 printf_color(ANSI_BOLD, gettext("status: "));
8650 printf_color(ANSI_YELLOW, gettext("The pool is suspended "
8651 "because multihost writes failed or were delayed;\n\t"
8652 "another system could import the pool undetected.\n"));
8653 printf_color(ANSI_BOLD, gettext("action: "));
8654 printf_color(ANSI_YELLOW, gettext("Make sure the pool's devices"
8655 " are connected, then reboot your system and\n\timport the "
8656 "pool.\n"));
8657 break;
8658
8659 case ZPOOL_STATUS_IO_FAILURE_WAIT:
8660 case ZPOOL_STATUS_IO_FAILURE_CONTINUE:
8661 printf_color(ANSI_BOLD, gettext("status: "));
8662 printf_color(ANSI_YELLOW, gettext("One or more devices are "
8663 "faulted in response to IO failures.\n"));
8664 printf_color(ANSI_BOLD, gettext("action: "));
8665 printf_color(ANSI_YELLOW, gettext("Make sure the affected "
8666 "devices are connected, then run 'zpool clear'.\n"));
8667 break;
8668
8669 case ZPOOL_STATUS_BAD_LOG:
8670 printf_color(ANSI_BOLD, gettext("status: "));
8671 printf_color(ANSI_YELLOW, gettext("An intent log record "
8672 "could not be read.\n"
8673 "\tWaiting for administrator intervention to fix the "
8674 "faulted pool.\n"));
8675 printf_color(ANSI_BOLD, gettext("action: "));
8676 printf_color(ANSI_YELLOW, gettext("Either restore the affected "
8677 "device(s) and run 'zpool online',\n"
8678 "\tor ignore the intent log records by running "
8679 "'zpool clear'.\n"));
8680 break;
8681
8682 case ZPOOL_STATUS_NON_NATIVE_ASHIFT:
8683 (void) printf(gettext("status: One or more devices are "
8684 "configured to use a non-native block size.\n"
8685 "\tExpect reduced performance.\n"));
8686 (void) printf(gettext("action: Replace affected devices with "
8687 "devices that support the\n\tconfigured block size, or "
8688 "migrate data to a properly configured\n\tpool.\n"));
8689 break;
8690
8691 case ZPOOL_STATUS_HOSTID_MISMATCH:
8692 printf_color(ANSI_BOLD, gettext("status: "));
8693 printf_color(ANSI_YELLOW, gettext("Mismatch between pool hostid"
8694 " and system hostid on imported pool.\n\tThis pool was "
8695 "previously imported into a system with a different "
8696 "hostid,\n\tand then was verbatim imported into this "
8697 "system.\n"));
8698 printf_color(ANSI_BOLD, gettext("action: "));
8699 printf_color(ANSI_YELLOW, gettext("Export this pool on all "
8700 "systems on which it is imported.\n"
8701 "\tThen import it to correct the mismatch.\n"));
8702 break;
8703
8704 case ZPOOL_STATUS_ERRATA:
8705 printf_color(ANSI_BOLD, gettext("status: "));
8706 printf_color(ANSI_YELLOW, gettext("Errata #%d detected.\n"),
8707 errata);
8708
8709 switch (errata) {
8710 case ZPOOL_ERRATA_NONE:
8711 break;
8712
8713 case ZPOOL_ERRATA_ZOL_2094_SCRUB:
8714 printf_color(ANSI_BOLD, gettext("action: "));
8715 printf_color(ANSI_YELLOW, gettext("To correct the issue"
8716 " run 'zpool scrub'.\n"));
8717 break;
8718
8719 case ZPOOL_ERRATA_ZOL_6845_ENCRYPTION:
8720 (void) printf(gettext("\tExisting encrypted datasets "
8721 "contain an on-disk incompatibility\n\twhich "
8722 "needs to be corrected.\n"));
8723 printf_color(ANSI_BOLD, gettext("action: "));
8724 printf_color(ANSI_YELLOW, gettext("To correct the issue"
8725 " backup existing encrypted datasets to new\n\t"
8726 "encrypted datasets and destroy the old ones. "
8727 "'zfs mount -o ro' can\n\tbe used to temporarily "
8728 "mount existing encrypted datasets readonly.\n"));
8729 break;
8730
8731 case ZPOOL_ERRATA_ZOL_8308_ENCRYPTION:
8732 (void) printf(gettext("\tExisting encrypted snapshots "
8733 "and bookmarks contain an on-disk\n\tincompat"
8734 "ibility. This may cause on-disk corruption if "
8735 "they are used\n\twith 'zfs recv'.\n"));
8736 printf_color(ANSI_BOLD, gettext("action: "));
8737 printf_color(ANSI_YELLOW, gettext("To correct the"
8738 "issue, enable the bookmark_v2 feature. No "
8739 "additional\n\taction is needed if there are no "
8740 "encrypted snapshots or bookmarks.\n\tIf preserving"
8741 "the encrypted snapshots and bookmarks is required,"
8742 " use\n\ta non-raw send to backup and restore them."
8743 " Alternately, they may be\n\tremoved to resolve "
8744 "the incompatibility.\n"));
8745 break;
8746
8747 default:
8748 /*
8749 * All errata which allow the pool to be imported
8750 * must contain an action message.
8751 */
8752 assert(0);
8753 }
8754 break;
8755
8756 default:
8757 /*
8758 * The remaining errors can't actually be generated, yet.
8759 */
8760 assert(reason == ZPOOL_STATUS_OK);
8761 }
8762
8763 if (msgid != NULL) {
8764 printf(" ");
8765 printf_color(ANSI_BOLD, gettext("see:"));
8766 printf(gettext(
8767 " https://openzfs.github.io/openzfs-docs/msg/%s\n"),
8768 msgid);
8769 }
8770
8771 if (config != NULL) {
8772 uint64_t nerr;
8773 nvlist_t **spares, **l2cache;
8774 uint_t nspares, nl2cache;
8775 pool_checkpoint_stat_t *pcs = NULL;
8776 pool_removal_stat_t *prs = NULL;
8777
8778 print_scan_status(zhp, nvroot);
8779
8780 (void) nvlist_lookup_uint64_array(nvroot,
8781 ZPOOL_CONFIG_REMOVAL_STATS, (uint64_t **)&prs, &c);
8782 print_removal_status(zhp, prs);
8783
8784 (void) nvlist_lookup_uint64_array(nvroot,
8785 ZPOOL_CONFIG_CHECKPOINT_STATS, (uint64_t **)&pcs, &c);
8786 print_checkpoint_status(pcs);
8787
8788 cbp->cb_namewidth = max_width(zhp, nvroot, 0, 0,
8789 cbp->cb_name_flags | VDEV_NAME_TYPE_ID);
8790 if (cbp->cb_namewidth < 10)
8791 cbp->cb_namewidth = 10;
8792
8793 color_start(ANSI_BOLD);
8794 (void) printf(gettext("config:\n\n"));
8795 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s"),
8796 cbp->cb_namewidth, "NAME", "STATE", "READ", "WRITE",
8797 "CKSUM");
8798 color_end();
8799
8800 if (cbp->cb_print_slow_ios) {
8801 printf_color(ANSI_BOLD, " %5s", gettext("SLOW"));
8802 }
8803
8804 if (cbp->vcdl != NULL)
8805 print_cmd_columns(cbp->vcdl, 0);
8806
8807 printf("\n");
8808
8809 print_status_config(zhp, cbp, zpool_get_name(zhp), nvroot, 0,
8810 B_FALSE, NULL);
8811
8812 print_class_vdevs(zhp, cbp, nvroot, VDEV_ALLOC_BIAS_DEDUP);
8813 print_class_vdevs(zhp, cbp, nvroot, VDEV_ALLOC_BIAS_SPECIAL);
8814 print_class_vdevs(zhp, cbp, nvroot, VDEV_ALLOC_CLASS_LOGS);
8815
8816 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
8817 &l2cache, &nl2cache) == 0)
8818 print_l2cache(zhp, cbp, l2cache, nl2cache);
8819
8820 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
8821 &spares, &nspares) == 0)
8822 print_spares(zhp, cbp, spares, nspares);
8823
8824 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT,
8825 &nerr) == 0) {
8826 (void) printf("\n");
8827 if (nerr == 0) {
8828 (void) printf(gettext(
8829 "errors: No known data errors\n"));
8830 } else if (!cbp->cb_verbose) {
8831 (void) printf(gettext("errors: %llu data "
8832 "errors, use '-v' for a list\n"),
8833 (u_longlong_t)nerr);
8834 } else {
8835 print_error_log(zhp);
8836 }
8837 }
8838
8839 if (cbp->cb_dedup_stats)
8840 print_dedup_stats(config);
8841 } else {
8842 (void) printf(gettext("config: The configuration cannot be "
8843 "determined.\n"));
8844 }
8845
8846 return (0);
8847 }
8848
8849 /*
8850 * zpool status [-c [script1,script2,...]] [-igLpPstvx] [-T d|u] [pool] ...
8851 * [interval [count]]
8852 *
8853 * -c CMD For each vdev, run command CMD
8854 * -i Display vdev initialization status.
8855 * -g Display guid for individual vdev name.
8856 * -L Follow links when resolving vdev path name.
8857 * -p Display values in parsable (exact) format.
8858 * -P Display full path for vdev name.
8859 * -s Display slow IOs column.
8860 * -v Display complete error logs
8861 * -x Display only pools with potential problems
8862 * -D Display dedup status (undocumented)
8863 * -t Display vdev TRIM status.
8864 * -T Display a timestamp in date(1) or Unix format
8865 *
8866 * Describes the health status of all pools or some subset.
