external/gpl2/lvm2/dist/test/t-mirror-vgreduce-removemissing.sh

   1 # Copyright (C) 2008 Red Hat, Inc. All rights reserved.
   2 # Copyright (C) 2007 NEC Corporation
   3 #
   4 # This copyrighted material is made available to anyone wishing to use,
   5 # modify, copy, or redistribute it subject to the terms and conditions
   6 # of the GNU General Public License v.2.
   7 #
   8 # You should have received a copy of the GNU General Public License
   9 # along with this program; if not, write to the Free Software Foundation,
  10 # Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  11
  12 test_description="ensure that 'vgreduce --removemissing' works on mirrored LV"
  13
  14 . ./test-utils.sh
  15
  16 dmsetup_has_dm_devdir_support_ || exit 200
  17
  18 lv_is_on_ ()
  19 {
  20         local lv=$vg/$1
  21         shift
  22         local pvs=$*
  23
  24         echo "Check if $lv is exactly on PVs $pvs"
  25         rm -f out1 out2
  26         echo $pvs | sed 's/ /\n/g' | sort | uniq > out1
  27
  28         lvs -a -odevices --noheadings $lv | \
  29         sed 's/([^)]*)//g; s/[ ,]/\n/g' | sort | uniq > out2
  30
  31         diff --ignore-blank-lines out1 out2
  32 }
  33
  34 mimages_are_on_ ()
  35 {
  36         local lv=$1
  37         shift
  38         local pvs="$*"
  39         local mimages
  40         local i
  41
  42         echo "Check if mirror images of $lv are on PVs $pvs"
  43         rm -f out1 out2
  44         echo $pvs | sed 's/ /\n/g' | sort | uniq > out1
  45
  46         mimages=$(lvs --noheadings -a -o lv_name $vg | grep "${lv}_mimage_" | \
  47                 sed 's/\[//g; s/\]//g')
  48         for i in $mimages; do
  49                 echo "Checking $vg/$i"
  50                 lvs -a -odevices --noheadings $vg/$i | \
  51                         sed 's/([^)]*)//g; s/ //g; s/,/ /g' | sort | uniq >> out2
  52         done
  53
  54         diff --ignore-blank-lines out1 out2
  55 }
  56
  57 mirrorlog_is_on_()
  58 {
  59         local lv="$1"_mlog
  60         shift
  61         lv_is_on_ $lv $*
  62 }
  63
  64 lv_is_linear_()
  65 {
  66         echo "Check if $1 is linear LV (i.e. not a mirror)"
  67         lvs -o stripes,attr --noheadings $vg/$1 | sed 's/ //g'
  68         lvs -o stripes,attr --noheadings $vg/$1 | sed 's/ //g' | grep -q '^1-'
  69 }
  70
  71 rest_pvs_()
  72 {
  73         local index=$1
  74         local num=$2
  75         local rem=""
  76         local n
  77
  78         for n in $(seq 1 $(($index - 1))) $(seq $(($index + 1)) $num); do
  79                 eval local dev=$\dev$n
  80                 rem="$rem $dev"
  81         done
  82
  83         echo "$rem"
  84 }
  85
  86 # ---------------------------------------------------------------------
  87 # Initialize PVs and VGs
  88
  89 prepare_vg 5
  90
  91 # ---------------------------------------------------------------------
  92 # Common environment setup/cleanup for each sub testcases
  93
  94 prepare_lvs_()
  95 {
  96         lvremove -ff $vg;
  97         if dmsetup table|grep $vg; then
  98                 echo "ERROR: lvremove did leave some some mappings in DM behind!"
  99                 return 1
 100         fi
 101         :
 102 }
 103
 104 check_and_cleanup_lvs_()
 105 {
 106         lvs -a -o+devices $vg
 107         lvremove -ff $vg
 108         if dmsetup table|grep $vg; then
 109                 echo "ERROR: lvremove did leave some some mappings in DM behind!"