8867 */
8868 int
8869 zpool_do_status(int argc, char **argv)
8870 {
8871 int c;
8872 int ret;
8873 float interval = 0;
8874 unsigned long count = 0;
8875 status_cbdata_t cb = { 0 };
8876 char *cmd = NULL;
8877
8878 /* check options */
8879 while ((c = getopt(argc, argv, "c:igLpPsvxDtT:")) != -1) {
8880 switch (c) {
8881 case 'c':
8882 if (cmd != NULL) {
8883 fprintf(stderr,
8884 gettext("Can't set -c flag twice\n"));
8885 exit(1);
8886 }
8887
8888 if (getenv("ZPOOL_SCRIPTS_ENABLED") != NULL &&
8889 !libzfs_envvar_is_set("ZPOOL_SCRIPTS_ENABLED")) {
8890 fprintf(stderr, gettext(
8891 "Can't run -c, disabled by "
8892 "ZPOOL_SCRIPTS_ENABLED.\n"));
8893 exit(1);
8894 }
8895
8896 if ((getuid() <= 0 || geteuid() <= 0) &&
8897 !libzfs_envvar_is_set("ZPOOL_SCRIPTS_AS_ROOT")) {
8898 fprintf(stderr, gettext(
8899 "Can't run -c with root privileges "
8900 "unless ZPOOL_SCRIPTS_AS_ROOT is set.\n"));
8901 exit(1);
8902 }
8903 cmd = optarg;
8904 break;
8905 case 'i':
8906 cb.cb_print_vdev_init = B_TRUE;
8907 break;
8908 case 'g':
8909 cb.cb_name_flags |= VDEV_NAME_GUID;
8910 break;
8911 case 'L':
8912 cb.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
8913 break;
8914 case 'p':
8915 cb.cb_literal = B_TRUE;
8916 break;
8917 case 'P':
8918 cb.cb_name_flags |= VDEV_NAME_PATH;
8919 break;
8920 case 's':
8921 cb.cb_print_slow_ios = B_TRUE;
8922 break;
8923 case 'v':
8924 cb.cb_verbose = B_TRUE;
8925 break;
8926 case 'x':
8927 cb.cb_explain = B_TRUE;
8928 break;
8929 case 'D':
8930 cb.cb_dedup_stats = B_TRUE;
8931 break;
8932 case 't':
8933 cb.cb_print_vdev_trim = B_TRUE;
8934 break;
8935 case 'T':
8936 get_timestamp_arg(*optarg);
8937 break;
8938 case '?':
8939 if (optopt == 'c') {
8940 print_zpool_script_list("status");
8941 exit(0);
8942 } else {
8943 fprintf(stderr,
8944 gettext("invalid option '%c'\n"), optopt);
8945 }
8946 usage(B_FALSE);
8947 }
8948 }
8949
8950 argc -= optind;
8951 argv += optind;
8952
8953 get_interval_count(&argc, argv, &interval, &count);
8954
8955 if (argc == 0)
8956 cb.cb_allpools = B_TRUE;
8957
8958 cb.cb_first = B_TRUE;
8959 cb.cb_print_status = B_TRUE;
8960
8961 for (;;) {
8962 if (timestamp_fmt != NODATE)
8963 print_timestamp(timestamp_fmt);
8964
8965 if (cmd != NULL)
8966 cb.vcdl = all_pools_for_each_vdev_run(argc, argv, cmd,
8967 NULL, NULL, 0, 0);
8968
8969 ret = for_each_pool(argc, argv, B_TRUE, NULL, ZFS_TYPE_POOL,
8970 cb.cb_literal, status_callback, &cb);
8971
8972 if (cb.vcdl != NULL)
8973 free_vdev_cmd_data_list(cb.vcdl);
8974
8975 if (argc == 0 && cb.cb_count == 0)
8976 (void) fprintf(stderr, gettext("no pools available\n"));
8977 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools)
8978 (void) printf(gettext("all pools are healthy\n"));
8979
8980 if (ret != 0)
8981 return (ret);
8982
8983 if (interval == 0)
8984 break;
8985
8986 if (count != 0 && --count == 0)
8987 break;
8988
8989 (void) fsleep(interval);
8990 }
8991
8992 return (0);
8993 }
8994
8995 typedef struct upgrade_cbdata {
8996 int cb_first;
8997 int cb_argc;
8998 uint64_t cb_version;
8999 char **cb_argv;
9000 } upgrade_cbdata_t;
9001
9002 static int
9003 check_unsupp_fs(zfs_handle_t *zhp, void *unsupp_fs)
9004 {
9005 int zfs_version = (int)zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
9006 int *count = (int *)unsupp_fs;
9007
9008 if (zfs_version > ZPL_VERSION) {
9009 (void) printf(gettext("%s (v%d) is not supported by this "
9010 "implementation of ZFS.\n"),
9011 zfs_get_name(zhp), zfs_version);
9012 (*count)++;
9013 }
9014
9015 zfs_iter_filesystems_v2(zhp, 0, check_unsupp_fs, unsupp_fs);
9016
9017 zfs_close(zhp);
9018
9019 return (0);
9020 }
9021
9022 static int
9023 upgrade_version(zpool_handle_t *zhp, uint64_t version)
9024 {
9025 int ret;
9026 nvlist_t *config;
9027 uint64_t oldversion;
9028 int unsupp_fs = 0;
9029
9030 config = zpool_get_config(zhp, NULL);
9031 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
9032 &oldversion) == 0);
9033
9034 char compat[ZFS_MAXPROPLEN];
9035 if (zpool_get_prop(zhp, ZPOOL_PROP_COMPATIBILITY, compat,
9036 ZFS_MAXPROPLEN, NULL, B_FALSE) != 0)
9037 compat[0] = '\0';
9038
9039 assert(SPA_VERSION_IS_SUPPORTED(oldversion));
9040 assert(oldversion < version);
9041
9042 ret = zfs_iter_root(zpool_get_handle(zhp), check_unsupp_fs, &unsupp_fs);
9043 if (ret != 0)
9044 return (ret);
9045
9046 if (unsupp_fs) {
9047 (void) fprintf(stderr, gettext("Upgrade not performed due "
9048 "to %d unsupported filesystems (max v%d).\n"),
9049 unsupp_fs, (int)ZPL_VERSION);
9050 return (1);
9051 }
9052
9053 if (strcmp(compat, ZPOOL_COMPAT_LEGACY) == 0) {
9054 (void) fprintf(stderr, gettext("Upgrade not performed because "
9055 "'compatibility' property set to '"
9056 ZPOOL_COMPAT_LEGACY "'.\n"));
9057 return (1);
9058 }
9059
9060 ret = zpool_upgrade(zhp, version);
9061 if (ret != 0)
9062 return (ret);
9063
9064 if (version >= SPA_VERSION_FEATURES) {
9065 (void) printf(gettext("Successfully upgraded "
9066 "'%s' from version %llu to feature flags.\n"),
9067 zpool_get_name(zhp), (u_longlong_t)oldversion);
9068 } else {
9069 (void) printf(gettext("Successfully upgraded "
9070 "'%s' from version %llu to version %llu.\n"),
9071 zpool_get_name(zhp), (u_longlong_t)oldversion,
9072 (u_longlong_t)version);
9073 }
9074
9075 return (0);
9076 }
9077
9078 static int
9079 upgrade_enable_all(zpool_handle_t *zhp, int *countp)
9080 {
9081 int i, ret, count;
9082 boolean_t firstff = B_TRUE;
9083 nvlist_t *enabled = zpool_get_features(zhp);
9084
9085 char compat[ZFS_MAXPROPLEN];
9086 if (zpool_get_prop(zhp, ZPOOL_PROP_COMPATIBILITY, compat,
9087 ZFS_MAXPROPLEN, NULL, B_FALSE) != 0)
9088 compat[0] = '\0';
9089
9090 boolean_t requested_features[SPA_FEATURES];
9091 if (zpool_do_load_compat(compat, requested_features) !=
9092 ZPOOL_COMPATIBILITY_OK)
9093 return (-1);
9094
9095 count = 0;
9096 for (i = 0; i < SPA_FEATURES; i++) {
9097 const char *fname = spa_feature_table[i].fi_uname;
9098 const char *fguid = spa_feature_table[i].fi_guid;
9099
9100 if (!spa_feature_table[i].fi_zfs_mod_supported)
9101 continue;
9102
9103 if (!nvlist_exists(enabled, fguid) && requested_features[i]) {
9104 char *propname;
9105 verify(-1 != asprintf(&propname, "feature@%s", fname));
9106 ret = zpool_set_prop(zhp, propname,
9107 ZFS_FEATURE_ENABLED);
9108 if (ret != 0) {
9109 free(propname);
9110 return (ret);
9111 }
9112 count++;
9113
9114 if (firstff) {
9115 (void) printf(gettext("Enabled the "
9116 "following features on '%s':\n"),
9117 zpool_get_name(zhp));
9118 firstff = B_FALSE;
9119 }
9120 (void) printf(gettext(" %s\n"), fname);
9121 free(propname);
9122 }
9123 }
9124
9125 if (countp != NULL)
9126 *countp = count;
9127 return (0);
9128 }
9129
9130 static int
9131 upgrade_cb(zpool_handle_t *zhp, void *arg)
9132 {
9133 upgrade_cbdata_t *cbp = arg;
9134 nvlist_t *config;
9135 uint64_t version;
9136 boolean_t modified_pool = B_FALSE;
9137 int ret;
9138
9139 config = zpool_get_config(zhp, NULL);
9140 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
9141 &version) == 0);
9142
9143 assert(SPA_VERSION_IS_SUPPORTED(version));
9144
9145 if (version < cbp->cb_version) {
9146 cbp->cb_first = B_FALSE;
9147 ret = upgrade_version(zhp, cbp->cb_version);
9148 if (ret != 0)
9149 return (ret);
9150 modified_pool = B_TRUE;
9151
9152 /*
9153 * If they did "zpool upgrade -a", then we could
9154 * be doing ioctls to different pools. We need
9155 * to log this history once to each pool, and bypass
9156 * the normal history logging that happens in main().
9157 */
9158 (void) zpool_log_history(g_zfs, history_str);
9159 log_history = B_FALSE;
9160 }
9161
9162 if (cbp->cb_version >= SPA_VERSION_FEATURES) {
9163 int count;
9164 ret = upgrade_enable_all(zhp, &count);
9165 if (ret != 0)
9166 return (ret);
9167
9168 if (count > 0) {
9169 cbp->cb_first = B_FALSE;
9170 modified_pool = B_TRUE;
9171 }
9172 }
9173
9174 if (modified_pool) {
9175 (void) printf("\n");
9176 (void) after_zpool_upgrade(zhp);
9177 }
9178
9179 return (0);
9180 }
9181
9182 static int
9183 upgrade_list_older_cb(zpool_handle_t *zhp, void *arg)
9184 {
9185 upgrade_cbdata_t *cbp = arg;
9186 nvlist_t *config;
9187 uint64_t version;
9188
9189 config = zpool_get_config(zhp, NULL);
9190 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
9191 &version) == 0);
9192
9193 assert(SPA_VERSION_IS_SUPPORTED(version));
9194
9195 if (version < SPA_VERSION_FEATURES) {
9196 if (cbp->cb_first) {
9197 (void) printf(gettext("The following pools are "
9198 "formatted with legacy version numbers and can\n"
9199 "be upgraded to use feature flags. After "
9200 "being upgraded, these pools\nwill no "
9201 "longer be accessible by software that does not "
9202 "support feature\nflags.\n\n"
9203 "Note that setting a pool's 'compatibility' "
9204 "feature to '" ZPOOL_COMPAT_LEGACY "' will\n"
9205 "inhibit upgrades.\n\n"));
9206 (void) printf(gettext("VER POOL\n"));
9207 (void) printf(gettext("--- ------------\n"));
9208 cbp->cb_first = B_FALSE;
9209 }
9210
9211 (void) printf("%2llu %s\n", (u_longlong_t)version,
9212 zpool_get_name(zhp));
9213 }
9214
9215 return (0);
9216 }
9217
9218 static int
9219 upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg)
9220 {
9221 upgrade_cbdata_t *cbp = arg;
9222 nvlist_t *config;
9223 uint64_t version;
9224
9225 config = zpool_get_config(zhp, NULL);
9226 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
9227 &version) == 0);
9228
9229 if (version >= SPA_VERSION_FEATURES) {
9230 int i;
9231 boolean_t poolfirst = B_TRUE;
9232 nvlist_t *enabled = zpool_get_features(zhp);
9233
9234 for (i = 0; i < SPA_FEATURES; i++) {
9235 const char *fguid = spa_feature_table[i].fi_guid;
9236 const char *fname = spa_feature_table[i].fi_uname;
9237
9238 if (!spa_feature_table[i].fi_zfs_mod_supported)
9239 continue;
9240
9241 if (!nvlist_exists(enabled, fguid)) {
9242 if (cbp->cb_first) {
9243 (void) printf(gettext("\nSome "
9244 "supported features are not "
9245 "enabled on the following pools. "
9246 "Once a\nfeature is enabled the "
9247 "pool may become incompatible with "
9248 "software\nthat does not support "
9249 "the feature. See "
9250 "zpool-features(7) for "
9251 "details.\n\n"
9252 "Note that the pool "
9253 "'compatibility' feature can be "
9254 "used to inhibit\nfeature "
9255 "upgrades.\n\n"));
9256 (void) printf(gettext("POOL "
9257 "FEATURE\n"));
9258 (void) printf(gettext("------"
9259 "---------\n"));
9260 cbp->cb_first = B_FALSE;
9261 }
9262
9263 if (poolfirst) {
9264 (void) printf(gettext("%s\n"),
9265 zpool_get_name(zhp));
9266 poolfirst = B_FALSE;
9267 }
9268
9269 (void) printf(gettext(" %s\n"), fname);
9270 }
9271 /*
9272 * If they did "zpool upgrade -a", then we could
9273 * be doing ioctls to different pools. We need
9274 * to log this history once to each pool, and bypass
9275 * the normal history logging that happens in main().
9276 */
9277 (void) zpool_log_history(g_zfs, history_str);
9278 log_history = B_FALSE;
9279 }
9280 }
9281
9282 return (0);
9283 }
9284
9285 static int
9286 upgrade_one(zpool_handle_t *zhp, void *data)
9287 {
9288 boolean_t modified_pool = B_FALSE;
9289 upgrade_cbdata_t *cbp = data;
9290 uint64_t cur_version;
9291 int ret;
9292
9293 if (strcmp("log", zpool_get_name(zhp)) == 0) {
9294 (void) fprintf(stderr, gettext("'log' is now a reserved word\n"
9295 "Pool 'log' must be renamed using export and import"
9296 " to upgrade.\n"));
9297 return (1);
9298 }
9299
9300 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
9301 if (cur_version > cbp->cb_version) {
9302 (void) printf(gettext("Pool '%s' is already formatted "
9303 "using more current version '%llu'.\n\n"),
9304 zpool_get_name(zhp), (u_longlong_t)cur_version);
9305 return (0);
9306 }
9307
9308 if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) {
9309 (void) printf(gettext("Pool '%s' is already formatted "
9310 "using version %llu.\n\n"), zpool_get_name(zhp),
9311 (u_longlong_t)cbp->cb_version);
9312 return (0);
9313 }
9314
9315 if (cur_version != cbp->cb_version) {
9316 modified_pool = B_TRUE;
9317 ret = upgrade_version(zhp, cbp->cb_version);
9318 if (ret != 0)
9319 return (ret);
9320 }
9321
9322 if (cbp->cb_version >= SPA_VERSION_FEATURES) {
9323 int count = 0;
9324 ret = upgrade_enable_all(zhp, &count);
9325 if (ret != 0)
9326 return (ret);
9327
9328 if (count != 0) {
9329 modified_pool = B_TRUE;
9330 } else if (cur_version == SPA_VERSION) {
9331 (void) printf(gettext("Pool '%s' already has all "
9332 "supported and requested features enabled.\n"),
9333 zpool_get_name(zhp));
9334 }
9335 }
9336
9337 if (modified_pool) {
9338 (void) printf("\n");
9339 (void) after_zpool_upgrade(zhp);
9340 }
9341
9342 return (0);
9343 }
9344
9345 /*
9346 * zpool upgrade
9347 * zpool upgrade -v
9348 * zpool upgrade [-V version] <-a | pool ...>
9349 *
9350 * With no arguments, display downrev'd ZFS pool available for upgrade.
9351 * Individual pools can be upgraded by specifying the pool, and '-a' will
9352 * upgrade all pools.
9353 */
9354 int
9355 zpool_do_upgrade(int argc, char **argv)
9356 {
9357 int c;
9358 upgrade_cbdata_t cb = { 0 };
9359 int ret = 0;
9360 boolean_t showversions = B_FALSE;
9361 boolean_t upgradeall = B_FALSE;
9362 char *end;
9363
9364
9365 /* check options */
9366 while ((c = getopt(argc, argv, ":avV:")) != -1) {
9367 switch (c) {
9368 case 'a':
9369 upgradeall = B_TRUE;
9370 break;
9371 case 'v':
9372 showversions = B_TRUE;
9373 break;
9374 case 'V':
9375 cb.cb_version = strtoll(optarg, &end, 10);
9376 if (*end != '\0' ||
9377 !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) {
9378 (void) fprintf(stderr,
9379 gettext("invalid version '%s'\n"), optarg);
9380 usage(B_FALSE);
9381 }
9382 break;
9383 case ':':
9384 (void) fprintf(stderr, gettext("missing argument for "
9385 "'%c' option\n"), optopt);
9386 usage(B_FALSE);
9387 break;
9388 case '?':
9389 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
9390 optopt);
9391 usage(B_FALSE);
9392 }
9393 }
9394
9395 cb.cb_argc = argc;
9396 cb.cb_argv = argv;
9397 argc -= optind;
9398 argv += optind;
9399
9400 if (cb.cb_version == 0) {
9401 cb.cb_version = SPA_VERSION;
9402 } else if (!upgradeall && argc == 0) {
9403 (void) fprintf(stderr, gettext("-V option is "
9404 "incompatible with other arguments\n"));
9405 usage(B_FALSE);
9406 }
9407
9408 if (showversions) {
9409 if (upgradeall || argc != 0) {
9410 (void) fprintf(stderr, gettext("-v option is "
9411 "incompatible with other arguments\n"));
9412 usage(B_FALSE);
9413 }
9414 } else if (upgradeall) {
9415 if (argc != 0) {
9416 (void) fprintf(stderr, gettext("-a option should not "
9417 "be used along with a pool name\n"));
9418 usage(B_FALSE);
9419 }
9420 }
9421
9422 (void) printf("%s", gettext("This system supports ZFS pool feature "
9423 "flags.\n\n"));
9424 if (showversions) {
9425 int i;
9426
9427 (void) printf(gettext("The following features are "
9428 "supported:\n\n"));
9429 (void) printf(gettext("FEAT DESCRIPTION\n"));
9430 (void) printf("----------------------------------------------"
9431 "---------------\n");
9432 for (i = 0; i < SPA_FEATURES; i++) {
9433 zfeature_info_t *fi = &spa_feature_table[i];
9434 if (!fi->fi_zfs_mod_supported)
9435 continue;
9436 const char *ro =
9437 (fi->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ?
9438 " (read-only compatible)" : "";
9439
9440 (void) printf("%-37s%s\n", fi->fi_uname, ro);
9441 (void) printf(" %s\n", fi->fi_desc);
9442 }
9443 (void) printf("\n");
9444
9445 (void) printf(gettext("The following legacy versions are also "
9446 "supported:\n\n"));
9447 (void) printf(gettext("VER DESCRIPTION\n"));
9448 (void) printf("--- -----------------------------------------"
9449 "---------------\n");
9450 (void) printf(gettext(" 1 Initial ZFS version\n"));
9451 (void) printf(gettext(" 2 Ditto blocks "
9452 "(replicated metadata)\n"));
9453 (void) printf(gettext(" 3 Hot spares and double parity "
9454 "RAID-Z\n"));
9455 (void) printf(gettext(" 4 zpool history\n"));
9456 (void) printf(gettext(" 5 Compression using the gzip "
9457 "algorithm\n"));
9458 (void) printf(gettext(" 6 bootfs pool property\n"));
9459 (void) printf(gettext(" 7 Separate intent log devices\n"));
9460 (void) printf(gettext(" 8 Delegated administration\n"));
9461 (void) printf(gettext(" 9 refquota and refreservation "
9462 "properties\n"));
9463 (void) printf(gettext(" 10 Cache devices\n"));
9464 (void) printf(gettext(" 11 Improved scrub performance\n"));
9465 (void) printf(gettext(" 12 Snapshot properties\n"));
9466 (void) printf(gettext(" 13 snapused property\n"));
9467 (void) printf(gettext(" 14 passthrough-x aclinherit\n"));
9468 (void) printf(gettext(" 15 user/group space accounting\n"));
9469 (void) printf(gettext(" 16 stmf property support\n"));
9470 (void) printf(gettext(" 17 Triple-parity RAID-Z\n"));
9471 (void) printf(gettext(" 18 Snapshot user holds\n"));
9472 (void) printf(gettext(" 19 Log device removal\n"));
9473 (void) printf(gettext(" 20 Compression using zle "
9474 "(zero-length encoding)\n"));
9475 (void) printf(gettext(" 21 Deduplication\n"));
9476 (void) printf(gettext(" 22 Received properties\n"));
9477 (void) printf(gettext(" 23 Slim ZIL\n"));
9478 (void) printf(gettext(" 24 System attributes\n"));
9479 (void) printf(gettext(" 25 Improved scrub stats\n"));
9480 (void) printf(gettext(" 26 Improved snapshot deletion "
9481 "performance\n"));
9482 (void) printf(gettext(" 27 Improved snapshot creation "
9483 "performance\n"));
9484 (void) printf(gettext(" 28 Multiple vdev replacements\n"));
9485 (void) printf(gettext("\nFor more information on a particular "
9486 "version, including supported releases,\n"));
9487 (void) printf(gettext("see the ZFS Administration Guide.\n\n"));
9488 } else if (argc == 0 && upgradeall) {
9489 cb.cb_first = B_TRUE;
9490 ret = zpool_iter(g_zfs, upgrade_cb, &cb);
9491 if (ret == 0 && cb.cb_first) {
9492 if (cb.cb_version == SPA_VERSION) {
9493 (void) printf(gettext("All pools are already "
9494 "formatted using feature flags.\n\n"));
9495 (void) printf(gettext("Every feature flags "
9496 "pool already has all supported and "
9497 "requested features enabled.\n"));
9498 } else {
9499 (void) printf(gettext("All pools are already "
9500 "formatted with version %llu or higher.\n"),
9501 (u_longlong_t)cb.cb_version);
9502 }
9503 }
9504 } else if (argc == 0) {
9505 cb.cb_first = B_TRUE;
9506 ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb);
9507 assert(ret == 0);
9508
9509 if (cb.cb_first) {
9510 (void) printf(gettext("All pools are formatted "
9511 "using feature flags.\n\n"));
9512 } else {
9513 (void) printf(gettext("\nUse 'zpool upgrade -v' "
9514 "for a list of available legacy versions.\n"));
9515 }
9516
9517 cb.cb_first = B_TRUE;
9518 ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb);
9519 assert(ret == 0);
9520
9521 if (cb.cb_first) {
9522 (void) printf(gettext("Every feature flags pool has "
9523 "all supported and requested features enabled.\n"));
9524 } else {
9525 (void) printf(gettext("\n"));
9526 }
9527 } else {
9528 ret = for_each_pool(argc, argv, B_FALSE, NULL, ZFS_TYPE_POOL,
9529 B_FALSE, upgrade_one, &cb);
9530 }
9531
9532 return (ret);
9533 }
9534
9535 typedef struct hist_cbdata {
9536 boolean_t first;
9537 boolean_t longfmt;
9538 boolean_t internal;
9539 } hist_cbdata_t;
9540
9541 static void
9542 print_history_records(nvlist_t *nvhis, hist_cbdata_t *cb)
9543 {
9544 nvlist_t **records;
9545 uint_t numrecords;
9546 int i;
9547
9548 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD,
9549 &records, &numrecords) == 0);
9550 for (i = 0; i < numrecords; i++) {
9551 nvlist_t *rec = records[i];
9552 char tbuf[64] = "";
9553
9554 if (nvlist_exists(rec, ZPOOL_HIST_TIME)) {
9555 time_t tsec;
9556 struct tm t;
9557
9558 tsec = fnvlist_lookup_uint64(records[i],
9559 ZPOOL_HIST_TIME);
9560 (void) localtime_r(&tsec, &t);
9561 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
9562 }
9563
9564 if (nvlist_exists(rec, ZPOOL_HIST_ELAPSED_NS)) {
9565 uint64_t elapsed_ns = fnvlist_lookup_int64(records[i],
9566 ZPOOL_HIST_ELAPSED_NS);
9567 (void) snprintf(tbuf + strlen(tbuf),
9568 sizeof (tbuf) - strlen(tbuf),
9569 " (%lldms)", (long long)elapsed_ns / 1000 / 1000);
9570 }
9571
9572 if (nvlist_exists(rec, ZPOOL_HIST_CMD)) {
9573 (void) printf("%s %s", tbuf,
9574 fnvlist_lookup_string(rec, ZPOOL_HIST_CMD));
9575 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) {
9576 int ievent =
9577 fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT);
9578 if (!cb->internal)
9579 continue;
9580 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) {
9581 (void) printf("%s unrecognized record:\n",
9582 tbuf);
9583 dump_nvlist(rec, 4);
9584 continue;
9585 }
9586 (void) printf("%s [internal %s txg:%lld] %s", tbuf,
9587 zfs_history_event_names[ievent],
9588 (longlong_t)fnvlist_lookup_uint64(
9589 rec, ZPOOL_HIST_TXG),
9590 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR));
9591 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) {
9592 if (!cb->internal)
9593 continue;
9594 (void) printf("%s [txg:%lld] %s", tbuf,
9595 (longlong_t)fnvlist_lookup_uint64(
9596 rec, ZPOOL_HIST_TXG),
9597 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME));
9598 if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) {
9599 (void) printf(" %s (%llu)",
9600 fnvlist_lookup_string(rec,
9601 ZPOOL_HIST_DSNAME),
9602 (u_longlong_t)fnvlist_lookup_uint64(rec,
9603 ZPOOL_HIST_DSID));
9604 }
9605 (void) printf(" %s", fnvlist_lookup_string(rec,
9606 ZPOOL_HIST_INT_STR));
9607 } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) {
9608 if (!cb->internal)
9609 continue;
9610 (void) printf("%s ioctl %s\n", tbuf,
9611 fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL));
9612 if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) {
9613 (void) printf(" input:\n");
9614 dump_nvlist(fnvlist_lookup_nvlist(rec,
9615 ZPOOL_HIST_INPUT_NVL), 8);
9616 }
9617 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) {
9618 (void) printf(" output:\n");
9619 dump_nvlist(fnvlist_lookup_nvlist(rec,
9620 ZPOOL_HIST_OUTPUT_NVL), 8);
9621 }
9622 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_SIZE)) {
9623 (void) printf(" output nvlist omitted; "
9624 "original size: %lldKB\n",
9625 (longlong_t)fnvlist_lookup_int64(rec,
9626 ZPOOL_HIST_OUTPUT_SIZE) / 1024);
9627 }
9628 if (nvlist_exists(rec, ZPOOL_HIST_ERRNO)) {
9629 (void) printf(" errno: %lld\n",
9630 (longlong_t)fnvlist_lookup_int64(rec,
9631 ZPOOL_HIST_ERRNO));
9632 }
9633 } else {
9634 if (!cb->internal)
9635 continue;
9636 (void) printf("%s unrecognized record:\n", tbuf);
9637 dump_nvlist(rec, 4);
9638 }
9639
9640 if (!cb->longfmt) {
9641 (void) printf("\n");
9642 continue;
9643 }
9644 (void) printf(" [");
9645 if (nvlist_exists(rec, ZPOOL_HIST_WHO)) {
9646 uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO);
9647 struct passwd *pwd = getpwuid(who);
9648 (void) printf("user %d ", (int)who);
9649 if (pwd != NULL)
9650 (void) printf("(%s) ", pwd->pw_name);
9651 }
9652 if (nvlist_exists(rec, ZPOOL_HIST_HOST)) {
9653 (void) printf("on %s",
9654 fnvlist_lookup_string(rec, ZPOOL_HIST_HOST));
9655 }
9656 if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) {
9657 (void) printf(":%s",
9658 fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE));
9659 }
9660
9661 (void) printf("]");
9662 (void) printf("\n");
9663 }
9664 }
9665
9666 /*
9667 * Print out the command history for a specific pool.