 110                 return 1
 111         fi
 112 }
 113
 114 recover_vg_()
 115 {
 116         enable_dev $*
 117         pvcreate -ff $*
 118         vgextend $vg $*
 119         check_and_cleanup_lvs_
 120 }
 121
 122 #COMM "check environment setup/cleanup"
 123 prepare_lvs_
 124 check_and_cleanup_lvs_
 125
 126 # ---------------------------------------------------------------------
 127 # one of mirror images has failed
 128
 129 #COMM "basic: fail the 2nd mirror image of 2-way mirrored LV"
 130 prepare_lvs_
 131 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
 132 lvchange -an $vg/$lv1
 133 aux mimages_are_on_ $lv1 $dev1 $dev2
 134 mirrorlog_is_on_ $lv1 $dev3
 135 disable_dev $dev2
 136 vgreduce --removemissing --force $vg
 137 lv_is_linear_ $lv1
 138 lv_is_on_ $lv1 $dev1
 139
 140 # "cleanup"
 141 recover_vg_ $dev2
 142
 143 # ---------------------------------------------------------------------
 144 # LV has 3 images in flat,
 145 # 1 out of 3 images fails
 146
 147 #COMM test_3way_mirror_fail_1_ <PV# to fail>
 148 test_3way_mirror_fail_1_()
 149 {
 150         local index=$1
 151
 152         lvcreate -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev3 $dev4:0-1
 153         lvchange -an $vg/$lv1
 154         aux mimages_are_on_ $lv1 $dev1 $dev2 $dev3
 155         mirrorlog_is_on_ $lv1 $dev4
 156         eval disable_dev \$dev$index
 157         vgreduce --removemissing --force $vg
 158         lvs -a -o+devices $vg
 159         mimages_are_on_ $lv1 $(rest_pvs_ $index 3)
 160         mirrorlog_is_on_ $lv1 $dev4
 161 }
 162
 163 for n in $(seq 1 3); do
 164         #COMM fail mirror image $(($n - 1)) of 3-way mirrored LV"
 165         prepare_lvs_
 166         test_3way_mirror_fail_1_ $n
 167         eval recover_vg_ \$dev$n
 168 done
 169
 170 # ---------------------------------------------------------------------
 171 # LV has 3 images in flat,
 172 # 2 out of 3 images fail
 173
 174 #COMM test_3way_mirror_fail_2_ <PV# NOT to fail>
 175 test_3way_mirror_fail_2_()
 176 {
 177         local index=$1
 178
 179         lvcreate -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev3 $dev4:0-1
 180         lvchange -an $vg/$lv1
 181         mimages_are_on_ $lv1 $dev1 $dev2 $dev3
 182         mirrorlog_is_on_ $lv1 $dev4
 183         rest_pvs_ $index 3
 184         disable_dev $(rest_pvs_ $index 3)
 185         vgreduce --force --removemissing $vg
 186         lvs -a -o+devices $vg
 187         aux lv_is_linear_ $lv1
 188         eval lv_is_on_ $lv1 \$dev$n
 189 }
 190
 191 for n in $(seq 1 3); do
 192         #COMM fail mirror images other than mirror image $(($n - 1)) of 3-way mirrored LV
 193         prepare_lvs_
 194         test_3way_mirror_fail_2_ $n
 195         recover_vg_ $(rest_pvs_ $n 3)
 196 done
 197
 198 # ---------------------------------------------------------------------
 199 # LV has 4 images, 1 of them is in the temporary mirror for syncing.
 200 # 1 out of 4 images fails
 201
 202 #COMM test_3way_mirror_plus_1_fail_1_ <PV# to fail>
 203 test_3way_mirror_plus_1_fail_1_()
 204 {
 205         local index=$1
 206
 207         lvcreate -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev3 $dev5:0-1
 208         lvchange -an $vg/$lv1
 209         lvconvert -m+1 $vg/$lv1 $dev4
 210         mimages_are_on_ $lv1 $dev1 $dev2 $dev3 $dev4
 211         mirrorlog_is_on_ $lv1 $dev5
 212         eval disable_dev \$dev$n
 213         vgreduce --removemissing --force $vg
 214         lvs -a -o+devices $vg
 215         mimages_are_on_ $lv1 $(rest_pvs_ $index 4)
 216         mirrorlog_is_on_ $lv1 $dev5
 217 }
 218
 219 for n in $(seq 1 4); do
 220         #COMM "fail mirror image $(($n - 1)) of 4-way (1 converting) mirrored LV"
 221         prepare_lvs_
 222         test_3way_mirror_plus_1_fail_1_ $n
 223         eval recover_vg_ \$dev$n
 224 done
 225
 226 # ---------------------------------------------------------------------
 227 # LV has 4 images, 1 of them is in the temporary mirror for syncing.