9668 */
9669 static int
9670 get_history_one(zpool_handle_t *zhp, void *data)
9671 {
9672 nvlist_t *nvhis;
9673 int ret;
9674 hist_cbdata_t *cb = (hist_cbdata_t *)data;
9675 uint64_t off = 0;
9676 boolean_t eof = B_FALSE;
9677
9678 cb->first = B_FALSE;
9679
9680 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp));
9681
9682 while (!eof) {
9683 if ((ret = zpool_get_history(zhp, &nvhis, &off, &eof)) != 0)
9684 return (ret);
9685
9686 print_history_records(nvhis, cb);
9687 nvlist_free(nvhis);
9688 }
9689 (void) printf("\n");
9690
9691 return (ret);
9692 }
9693
9694 /*
9695 * zpool history <pool>
9696 *
9697 * Displays the history of commands that modified pools.
9698 */
9699 int
9700 zpool_do_history(int argc, char **argv)
9701 {
9702 hist_cbdata_t cbdata = { 0 };
9703 int ret;
9704 int c;
9705
9706 cbdata.first = B_TRUE;
9707 /* check options */
9708 while ((c = getopt(argc, argv, "li")) != -1) {
9709 switch (c) {
9710 case 'l':
9711 cbdata.longfmt = B_TRUE;
9712 break;
9713 case 'i':
9714 cbdata.internal = B_TRUE;
9715 break;
9716 case '?':
9717 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
9718 optopt);
9719 usage(B_FALSE);
9720 }
9721 }
9722 argc -= optind;
9723 argv += optind;
9724
9725 ret = for_each_pool(argc, argv, B_FALSE, NULL, ZFS_TYPE_POOL,
9726 B_FALSE, get_history_one, &cbdata);
9727
9728 if (argc == 0 && cbdata.first == B_TRUE) {
9729 (void) fprintf(stderr, gettext("no pools available\n"));
9730 return (0);
9731 }
9732
9733 return (ret);
9734 }
9735
9736 typedef struct ev_opts {
9737 int verbose;
9738 int scripted;
9739 int follow;
9740 int clear;
9741 char poolname[ZFS_MAX_DATASET_NAME_LEN];
9742 } ev_opts_t;
9743
9744 static void
9745 zpool_do_events_short(nvlist_t *nvl, ev_opts_t *opts)
9746 {
9747 char ctime_str[26], str[32];
9748 const char *ptr;
9749 int64_t *tv;
9750 uint_t n;
9751
9752 verify(nvlist_lookup_int64_array(nvl, FM_EREPORT_TIME, &tv, &n) == 0);
9753 memset(str, ' ', 32);
9754 (void) ctime_r((const time_t *)&tv[0], ctime_str);
9755 (void) memcpy(str, ctime_str+4, 6); /* 'Jun 30' */
9756 (void) memcpy(str+7, ctime_str+20, 4); /* '1993' */
9757 (void) memcpy(str+12, ctime_str+11, 8); /* '21:49:08' */
9758 (void) sprintf(str+20, ".%09lld", (longlong_t)tv[1]); /* '.123456789' */
9759 if (opts->scripted)
9760 (void) printf(gettext("%s\t"), str);
9761 else
9762 (void) printf(gettext("%s "), str);
9763
9764 verify(nvlist_lookup_string(nvl, FM_CLASS, &ptr) == 0);
9765 (void) printf(gettext("%s\n"), ptr);
9766 }
9767
9768 static void
9769 zpool_do_events_nvprint(nvlist_t *nvl, int depth)
9770 {
9771 nvpair_t *nvp;
9772
9773 for (nvp = nvlist_next_nvpair(nvl, NULL);
9774 nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp)) {
9775
9776 data_type_t type = nvpair_type(nvp);
9777 const char *name = nvpair_name(nvp);
9778
9779 boolean_t b;
9780 uint8_t i8;
9781 uint16_t i16;
9782 uint32_t i32;
9783 uint64_t i64;
9784 const char *str;
9785 nvlist_t *cnv;
9786
9787 printf(gettext("%*s%s = "), depth, "", name);
9788
9789 switch (type) {
9790 case DATA_TYPE_BOOLEAN:
9791 printf(gettext("%s"), "1");
9792 break;
9793
9794 case DATA_TYPE_BOOLEAN_VALUE:
9795 (void) nvpair_value_boolean_value(nvp, &b);
9796 printf(gettext("%s"), b ? "1" : "0");
9797 break;
9798
9799 case DATA_TYPE_BYTE:
9800 (void) nvpair_value_byte(nvp, &i8);
9801 printf(gettext("0x%x"), i8);
9802 break;
9803
9804 case DATA_TYPE_INT8:
9805 (void) nvpair_value_int8(nvp, (void *)&i8);
9806 printf(gettext("0x%x"), i8);
9807 break;
9808
9809 case DATA_TYPE_UINT8:
9810 (void) nvpair_value_uint8(nvp, &i8);
9811 printf(gettext("0x%x"), i8);
9812 break;
9813
9814 case DATA_TYPE_INT16:
9815 (void) nvpair_value_int16(nvp, (void *)&i16);
9816 printf(gettext("0x%x"), i16);
9817 break;
9818
9819 case DATA_TYPE_UINT16:
9820 (void) nvpair_value_uint16(nvp, &i16);
9821 printf(gettext("0x%x"), i16);
9822 break;
9823
9824 case DATA_TYPE_INT32:
9825 (void) nvpair_value_int32(nvp, (void *)&i32);
9826 printf(gettext("0x%x"), i32);
9827 break;
9828
9829 case DATA_TYPE_UINT32:
9830 (void) nvpair_value_uint32(nvp, &i32);
9831 printf(gettext("0x%x"), i32);
9832 break;
9833
9834 case DATA_TYPE_INT64:
9835 (void) nvpair_value_int64(nvp, (void *)&i64);
9836 printf(gettext("0x%llx"), (u_longlong_t)i64);
9837 break;
9838
9839 case DATA_TYPE_UINT64:
9840 (void) nvpair_value_uint64(nvp, &i64);
9841 /*
9842 * translate vdev state values to readable
9843 * strings to aide zpool events consumers
9844 */
9845 if (strcmp(name,
9846 FM_EREPORT_PAYLOAD_ZFS_VDEV_STATE) == 0 ||
9847 strcmp(name,
9848 FM_EREPORT_PAYLOAD_ZFS_VDEV_LASTSTATE) == 0) {
9849 printf(gettext("\"%s\" (0x%llx)"),
9850 zpool_state_to_name(i64, VDEV_AUX_NONE),
9851 (u_longlong_t)i64);
9852 } else {
9853 printf(gettext("0x%llx"), (u_longlong_t)i64);
9854 }
9855 break;
9856
9857 case DATA_TYPE_HRTIME:
9858 (void) nvpair_value_hrtime(nvp, (void *)&i64);
9859 printf(gettext("0x%llx"), (u_longlong_t)i64);
9860 break;
9861
9862 case DATA_TYPE_STRING:
9863 (void) nvpair_value_string(nvp, &str);
9864 printf(gettext("\"%s\""), str ? str : "<NULL>");
9865 break;
9866
9867 case DATA_TYPE_NVLIST:
9868 printf(gettext("(embedded nvlist)\n"));
9869 (void) nvpair_value_nvlist(nvp, &cnv);
9870 zpool_do_events_nvprint(cnv, depth + 8);
9871 printf(gettext("%*s(end %s)"), depth, "", name);
9872 break;
9873
9874 case DATA_TYPE_NVLIST_ARRAY: {
9875 nvlist_t **val;
9876 uint_t i, nelem;
9877
9878 (void) nvpair_value_nvlist_array(nvp, &val, &nelem);
9879 printf(gettext("(%d embedded nvlists)\n"), nelem);
9880 for (i = 0; i < nelem; i++) {
9881 printf(gettext("%*s%s[%d] = %s\n"),
9882 depth, "", name, i, "(embedded nvlist)");
9883 zpool_do_events_nvprint(val[i], depth + 8);
9884 printf(gettext("%*s(end %s[%i])\n"),
9885 depth, "", name, i);
9886 }
9887 printf(gettext("%*s(end %s)\n"), depth, "", name);
9888 }
9889 break;
9890
9891 case DATA_TYPE_INT8_ARRAY: {
9892 int8_t *val;
9893 uint_t i, nelem;
9894
9895 (void) nvpair_value_int8_array(nvp, &val, &nelem);
9896 for (i = 0; i < nelem; i++)
9897 printf(gettext("0x%x "), val[i]);
9898
9899 break;
9900 }
9901
9902 case DATA_TYPE_UINT8_ARRAY: {
9903 uint8_t *val;
9904 uint_t i, nelem;
9905
9906 (void) nvpair_value_uint8_array(nvp, &val, &nelem);
9907 for (i = 0; i < nelem; i++)
9908 printf(gettext("0x%x "), val[i]);
9909
9910 break;
9911 }
9912
9913 case DATA_TYPE_INT16_ARRAY: {
9914 int16_t *val;
9915 uint_t i, nelem;
9916
9917 (void) nvpair_value_int16_array(nvp, &val, &nelem);
9918 for (i = 0; i < nelem; i++)
9919 printf(gettext("0x%x "), val[i]);
9920
9921 break;
9922 }
9923
9924 case DATA_TYPE_UINT16_ARRAY: {
9925 uint16_t *val;
9926 uint_t i, nelem;
9927
9928 (void) nvpair_value_uint16_array(nvp, &val, &nelem);
9929 for (i = 0; i < nelem; i++)
9930 printf(gettext("0x%x "), val[i]);
9931
9932 break;
9933 }
9934
9935 case DATA_TYPE_INT32_ARRAY: {
9936 int32_t *val;
9937 uint_t i, nelem;
9938
9939 (void) nvpair_value_int32_array(nvp, &val, &nelem);
9940 for (i = 0; i < nelem; i++)
9941 printf(gettext("0x%x "), val[i]);
9942
9943 break;
9944 }
9945
9946 case DATA_TYPE_UINT32_ARRAY: {
9947 uint32_t *val;
9948 uint_t i, nelem;
9949
9950 (void) nvpair_value_uint32_array(nvp, &val, &nelem);
9951 for (i = 0; i < nelem; i++)
9952 printf(gettext("0x%x "), val[i]);
9953
9954 break;
9955 }
9956
9957 case DATA_TYPE_INT64_ARRAY: {
9958 int64_t *val;
9959 uint_t i, nelem;
9960
9961 (void) nvpair_value_int64_array(nvp, &val, &nelem);
9962 for (i = 0; i < nelem; i++)
9963 printf(gettext("0x%llx "),
9964 (u_longlong_t)val[i]);
9965
9966 break;
9967 }
9968
9969 case DATA_TYPE_UINT64_ARRAY: {
9970 uint64_t *val;
9971 uint_t i, nelem;
9972
9973 (void) nvpair_value_uint64_array(nvp, &val, &nelem);
9974 for (i = 0; i < nelem; i++)
9975 printf(gettext("0x%llx "),
9976 (u_longlong_t)val[i]);
9977
9978 break;
9979 }
9980
9981 case DATA_TYPE_STRING_ARRAY: {
9982 const char **str;
9983 uint_t i, nelem;
9984
9985 (void) nvpair_value_string_array(nvp, &str, &nelem);
9986 for (i = 0; i < nelem; i++)
9987 printf(gettext("\"%s\" "),
9988 str[i] ? str[i] : "<NULL>");
9989
9990 break;
9991 }
9992
9993 case DATA_TYPE_BOOLEAN_ARRAY:
9994 case DATA_TYPE_BYTE_ARRAY:
9995 case DATA_TYPE_DOUBLE:
9996 case DATA_TYPE_DONTCARE:
9997 case DATA_TYPE_UNKNOWN:
9998 printf(gettext("<unknown>"));
9999 break;
10000 }
10001
10002 printf(gettext("\n"));
10003 }
10004 }
10005
10006 static int
10007 zpool_do_events_next(ev_opts_t *opts)
10008 {
10009 nvlist_t *nvl;
10010 int zevent_fd, ret, dropped;
10011 const char *pool;
10012
10013 zevent_fd = open(ZFS_DEV, O_RDWR);
10014 VERIFY(zevent_fd >= 0);
10015
10016 if (!opts->scripted)
10017 (void) printf(gettext("%-30s %s\n"), "TIME", "CLASS");
10018
10019 while (1) {
10020 ret = zpool_events_next(g_zfs, &nvl, &dropped,
10021 (opts->follow ? ZEVENT_NONE : ZEVENT_NONBLOCK), zevent_fd);
10022 if (ret || nvl == NULL)
10023 break;
10024
10025 if (dropped > 0)
10026 (void) printf(gettext("dropped %d events\n"), dropped);
10027
10028 if (strlen(opts->poolname) > 0 &&
10029 nvlist_lookup_string(nvl, FM_FMRI_ZFS_POOL, &pool) == 0 &&
10030 strcmp(opts->poolname, pool) != 0)
10031 continue;
10032
10033 zpool_do_events_short(nvl, opts);
10034
10035 if (opts->verbose) {
10036 zpool_do_events_nvprint(nvl, 8);
10037 printf(gettext("\n"));
10038 }
10039 (void) fflush(stdout);
10040
10041 nvlist_free(nvl);
10042 }
10043
10044 VERIFY(0 == close(zevent_fd));
10045
10046 return (ret);
10047 }
10048
10049 static int
10050 zpool_do_events_clear(void)
10051 {
10052 int count, ret;
10053
10054 ret = zpool_events_clear(g_zfs, &count);
10055 if (!ret)
10056 (void) printf(gettext("cleared %d events\n"), count);
10057
10058 return (ret);
10059 }
10060
10061 /*
10062 * zpool events [-vHf [pool] | -c]
10063 *
10064 * Displays events logs by ZFS.
10065 */
10066 int
10067 zpool_do_events(int argc, char **argv)
10068 {
10069 ev_opts_t opts = { 0 };
10070 int ret;
10071 int c;
10072
10073 /* check options */
10074 while ((c = getopt(argc, argv, "vHfc")) != -1) {
10075 switch (c) {
10076 case 'v':
10077 opts.verbose = 1;
10078 break;
10079 case 'H':
10080 opts.scripted = 1;
10081 break;
10082 case 'f':
10083 opts.follow = 1;
10084 break;
10085 case 'c':
10086 opts.clear = 1;
10087 break;
10088 case '?':
10089 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
10090 optopt);
10091 usage(B_FALSE);
10092 }
10093 }
10094 argc -= optind;
10095 argv += optind;
10096
10097 if (argc > 1) {
10098 (void) fprintf(stderr, gettext("too many arguments\n"));
10099 usage(B_FALSE);
10100 } else if (argc == 1) {
10101 (void) strlcpy(opts.poolname, argv[0], sizeof (opts.poolname));
10102 if (!zfs_name_valid(opts.poolname, ZFS_TYPE_POOL)) {
10103 (void) fprintf(stderr,
10104 gettext("invalid pool name '%s'\n"), opts.poolname);
10105 usage(B_FALSE);
10106 }
10107 }
10108
10109 if ((argc == 1 || opts.verbose || opts.scripted || opts.follow) &&
10110 opts.clear) {
10111 (void) fprintf(stderr,
10112 gettext("invalid options combined with -c\n"));
10113 usage(B_FALSE);
10114 }
10115
10116 if (opts.clear)
10117 ret = zpool_do_events_clear();
10118 else
10119 ret = zpool_do_events_next(&opts);
10120
10121 return (ret);
10122 }
10123
10124 static int
10125 get_callback_vdev(zpool_handle_t *zhp, char *vdevname, void *data)
10126 {
10127 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data;
10128 char value[ZFS_MAXPROPLEN];
10129 zprop_source_t srctype;
10130
10131 for (zprop_list_t *pl = cbp->cb_proplist; pl != NULL;
10132 pl = pl->pl_next) {
10133 char *prop_name;
10134 /*
10135 * If the first property is pool name, it is a special
10136 * placeholder that we can skip. This will also skip
10137 * over the name property when 'all' is specified.
10138 */
10139 if (pl->pl_prop == ZPOOL_PROP_NAME &&
10140 pl == cbp->cb_proplist)
10141 continue;
10142
10143 if (pl->pl_prop == ZPROP_INVAL) {
10144 prop_name = pl->pl_user_prop;
10145 } else {
10146 prop_name = (char *)vdev_prop_to_name(pl->pl_prop);
10147 }
10148 if (zpool_get_vdev_prop(zhp, vdevname, pl->pl_prop,
10149 prop_name, value, sizeof (value), &srctype,
10150 cbp->cb_literal) == 0) {
10151 zprop_print_one_property(vdevname, cbp, prop_name,
10152 value, srctype, NULL, NULL);
10153 }
10154 }
10155
10156 return (0);
10157 }
10158
10159 static int
10160 get_callback_vdev_cb(void *zhp_data, nvlist_t *nv, void *data)
10161 {
10162 zpool_handle_t *zhp = zhp_data;
10163 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data;
10164 char *vdevname;
10165 const char *type;
10166 int ret;
10167
10168 /*
10169 * zpool_vdev_name() transforms the root vdev name (i.e., root-0) to the
10170 * pool name for display purposes, which is not desired. Fallback to
10171 * zpool_vdev_name() when not dealing with the root vdev.
10172 */
10173 type = fnvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE);
10174 if (zhp != NULL && strcmp(type, "root") == 0)
10175 vdevname = strdup("root-0");
10176 else
10177 vdevname = zpool_vdev_name(g_zfs, zhp, nv,
10178 cbp->cb_vdevs.cb_name_flags);
10179
10180 (void) vdev_expand_proplist(zhp, vdevname, &cbp->cb_proplist);
10181
10182 ret = get_callback_vdev(zhp, vdevname, data);
10183
10184 free(vdevname);
10185
10186 return (ret);
10187 }
10188
10189 static int
10190 get_callback(zpool_handle_t *zhp, void *data)
10191 {
10192 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data;
10193 char value[ZFS_MAXPROPLEN];
10194 zprop_source_t srctype;
10195 zprop_list_t *pl;
10196 int vid;
10197
10198 if (cbp->cb_type == ZFS_TYPE_VDEV) {
10199 if (strcmp(cbp->cb_vdevs.cb_names[0], "all-vdevs") == 0) {
10200 for_each_vdev(zhp, get_callback_vdev_cb, data);
10201 } else {
10202 /* Adjust column widths for vdev properties */
10203 for (vid = 0; vid < cbp->cb_vdevs.cb_names_count;
10204 vid++) {
10205 vdev_expand_proplist(zhp,
10206 cbp->cb_vdevs.cb_names[vid],
10207 &cbp->cb_proplist);
10208 }
10209 /* Display the properties */
10210 for (vid = 0; vid < cbp->cb_vdevs.cb_names_count;
10211 vid++) {
10212 get_callback_vdev(zhp,
10213 cbp->cb_vdevs.cb_names[vid], data);
10214 }
10215 }
10216 } else {
10217 assert(cbp->cb_type == ZFS_TYPE_POOL);
10218 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) {
10219 /*
10220 * Skip the special fake placeholder. This will also
10221 * skip over the name property when 'all' is specified.
10222 */
10223 if (pl->pl_prop == ZPOOL_PROP_NAME &&
10224 pl == cbp->cb_proplist)
10225 continue;
10226
10227 if (pl->pl_prop == ZPROP_INVAL &&
10228 zfs_prop_user(pl->pl_user_prop)) {
10229 srctype = ZPROP_SRC_LOCAL;
10230
10231 if (zpool_get_userprop(zhp, pl->pl_user_prop,
10232 value, sizeof (value), &srctype) != 0)
10233 continue;
10234
10235 zprop_print_one_property(zpool_get_name(zhp),
10236 cbp, pl->pl_user_prop, value, srctype,
10237 NULL, NULL);
10238 } else if (pl->pl_prop == ZPROP_INVAL &&
10239 (zpool_prop_feature(pl->pl_user_prop) ||
10240 zpool_prop_unsupported(pl->pl_user_prop))) {
10241 srctype = ZPROP_SRC_LOCAL;
10242
10243 if (zpool_prop_get_feature(zhp,
10244 pl->pl_user_prop, value,
10245 sizeof (value)) == 0) {
10246 zprop_print_one_property(
10247 zpool_get_name(zhp), cbp,
10248 pl->pl_user_prop, value, srctype,
10249 NULL, NULL);
10250 }
10251 } else {
10252 if (zpool_get_prop(zhp, pl->pl_prop, value,
10253 sizeof (value), &srctype,
10254 cbp->cb_literal) != 0)
10255 continue;
10256
10257 zprop_print_one_property(zpool_get_name(zhp),
10258 cbp, zpool_prop_to_name(pl->pl_prop),
10259 value, srctype, NULL, NULL);
10260 }
10261 }
10262 }
10263
10264 return (0);
10265 }
10266
10267 /*
10268 * zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ...