 228 # 3 out of 4 images fail
 229
 230 #COMM test_3way_mirror_plus_1_fail_3_ <PV# NOT to fail>
 231 test_3way_mirror_plus_1_fail_3_()
 232 {
 233         local index=$1
 234
 235         lvcreate -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev3 $dev5:0-1
 236         lvchange -an $vg/$lv1
 237         lvconvert -m+1 $vg/$lv1 $dev4
 238         mimages_are_on_ $lv1 $dev1 $dev2 $dev3 $dev4
 239         mirrorlog_is_on_ $lv1 $dev5
 240         disable_dev $(rest_pvs_ $index 4)
 241         vgreduce --removemissing --force $vg
 242         lvs -a -o+devices $vg
 243         eval local dev=\$dev$n
 244         mimages_are_on_ $lv1 $dev || lv_is_on_ $lv1 $dev
 245         not mirrorlog_is_on_ $lv1 $dev5
 246 }
 247
 248 for n in $(seq 1 4); do
 249         #COMM "fail mirror images other than mirror image $(($n - 1)) of 4-way (1 converting) mirrored LV"
 250         prepare_lvs_
 251         test_3way_mirror_plus_1_fail_3_ $n
 252         recover_vg_ $(rest_pvs_ $n 4)
 253 done
 254
 255 # ---------------------------------------------------------------------
 256 # LV has 4 images, 2 of them are in the temporary mirror for syncing.
 257 # 1 out of 4 images fail
 258
 259 # test_2way_mirror_plus_2_fail_1_ <PV# to fail>
 260 test_2way_mirror_plus_2_fail_1_()
 261 {
 262         local index=$1
 263
 264         lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 265         lvchange -an $vg/$lv1
 266         lvconvert -m+2 $vg/$lv1 $dev3 $dev4
 267         mimages_are_on_ $lv1 $dev1 $dev2 $dev3 $dev4
 268         mirrorlog_is_on_ $lv1 $dev5
 269         eval disable_dev \$dev$n
 270         vgreduce --removemissing --force $vg
 271         lvs -a -o+devices $vg
 272         mimages_are_on_ $lv1 $(rest_pvs_ $index 4)
 273         mirrorlog_is_on_ $lv1 $dev5
 274 }
 275
 276 for n in $(seq 1 4); do
 277         #COMM "fail mirror image $(($n - 1)) of 4-way (2 converting) mirrored LV"
 278         prepare_lvs_
 279         test_2way_mirror_plus_2_fail_1_ $n
 280         eval recover_vg_ \$dev$n
 281 done
 282
 283 # ---------------------------------------------------------------------
 284 # LV has 4 images, 2 of them are in the temporary mirror for syncing.
 285 # 3 out of 4 images fail
 286
 287 # test_2way_mirror_plus_2_fail_3_ <PV# NOT to fail>
 288 test_2way_mirror_plus_2_fail_3_()
 289 {
 290         local index=$1
 291
 292         lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 293         lvchange -an $vg/$lv1
 294         lvconvert -m+2 $vg/$lv1 $dev3 $dev4
 295         mimages_are_on_ $lv1 $dev1 $dev2 $dev3 $dev4
 296         mirrorlog_is_on_ $lv1 $dev5
 297         disable_dev $(rest_pvs_ $index 4)
 298         vgreduce --removemissing --force $vg
 299         lvs -a -o+devices $vg
 300         eval local dev=\$dev$n
 301         mimages_are_on_ $lv1 $dev || lv_is_on_ $lv1 $dev
 302         not mirrorlog_is_on_ $lv1 $dev5
 303 }
 304
 305 for n in $(seq 1 4); do
 306         #COMM "fail mirror images other than mirror image $(($n - 1)) of 4-way (2 converting) mirrored LV"
 307         prepare_lvs_
 308         test_2way_mirror_plus_2_fail_3_ $n
 309         recover_vg_ $(rest_pvs_ $n 4)
 310 done
 311
 312 # ---------------------------------------------------------------------
 313 # log device is gone (flat mirror and stacked mirror)
 314
 315 #COMM "fail mirror log of 2-way mirrored LV"
 316 prepare_lvs_
 317 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 318 lvchange -an $vg/$lv1