10269 *
10270 * -H Scripted mode. Don't display headers, and separate properties
10271 * by a single tab.
10272 * -o List of columns to display. Defaults to
10273 * "name,property,value,source".
10274 * -p Display values in parsable (exact) format.
10275 *
10276 * Get properties of pools in the system. Output space statistics
10277 * for each one as well as other attributes.
10278 */
10279 int
10280 zpool_do_get(int argc, char **argv)
10281 {
10282 zprop_get_cbdata_t cb = { 0 };
10283 zprop_list_t fake_name = { 0 };
10284 int ret;
10285 int c, i;
10286 char *propstr = NULL;
10287 char *vdev = NULL;
10288
10289 cb.cb_first = B_TRUE;
10290
10291 /*
10292 * Set up default columns and sources.
10293 */
10294 cb.cb_sources = ZPROP_SRC_ALL;
10295 cb.cb_columns[0] = GET_COL_NAME;
10296 cb.cb_columns[1] = GET_COL_PROPERTY;
10297 cb.cb_columns[2] = GET_COL_VALUE;
10298 cb.cb_columns[3] = GET_COL_SOURCE;
10299 cb.cb_type = ZFS_TYPE_POOL;
10300 cb.cb_vdevs.cb_name_flags |= VDEV_NAME_TYPE_ID;
10301 current_prop_type = cb.cb_type;
10302
10303 /* check options */
10304 while ((c = getopt(argc, argv, ":Hpo:")) != -1) {
10305 switch (c) {
10306 case 'p':
10307 cb.cb_literal = B_TRUE;
10308 break;
10309 case 'H':
10310 cb.cb_scripted = B_TRUE;
10311 break;
10312 case 'o':
10313 memset(&cb.cb_columns, 0, sizeof (cb.cb_columns));
10314 i = 0;
10315
10316 for (char *tok; (tok = strsep(&optarg, ",")); ) {
10317 static const char *const col_opts[] =
10318 { "name", "property", "value", "source",
10319 "all" };
10320 static const zfs_get_column_t col_cols[] =
10321 { GET_COL_NAME, GET_COL_PROPERTY, GET_COL_VALUE,
10322 GET_COL_SOURCE };
10323
10324 if (i == ZFS_GET_NCOLS - 1) {
10325 (void) fprintf(stderr, gettext("too "
10326 "many fields given to -o "
10327 "option\n"));
10328 usage(B_FALSE);
10329 }
10330
10331 for (c = 0; c < ARRAY_SIZE(col_opts); ++c)
10332 if (strcmp(tok, col_opts[c]) == 0)
10333 goto found;
10334
10335 (void) fprintf(stderr,
10336 gettext("invalid column name '%s'\n"), tok);
10337 usage(B_FALSE);
10338
10339 found:
10340 if (c >= 4) {
10341 if (i > 0) {
10342 (void) fprintf(stderr,
10343 gettext("\"all\" conflicts "
10344 "with specific fields "
10345 "given to -o option\n"));
10346 usage(B_FALSE);
10347 }
10348
10349 memcpy(cb.cb_columns, col_cols,
10350 sizeof (col_cols));
10351 i = ZFS_GET_NCOLS - 1;
10352 } else
10353 cb.cb_columns[i++] = col_cols[c];
10354 }
10355 break;
10356 case '?':
10357 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
10358 optopt);
10359 usage(B_FALSE);
10360 }
10361 }
10362
10363 argc -= optind;
10364 argv += optind;
10365
10366 if (argc < 1) {
10367 (void) fprintf(stderr, gettext("missing property "
10368 "argument\n"));
10369 usage(B_FALSE);
10370 }
10371
10372 /* Properties list is needed later by zprop_get_list() */
10373 propstr = argv[0];
10374
10375 argc--;
10376 argv++;
10377
10378 if (argc == 0) {
10379 /* No args, so just print the defaults. */
10380 } else if (are_all_pools(argc, argv)) {
10381 /* All the args are pool names */
10382 } else if (are_all_pools(1, argv)) {
10383 /* The first arg is a pool name */
10384 if ((argc == 2 && strcmp(argv[1], "all-vdevs") == 0) ||
10385 (argc == 2 && strcmp(argv[1], "root") == 0) ||
10386 are_vdevs_in_pool(argc - 1, argv + 1, argv[0],
10387 &cb.cb_vdevs)) {
10388
10389 if (strcmp(argv[1], "root") == 0)
10390 vdev = strdup("root-0");
10391 else
10392 vdev = strdup(argv[1]);
10393
10394 /* ... and the rest are vdev names */
10395 cb.cb_vdevs.cb_names = &vdev;
10396 cb.cb_vdevs.cb_names_count = argc - 1;
10397 cb.cb_type = ZFS_TYPE_VDEV;
10398 argc = 1; /* One pool to process */
10399 } else {
10400 fprintf(stderr, gettext("Expected a list of vdevs in"
10401 " \"%s\", but got:\n"), argv[0]);
10402 error_list_unresolved_vdevs(argc - 1, argv + 1,
10403 argv[0], &cb.cb_vdevs);
10404 fprintf(stderr, "\n");
10405 usage(B_FALSE);
10406 return (1);
10407 }
10408 } else {
10409 /*
10410 * The first arg isn't a pool name,
10411 */
10412 fprintf(stderr, gettext("missing pool name.\n"));
10413 fprintf(stderr, "\n");
10414 usage(B_FALSE);
10415 return (1);
10416 }
10417
10418 if (zprop_get_list(g_zfs, propstr, &cb.cb_proplist,
10419 cb.cb_type) != 0) {
10420 /* Use correct list of valid properties (pool or vdev) */
10421 current_prop_type = cb.cb_type;
10422 usage(B_FALSE);
10423 }
10424
10425 if (cb.cb_proplist != NULL) {
10426 fake_name.pl_prop = ZPOOL_PROP_NAME;
10427 fake_name.pl_width = strlen(gettext("NAME"));
10428 fake_name.pl_next = cb.cb_proplist;
10429 cb.cb_proplist = &fake_name;
10430 }
10431
10432 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, cb.cb_type,
10433 cb.cb_literal, get_callback, &cb);
10434
10435 if (cb.cb_proplist == &fake_name)
10436 zprop_free_list(fake_name.pl_next);
10437 else
10438 zprop_free_list(cb.cb_proplist);
10439
10440 if (vdev != NULL)
10441 free(vdev);
10442
10443 return (ret);
10444 }
10445
10446 typedef struct set_cbdata {
10447 char *cb_propname;
10448 char *cb_value;
10449 zfs_type_t cb_type;
10450 vdev_cbdata_t cb_vdevs;
10451 boolean_t cb_any_successful;
10452 } set_cbdata_t;
10453
10454 static int
10455 set_pool_callback(zpool_handle_t *zhp, set_cbdata_t *cb)
10456 {
10457 int error;
10458
10459 /* Check if we have out-of-bounds features */
10460 if (strcmp(cb->cb_propname, ZPOOL_CONFIG_COMPATIBILITY) == 0) {
10461 boolean_t features[SPA_FEATURES];
10462 if (zpool_do_load_compat(cb->cb_value, features) !=
10463 ZPOOL_COMPATIBILITY_OK)
10464 return (-1);
10465
10466 nvlist_t *enabled = zpool_get_features(zhp);
10467 spa_feature_t i;
10468 for (i = 0; i < SPA_FEATURES; i++) {
10469 const char *fguid = spa_feature_table[i].fi_guid;
10470 if (nvlist_exists(enabled, fguid) && !features[i])
10471 break;
10472 }
10473 if (i < SPA_FEATURES)
10474 (void) fprintf(stderr, gettext("Warning: one or "
10475 "more features already enabled on pool '%s'\n"
10476 "are not present in this compatibility set.\n"),
10477 zpool_get_name(zhp));
10478 }
10479
10480 /* if we're setting a feature, check it's in compatibility set */
10481 if (zpool_prop_feature(cb->cb_propname) &&
10482 strcmp(cb->cb_value, ZFS_FEATURE_ENABLED) == 0) {
10483 char *fname = strchr(cb->cb_propname, '@') + 1;
10484 spa_feature_t f;
10485
10486 if (zfeature_lookup_name(fname, &f) == 0) {
10487 char compat[ZFS_MAXPROPLEN];
10488 if (zpool_get_prop(zhp, ZPOOL_PROP_COMPATIBILITY,
10489 compat, ZFS_MAXPROPLEN, NULL, B_FALSE) != 0)
10490 compat[0] = '\0';
10491
10492 boolean_t features[SPA_FEATURES];
10493 if (zpool_do_load_compat(compat, features) !=
10494 ZPOOL_COMPATIBILITY_OK) {
10495 (void) fprintf(stderr, gettext("Error: "
10496 "cannot enable feature '%s' on pool '%s'\n"
10497 "because the pool's 'compatibility' "
10498 "property cannot be parsed.\n"),
10499 fname, zpool_get_name(zhp));
10500 return (-1);
10501 }
10502
10503 if (!features[f]) {
10504 (void) fprintf(stderr, gettext("Error: "
10505 "cannot enable feature '%s' on pool '%s'\n"
10506 "as it is not specified in this pool's "
10507 "current compatibility set.\n"
10508 "Consider setting 'compatibility' to a "
10509 "less restrictive set, or to 'off'.\n"),
10510 fname, zpool_get_name(zhp));
10511 return (-1);
10512 }
10513 }
10514 }
10515
10516 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value);
10517
10518 return (error);
10519 }
10520
10521 static int
10522 set_callback(zpool_handle_t *zhp, void *data)
10523 {
10524 int error;
10525 set_cbdata_t *cb = (set_cbdata_t *)data;
10526
10527 if (cb->cb_type == ZFS_TYPE_VDEV) {
10528 error = zpool_set_vdev_prop(zhp, *cb->cb_vdevs.cb_names,
10529 cb->cb_propname, cb->cb_value);
10530 } else {
10531 assert(cb->cb_type == ZFS_TYPE_POOL);
10532 error = set_pool_callback(zhp, cb);
10533 }
10534
10535 cb->cb_any_successful = !error;
10536 return (error);
10537 }
10538
10539 int
10540 zpool_do_set(int argc, char **argv)
10541 {
10542 set_cbdata_t cb = { 0 };
10543 int error;
10544 char *vdev = NULL;
10545
10546 current_prop_type = ZFS_TYPE_POOL;
10547 if (argc > 1 && argv[1][0] == '-') {
10548 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
10549 argv[1][1]);
10550 usage(B_FALSE);
10551 }
10552
10553 if (argc < 2) {
10554 (void) fprintf(stderr, gettext("missing property=value "
10555 "argument\n"));
10556 usage(B_FALSE);
10557 }
10558
10559 if (argc < 3) {
10560 (void) fprintf(stderr, gettext("missing pool name\n"));
10561 usage(B_FALSE);
10562 }
10563
10564 if (argc > 4) {
10565 (void) fprintf(stderr, gettext("too many pool names\n"));
10566 usage(B_FALSE);
10567 }
10568
10569 cb.cb_propname = argv[1];
10570 cb.cb_type = ZFS_TYPE_POOL;
10571 cb.cb_vdevs.cb_name_flags |= VDEV_NAME_TYPE_ID;
10572 cb.cb_value = strchr(cb.cb_propname, '=');
10573 if (cb.cb_value == NULL) {
10574 (void) fprintf(stderr, gettext("missing value in "
10575 "property=value argument\n"));
10576 usage(B_FALSE);
10577 }
10578
10579 *(cb.cb_value) = '\0';
10580 cb.cb_value++;
10581 argc -= 2;
10582 argv += 2;
10583
10584 /* argv[0] is pool name */
10585 if (!is_pool(argv[0])) {
10586 (void) fprintf(stderr,
10587 gettext("cannot open '%s': is not a pool\n"), argv[0]);
10588 return (EINVAL);
10589 }
10590
10591 /* argv[1], when supplied, is vdev name */
10592 if (argc == 2) {
10593
10594 if (strcmp(argv[1], "root") == 0)
10595 vdev = strdup("root-0");
10596 else
10597 vdev = strdup(argv[1]);
10598
10599 if (!are_vdevs_in_pool(1, &vdev, argv[0], &cb.cb_vdevs)) {
10600 (void) fprintf(stderr, gettext(
10601 "cannot find '%s' in '%s': device not in pool\n"),
10602 vdev, argv[0]);
10603 free(vdev);
10604 return (EINVAL);
10605 }
10606 cb.cb_vdevs.cb_names = &vdev;
10607 cb.cb_vdevs.cb_names_count = 1;
10608 cb.cb_type = ZFS_TYPE_VDEV;
10609 }
10610
10611 error = for_each_pool(1, argv, B_TRUE, NULL, ZFS_TYPE_POOL,
10612 B_FALSE, set_callback, &cb);
10613
10614 if (vdev != NULL)
10615 free(vdev);
10616
10617 return (error);
10618 }
10619
10620 /* Add up the total number of bytes left to initialize/trim across all vdevs */
10621 static uint64_t
10622 vdev_activity_remaining(nvlist_t *nv, zpool_wait_activity_t activity)
10623 {
10624 uint64_t bytes_remaining;
10625 nvlist_t **child;
10626 uint_t c, children;
10627 vdev_stat_t *vs;
10628
10629 assert(activity == ZPOOL_WAIT_INITIALIZE ||
10630 activity == ZPOOL_WAIT_TRIM);
10631
10632 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
10633 (uint64_t **)&vs, &c) == 0);
10634
10635 if (activity == ZPOOL_WAIT_INITIALIZE &&
10636 vs->vs_initialize_state == VDEV_INITIALIZE_ACTIVE)
10637 bytes_remaining = vs->vs_initialize_bytes_est -
10638 vs->vs_initialize_bytes_done;
10639 else if (activity == ZPOOL_WAIT_TRIM &&
10640 vs->vs_trim_state == VDEV_TRIM_ACTIVE)
10641 bytes_remaining = vs->vs_trim_bytes_est -
10642 vs->vs_trim_bytes_done;
10643 else
10644 bytes_remaining = 0;
10645
10646 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
10647 &child, &children) != 0)
10648 children = 0;
10649
10650 for (c = 0; c < children; c++)
10651 bytes_remaining += vdev_activity_remaining(child[c], activity);
10652
10653 return (bytes_remaining);
10654 }
10655
10656 /* Add up the total number of bytes left to rebuild across top-level vdevs */
10657 static uint64_t
10658 vdev_activity_top_remaining(nvlist_t *nv)
10659 {
10660 uint64_t bytes_remaining = 0;
10661 nvlist_t **child;
10662 uint_t children;
10663 int error;
10664
10665 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
10666 &child, &children) != 0)
10667 children = 0;
10668
10669 for (uint_t c = 0; c < children; c++) {
10670 vdev_rebuild_stat_t *vrs;
10671 uint_t i;
10672
10673 error = nvlist_lookup_uint64_array(child[c],
10674 ZPOOL_CONFIG_REBUILD_STATS, (uint64_t **)&vrs, &i);
10675 if (error == 0) {
10676 if (vrs->vrs_state == VDEV_REBUILD_ACTIVE) {
10677 bytes_remaining += (vrs->vrs_bytes_est -
10678 vrs->vrs_bytes_rebuilt);
10679 }
10680 }
10681 }
10682
10683 return (bytes_remaining);
10684 }
10685
10686 /* Whether any vdevs are 'spare' or 'replacing' vdevs */
10687 static boolean_t
10688 vdev_any_spare_replacing(nvlist_t *nv)
10689 {
10690 nvlist_t **child;
10691 uint_t c, children;
10692 const char *vdev_type;
10693
10694 (void) nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &vdev_type);
10695
10696 if (strcmp(vdev_type, VDEV_TYPE_REPLACING) == 0 ||
10697 strcmp(vdev_type, VDEV_TYPE_SPARE) == 0 ||
10698 strcmp(vdev_type, VDEV_TYPE_DRAID_SPARE) == 0) {
10699 return (B_TRUE);
10700 }
10701
10702 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
10703 &child, &children) != 0)
10704 children = 0;
10705
10706 for (c = 0; c < children; c++) {
10707 if (vdev_any_spare_replacing(child[c]))
10708 return (B_TRUE);
10709 }
10710
10711 return (B_FALSE);
10712 }
10713
10714 typedef struct wait_data {
10715 char *wd_poolname;
10716 boolean_t wd_scripted;
10717 boolean_t wd_exact;
10718 boolean_t wd_headers_once;
10719 boolean_t wd_should_exit;
10720 /* Which activities to wait for */
10721 boolean_t wd_enabled[ZPOOL_WAIT_NUM_ACTIVITIES];
10722 float wd_interval;
10723 pthread_cond_t wd_cv;
10724 pthread_mutex_t wd_mutex;
10725 } wait_data_t;
10726
10727 /*
10728 * Print to stdout a single line, containing one column for each activity that
10729 * we are waiting for specifying how many bytes of work are left for that
10730 * activity.
10731 */
10732 static void
10733 print_wait_status_row(wait_data_t *wd, zpool_handle_t *zhp, int row)
10734 {
10735 nvlist_t *config, *nvroot;
10736 uint_t c;
10737 int i;
10738 pool_checkpoint_stat_t *pcs = NULL;
10739 pool_scan_stat_t *pss = NULL;
10740 pool_removal_stat_t *prs = NULL;
10741 const char *const headers[] = {"DISCARD", "FREE", "INITIALIZE",
10742 "REPLACE", "REMOVE", "RESILVER", "SCRUB", "TRIM"};
10743 int col_widths[ZPOOL_WAIT_NUM_ACTIVITIES];
10744
10745 /* Calculate the width of each column */
10746 for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++) {
10747 /*
10748 * Make sure we have enough space in the col for pretty-printed
10749 * numbers and for the column header, and then leave a couple
10750 * spaces between cols for readability.
10751 */
10752 col_widths[i] = MAX(strlen(headers[i]), 6) + 2;
10753 }
10754
10755 /* Print header if appropriate */
10756 int term_height = terminal_height();
10757 boolean_t reprint_header = (!wd->wd_headers_once && term_height > 0 &&
10758 row % (term_height-1) == 0);
10759 if (!wd->wd_scripted && (row == 0 || reprint_header)) {
10760 for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++) {
10761 if (wd->wd_enabled[i])
10762 (void) printf("%*s", col_widths[i], headers[i]);
10763 }
10764 (void) fputc('\n', stdout);
10765 }
10766
10767 /* Bytes of work remaining in each activity */
10768 int64_t bytes_rem[ZPOOL_WAIT_NUM_ACTIVITIES] = {0};
10769
10770 bytes_rem[ZPOOL_WAIT_FREE] =
10771 zpool_get_prop_int(zhp, ZPOOL_PROP_FREEING, NULL);
10772
10773 config = zpool_get_config(zhp, NULL);
10774 nvroot = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE);
10775
10776 (void) nvlist_lookup_uint64_array(nvroot,
10777 ZPOOL_CONFIG_CHECKPOINT_STATS, (uint64_t **)&pcs, &c);
10778 if (pcs != NULL && pcs->pcs_state == CS_CHECKPOINT_DISCARDING)
10779 bytes_rem[ZPOOL_WAIT_CKPT_DISCARD] = pcs->pcs_space;
10780
10781 (void) nvlist_lookup_uint64_array(nvroot,
10782 ZPOOL_CONFIG_REMOVAL_STATS, (uint64_t **)&prs, &c);
10783 if (prs != NULL && prs->prs_state == DSS_SCANNING)
10784 bytes_rem[ZPOOL_WAIT_REMOVE] = prs->prs_to_copy -
10785 prs->prs_copied;
10786
10787 (void) nvlist_lookup_uint64_array(nvroot,
10788 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&pss, &c);
10789 if (pss != NULL && pss->pss_state == DSS_SCANNING &&
10790 pss->pss_pass_scrub_pause == 0) {
10791 int64_t rem = pss->pss_to_examine - pss->pss_issued;
10792 if (pss->pss_func == POOL_SCAN_SCRUB)
10793 bytes_rem[ZPOOL_WAIT_SCRUB] = rem;
10794 else
10795 bytes_rem[ZPOOL_WAIT_RESILVER] = rem;
10796 } else if (check_rebuilding(nvroot, NULL)) {
10797 bytes_rem[ZPOOL_WAIT_RESILVER] =
10798 vdev_activity_top_remaining(nvroot);
10799 }
10800
10801 bytes_rem[ZPOOL_WAIT_INITIALIZE] =
10802 vdev_activity_remaining(nvroot, ZPOOL_WAIT_INITIALIZE);
10803 bytes_rem[ZPOOL_WAIT_TRIM] =
10804 vdev_activity_remaining(nvroot, ZPOOL_WAIT_TRIM);
10805
10806 /*
10807 * A replace finishes after resilvering finishes, so the amount of work
10808 * left for a replace is the same as for resilvering.
10809 *
10810 * It isn't quite correct to say that if we have any 'spare' or
10811 * 'replacing' vdevs and a resilver is happening, then a replace is in
10812 * progress, like we do here. When a hot spare is used, the faulted vdev
10813 * is not removed after the hot spare is resilvered, so parent 'spare'
10814 * vdev is not removed either. So we could have a 'spare' vdev, but be
10815 * resilvering for a different reason. However, we use it as a heuristic
10816 * because we don't have access to the DTLs, which could tell us whether
10817 * or not we have really finished resilvering a hot spare.