 319 mimages_are_on_ $lv1 $dev1 $dev2
 320 mirrorlog_is_on_ $lv1 $dev5
 321 disable_dev $dev5
 322 vgreduce --removemissing --force $vg
 323 mimages_are_on_ $lv1 $dev1 $dev2
 324 not mirrorlog_is_on_ $lv1 $dev5
 325 recover_vg_ $dev5
 326
 327 #COMM "fail mirror log of 3-way (1 converting) mirrored LV"
 328 prepare_lvs_
 329 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 330 lvchange -an $vg/$lv1
 331 lvconvert -m+1 $vg/$lv1 $dev3
 332 mimages_are_on_ $lv1 $dev1 $dev2 $dev3
 333 mirrorlog_is_on_ $lv1 $dev5
 334 disable_dev $dev5
 335 vgreduce --removemissing --force $vg
 336 mimages_are_on_ $lv1 $dev1 $dev2 $dev3
 337 not mirrorlog_is_on_ $lv1 $dev5
 338 recover_vg_ $dev5
 339
 340 # ---------------------------------------------------------------------
 341 # all images are gone (flat mirror and stacked mirror)
 342
 343 #COMM "fail all mirror images of 2-way mirrored LV"
 344 prepare_lvs_
 345 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 346 lvchange -an $vg/$lv1
 347 mimages_are_on_ $lv1 $dev1 $dev2
 348 mirrorlog_is_on_ $lv1 $dev5
 349 disable_dev $dev1 $dev2
 350 vgreduce --removemissing --force $vg
 351 not lvs $vg/$lv1
 352 recover_vg_ $dev1 $dev2
 353
 354 #COMM "fail all mirror images of 3-way (1 converting) mirrored LV"
 355 prepare_lvs_
 356 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 357 lvchange -an $vg/$lv1
 358 lvconvert -m+1 $vg/$lv1 $dev3
 359 mimages_are_on_ $lv1 $dev1 $dev2 $dev3
 360 mirrorlog_is_on_ $lv1 $dev5
 361 disable_dev $dev1 $dev2 $dev3
 362 vgreduce --removemissing --force $vg
 363 not lvs $vg/$lv1
 364 recover_vg_ $dev1 $dev2 $dev3
 365
 366 # ---------------------------------------------------------------------
 367 # Multiple LVs
 368
 369 #COMM "fail a mirror image of one of mirrored LV"
 370 prepare_lvs_
 371 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 372 lvchange -an $vg/$lv1
 373 lvcreate -l2 -m1 -n $lv2 $vg $dev3 $dev4 $dev5:1-1
 374 lvchange -an $vg/$lv2
 375 mimages_are_on_ $lv1 $dev1 $dev2
 376 mimages_are_on_ $lv2 $dev3 $dev4
 377 mirrorlog_is_on_ $lv1 $dev5
 378 mirrorlog_is_on_ $lv2 $dev5
 379 disable_dev $dev2
 380 vgreduce --removemissing --force $vg
 381 mimages_are_on_ $lv2 $dev3 $dev4
 382 mirrorlog_is_on_ $lv2 $dev5
 383 lv_is_linear_ $lv1
 384 lv_is_on_ $lv1 $dev1
 385 recover_vg_ $dev2
 386
 387 #COMM "fail mirror images, one for each mirrored LV"
 388 prepare_lvs_
 389 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 390 lvchange -an $vg/$lv1
 391 lvcreate -l2 -m1 -n $lv2 $vg $dev3 $dev4 $dev5:1-1
 392 lvchange -an $vg/$lv2
 393 mimages_are_on_ $lv1 $dev1 $dev2
 394 mimages_are_on_ $lv2 $dev3 $dev4
 395 mirrorlog_is_on_ $lv1 $dev5
 396 mirrorlog_is_on_ $lv2 $dev5
 397 disable_dev $dev2
 398 disable_dev $dev4
 399 vgreduce --removemissing --force $vg
 400 lv_is_linear_ $lv1
 401 lv_is_on_ $lv1 $dev1
 402 lv_is_linear_ $lv2
 403 lv_is_on_ $lv2 $dev3
 404 recover_vg_ $dev2 $dev4
 405
 406 # ---------------------------------------------------------------------
 407 # no failure
 408
 409 #COMM "no failures"
 410 prepare_lvs_
 411 lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0-1
 412 lvchange -an $vg/$lv1
 413 mimages_are_on_ $lv1 $dev1 $dev2
 414 mirrorlog_is_on_ $lv1 $dev5
 415 vgreduce --removemissing --force $vg
 416 mimages_are_on_ $lv1 $dev1 $dev2
 417 mirrorlog_is_on_ $lv1 $dev5
 418 check_and_cleanup_lvs_
 419
 420 # ---------------------------------------------------------------------
 421