10818 */
10819 if (vdev_any_spare_replacing(nvroot))
10820 bytes_rem[ZPOOL_WAIT_REPLACE] = bytes_rem[ZPOOL_WAIT_RESILVER];
10821
10822 if (timestamp_fmt != NODATE)
10823 print_timestamp(timestamp_fmt);
10824
10825 for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++) {
10826 char buf[64];
10827 if (!wd->wd_enabled[i])
10828 continue;
10829
10830 if (wd->wd_exact)
10831 (void) snprintf(buf, sizeof (buf), "%" PRIi64,
10832 bytes_rem[i]);
10833 else
10834 zfs_nicenum(bytes_rem[i], buf, sizeof (buf));
10835
10836 if (wd->wd_scripted)
10837 (void) printf(i == 0 ? "%s" : "\t%s", buf);
10838 else
10839 (void) printf(" %*s", col_widths[i] - 1, buf);
10840 }
10841 (void) printf("\n");
10842 (void) fflush(stdout);
10843 }
10844
10845 static void *
10846 wait_status_thread(void *arg)
10847 {
10848 wait_data_t *wd = (wait_data_t *)arg;
10849 zpool_handle_t *zhp;
10850
10851 if ((zhp = zpool_open(g_zfs, wd->wd_poolname)) == NULL)
10852 return (void *)(1);
10853
10854 for (int row = 0; ; row++) {
10855 boolean_t missing;
10856 struct timespec timeout;
10857 int ret = 0;
10858 (void) clock_gettime(CLOCK_REALTIME, &timeout);
10859
10860 if (zpool_refresh_stats(zhp, &missing) != 0 || missing ||
10861 zpool_props_refresh(zhp) != 0) {
10862 zpool_close(zhp);
10863 return (void *)(uintptr_t)(missing ? 0 : 1);
10864 }
10865
10866 print_wait_status_row(wd, zhp, row);
10867
10868 timeout.tv_sec += floor(wd->wd_interval);
10869 long nanos = timeout.tv_nsec +
10870 (wd->wd_interval - floor(wd->wd_interval)) * NANOSEC;
10871 if (nanos >= NANOSEC) {
10872 timeout.tv_sec++;
10873 timeout.tv_nsec = nanos - NANOSEC;
10874 } else {
10875 timeout.tv_nsec = nanos;
10876 }
10877 pthread_mutex_lock(&wd->wd_mutex);
10878 if (!wd->wd_should_exit)
10879 ret = pthread_cond_timedwait(&wd->wd_cv, &wd->wd_mutex,
10880 &timeout);
10881 pthread_mutex_unlock(&wd->wd_mutex);
10882 if (ret == 0) {
10883 break; /* signaled by main thread */
10884 } else if (ret != ETIMEDOUT) {
10885 (void) fprintf(stderr, gettext("pthread_cond_timedwait "
10886 "failed: %s\n"), strerror(ret));
10887 zpool_close(zhp);
10888 return (void *)(uintptr_t)(1);
10889 }
10890 }
10891
10892 zpool_close(zhp);
10893 return (void *)(0);
10894 }
10895
10896 int
10897 zpool_do_wait(int argc, char **argv)
10898 {
10899 boolean_t verbose = B_FALSE;
10900 int c, i;
10901 unsigned long count;
10902 pthread_t status_thr;
10903 int error = 0;
10904 zpool_handle_t *zhp;
10905
10906 wait_data_t wd;
10907 wd.wd_scripted = B_FALSE;
10908 wd.wd_exact = B_FALSE;
10909 wd.wd_headers_once = B_FALSE;
10910 wd.wd_should_exit = B_FALSE;
10911
10912 pthread_mutex_init(&wd.wd_mutex, NULL);
10913 pthread_cond_init(&wd.wd_cv, NULL);
10914
10915 /* By default, wait for all types of activity. */
10916 for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++)
10917 wd.wd_enabled[i] = B_TRUE;
10918
10919 while ((c = getopt(argc, argv, "HpT:t:")) != -1) {
10920 switch (c) {
10921 case 'H':
10922 wd.wd_scripted = B_TRUE;
10923 break;
10924 case 'n':
10925 wd.wd_headers_once = B_TRUE;
10926 break;
10927 case 'p':
10928 wd.wd_exact = B_TRUE;
10929 break;
10930 case 'T':
10931 get_timestamp_arg(*optarg);
10932 break;
10933 case 't':
10934 /* Reset activities array */
10935 memset(&wd.wd_enabled, 0, sizeof (wd.wd_enabled));
10936
10937 for (char *tok; (tok = strsep(&optarg, ",")); ) {
10938 static const char *const col_opts[] = {
10939 "discard", "free", "initialize", "replace",
10940 "remove", "resilver", "scrub", "trim" };
10941
10942 for (i = 0; i < ARRAY_SIZE(col_opts); ++i)
10943 if (strcmp(tok, col_opts[i]) == 0) {
10944 wd.wd_enabled[i] = B_TRUE;
10945 goto found;
10946 }
10947
10948 (void) fprintf(stderr,
10949 gettext("invalid activity '%s'\n"), tok);
10950 usage(B_FALSE);
10951 found:;
10952 }
10953 break;
10954 case '?':
10955 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
10956 optopt);
10957 usage(B_FALSE);
10958 }
10959 }
10960
10961 argc -= optind;
10962 argv += optind;
10963
10964 get_interval_count(&argc, argv, &wd.wd_interval, &count);
10965 if (count != 0) {
10966 /* This subcmd only accepts an interval, not a count */
10967 (void) fprintf(stderr, gettext("too many arguments\n"));
10968 usage(B_FALSE);
10969 }
10970
10971 if (wd.wd_interval != 0)
10972 verbose = B_TRUE;
10973
10974 if (argc < 1) {
10975 (void) fprintf(stderr, gettext("missing 'pool' argument\n"));
10976 usage(B_FALSE);
10977 }
10978 if (argc > 1) {
10979 (void) fprintf(stderr, gettext("too many arguments\n"));
10980 usage(B_FALSE);
10981 }
10982
10983 wd.wd_poolname = argv[0];
10984
10985 if ((zhp = zpool_open(g_zfs, wd.wd_poolname)) == NULL)
10986 return (1);
10987
10988 if (verbose) {
10989 /*
10990 * We use a separate thread for printing status updates because
10991 * the main thread will call lzc_wait(), which blocks as long
10992 * as an activity is in progress, which can be a long time.
10993 */
10994 if (pthread_create(&status_thr, NULL, wait_status_thread, &wd)
10995 != 0) {
10996 (void) fprintf(stderr, gettext("failed to create status"
10997 "thread: %s\n"), strerror(errno));
10998 zpool_close(zhp);
10999 return (1);
11000 }
11001 }
11002
11003 /*
11004 * Loop over all activities that we are supposed to wait for until none
11005 * of them are in progress. Note that this means we can end up waiting
11006 * for more activities to complete than just those that were in progress
11007 * when we began waiting; if an activity we are interested in begins
11008 * while we are waiting for another activity, we will wait for both to
11009 * complete before exiting.
11010 */
11011 for (;;) {
11012 boolean_t missing = B_FALSE;
11013 boolean_t any_waited = B_FALSE;
11014
11015 for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++) {
11016 boolean_t waited;
11017
11018 if (!wd.wd_enabled[i])
11019 continue;
11020
11021 error = zpool_wait_status(zhp, i, &missing, &waited);
11022 if (error != 0 || missing)
11023 break;
11024
11025 any_waited = (any_waited || waited);
11026 }
11027
11028 if (error != 0 || missing || !any_waited)
11029 break;
11030 }
11031
11032 zpool_close(zhp);
11033
11034 if (verbose) {
11035 uintptr_t status;
11036 pthread_mutex_lock(&wd.wd_mutex);
11037 wd.wd_should_exit = B_TRUE;
11038 pthread_cond_signal(&wd.wd_cv);
11039 pthread_mutex_unlock(&wd.wd_mutex);
11040 (void) pthread_join(status_thr, (void *)&status);
11041 if (status != 0)
11042 error = status;
11043 }
11044
11045 pthread_mutex_destroy(&wd.wd_mutex);
11046 pthread_cond_destroy(&wd.wd_cv);
11047 return (error);
11048 }
11049
11050 static int
11051 find_command_idx(const char *command, int *idx)
11052 {
11053 for (int i = 0; i < NCOMMAND; ++i) {
11054 if (command_table[i].name == NULL)
11055 continue;
11056
11057 if (strcmp(command, command_table[i].name) == 0) {
11058 *idx = i;
11059 return (0);
11060 }
11061 }
11062 return (1);
11063 }
11064
11065 /*
11066 * Display version message
11067 */
11068 static int
11069 zpool_do_version(int argc, char **argv)
11070 {
11071 (void) argc, (void) argv;
11072 return (zfs_version_print() != 0);
11073 }
11074
11075 /* Display documentation */
11076 static int
11077 zpool_do_help(int argc, char **argv)
11078 {
11079 char page[MAXNAMELEN];
11080 if (argc < 3 || strcmp(argv[2], "zpool") == 0)
11081 strcpy(page, "zpool");
11082 else if (strcmp(argv[2], "concepts") == 0 ||
11083 strcmp(argv[2], "props") == 0)
11084 snprintf(page, sizeof (page), "zpool%s", argv[2]);
11085 else
11086 snprintf(page, sizeof (page), "zpool-%s", argv[2]);
11087
11088 execlp("man", "man", page, NULL);
11089
11090 fprintf(stderr, "couldn't run man program: %s", strerror(errno));
11091 return (-1);
11092 }
11093
11094 /*
11095 * Do zpool_load_compat() and print error message on failure
11096 */
11097 static zpool_compat_status_t
11098 zpool_do_load_compat(const char *compat, boolean_t *list)
11099 {
11100 char report[1024];
11101
11102 zpool_compat_status_t ret;
11103
11104 ret = zpool_load_compat(compat, list, report, 1024);
11105 switch (ret) {
11106
11107 case ZPOOL_COMPATIBILITY_OK:
11108 break;
11109
11110 case ZPOOL_COMPATIBILITY_NOFILES:
11111 case ZPOOL_COMPATIBILITY_BADFILE:
11112 case ZPOOL_COMPATIBILITY_BADTOKEN:
11113 (void) fprintf(stderr, "Error: %s\n", report);
11114 break;
11115
11116 case ZPOOL_COMPATIBILITY_WARNTOKEN:
11117 (void) fprintf(stderr, "Warning: %s\n", report);
11118 ret = ZPOOL_COMPATIBILITY_OK;
11119 break;
11120 }
11121 return (ret);
11122 }
11123
11124 int
11125 main(int argc, char **argv)
11126 {
11127 int ret = 0;
11128 int i = 0;
11129 char *cmdname;
11130 char **newargv;
11131
11132 (void) setlocale(LC_ALL, "");
11133 (void) setlocale(LC_NUMERIC, "C");
11134 (void) textdomain(TEXT_DOMAIN);
11135 srand(time(NULL));
11136
11137 opterr = 0;
11138
11139 /*
11140 * Make sure the user has specified some command.
11141 */
11142 if (argc < 2) {
11143 (void) fprintf(stderr, gettext("missing command\n"));
11144 usage(B_FALSE);
11145 }
11146
11147 cmdname = argv[1];
11148
11149 /*
11150 * Special case '-?'
11151 */
11152 if ((strcmp(cmdname, "-?") == 0) || strcmp(cmdname, "--help") == 0)
11153 usage(B_TRUE);
11154
11155 /*
11156 * Special case '-V|--version'
11157 */
11158 if ((strcmp(cmdname, "-V") == 0) || (strcmp(cmdname, "--version") == 0))
11159 return (zpool_do_version(argc, argv));
11160
11161 /*
11162 * Special case 'help'
11163 */
11164 if (strcmp(cmdname, "help") == 0)
11165 return (zpool_do_help(argc, argv));
11166
11167 if ((g_zfs = libzfs_init()) == NULL) {
11168 (void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
11169 return (1);
11170 }
11171
11172 libzfs_print_on_error(g_zfs, B_TRUE);
11173
11174 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
11175
11176 /*
11177 * Many commands modify input strings for string parsing reasons.
11178 * We create a copy to protect the original argv.
11179 */
11180 newargv = safe_malloc((argc + 1) * sizeof (newargv[0]));
11181 for (i = 0; i < argc; i++)
11182 newargv[i] = strdup(argv[i]);
11183 newargv[argc] = NULL;
11184
11185 /*
11186 * Run the appropriate command.
11187 */
11188 if (find_command_idx(cmdname, &i) == 0) {
11189 current_command = &command_table[i];
11190 ret = command_table[i].func(argc - 1, newargv + 1);
11191 } else if (strchr(cmdname, '=')) {
11192 verify(find_command_idx("set", &i) == 0);
11193 current_command = &command_table[i];
11194 ret = command_table[i].func(argc, newargv);
11195 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) {
11196 /*
11197 * 'freeze' is a vile debugging abomination, so we treat
11198 * it as such.
11199 */
11200 zfs_cmd_t zc = {"\0"};
11201
11202 (void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name));
11203 ret = zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc);
11204 if (ret != 0) {
11205 (void) fprintf(stderr,
11206 gettext("failed to freeze pool: %d\n"), errno);
11207 ret = 1;
11208 }
11209
11210 log_history = 0;
11211 } else {
11212 (void) fprintf(stderr, gettext("unrecognized "
11213 "command '%s'\n"), cmdname);
11214 usage(B_FALSE);
11215 ret = 1;
11216 }
11217
11218 for (i = 0; i < argc; i++)
11219 free(newargv[i]);
11220 free(newargv);
11221
11222 if (ret == 0 && log_history)
11223 (void) zpool_log_history(g_zfs, history_str);
11224
11225 libzfs_fini(g_zfs);
11226
11227 /*
11228 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
11229 * for the purposes of running ::findleaks.
11230 */
11231 if (getenv("ZFS_ABORT") != NULL) {
11232 (void) printf("dumping core by request\n");
11233 abort();
11234 }
11235
11236 return (ret);
11237 }
OpenZFS on Linux and FreeBSD