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1 .\" $NetBSD: rd.4,v 1.11 2009/04/12 15:03:00 joerg Exp $
2 .\"
3 .\" Copyright (c) 1990, 1991, 1993
4 .\" The Regents of the University of California. All rights reserved.
5 .\"
6 .\" This code is derived from software contributed to Berkeley by
7 .\" the Systems Programming Group of the University of Utah Computer
8 .\" Science Department.
9 .\"
10 .\" Redistribution and use in source and binary forms, with or without
11 .\" modification, are permitted provided that the following conditions
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14 .\" notice, this list of conditions and the following disclaimer.
15 .\" 2. Redistributions in binary form must reproduce the above copyright
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18 .\" 3. Neither the name of the University nor the names of its contributors
19 .\" may be used to endorse or promote products derived from this software
20 .\" without specific prior written permission.
21 .\"
22 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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25 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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34 .\" from: @(#)rd.4 8.1 (Berkeley) 6/9/93
35 .\"
36 .Dd June 9, 1993
37 .Dt RD 4 hp300
38 .Os
39 .Sh NAME
40 .Nm rd
41 .Nd
42 .Tn CS/80
43 disk interface
44 .Sh SYNOPSIS
45 .Cd "rd* at hpibbus? slave?"
46 .Sh DESCRIPTION
47 This is a generic
48 .Tn CS/80
49 disk driver.
50 Only a small number of possible
51 .Tn CS/80
52 drives are supported,
53 but others can easily be added by adding tables to the driver.
54 It is a typical block-device driver; see
55 .Xr physio 4 .
56 .Pp
57 The script
58 .Xr MAKEDEV 8
59 should be used to create the
60 .Nm rd
61 special files; consult
62 .Xr mknod 8
63 if a special file needs to be made manually.
64 .Sh DISK SUPPORT
65 The driver interrogates the controller
66 to determine the type of drive attached.
67 The driver recognizes the following drives:
68 7912, 7914, 7933, 7936, 7937, 7945,
69 .Tn 757A/B ,
70 .Tn 7958A/B ,
71 .Tn 7959B ,
72 7962, 7963, 9122, 9134, 7912, 7936,
73 and 9122,
74 not all of which have been tested.
75 Special file names begin with
76 .Sq Li rd
77 and
78 .Sq Li rrd
79 for the block and character files respectively.
80 The second component of the name, a drive unit number in the range
81 of zero to seven, is represented by a
82 .Sq Li \&?
83 in the disk layouts below.
84 The last component of the name is the file system partition and is
85 designated by a letter from
86 .Sq Li a
87 to
88 .Sq Li h
89 which also corresponds to a minor device number sets: zero to seven,
90 eight to 15, 16 to 23 and so forth for drive zero, drive two and drive
91 three respectively
92 (see
93 .Xr physio 4 ) .
94 The location and size (in sectors) of the
95 partitions for these drives:
96 .Bl -hang
97 .It Tn 7945/7946 No partitions :
98 .Bl -column diskx undefined length "xxx-yyyy" -compact
99 .It Sy disk start length cyls
100 .It rd?a 112 15904 1-142
101 .It rd?b 16016 20160 143-322
102 .It rd?c 0 108416 0-967
103 .It rd?d 16016 40320 143-502
104 .It rd?e undefined Ta "" Ta ""
105 .It rd?f undefined Ta "" Ta ""
106 .It rd?g 36176 72240 323-967
107 .It rd?h 56336 52080 503-967
108 .El
109 .It Tn 9134D No partitions :
110 .Bl -column diskx undefined length "xxx-yyyy" -compact
111 .It Sy disk start length cyls
112 .It rd?a 96 15936 1-166
113 .It rd?b 16032 13056 167-302
114 .It rd?c 0 29088 0-302
115 .It rd?d undefined Ta "" Ta ""
116 .It rd?e undefined Ta "" Ta ""
117 .It rd?f undefined Ta "" Ta ""
118 .It rd?g undefined Ta "" Ta ""
119 .It rd?h undefined Ta "" Ta ""
120 .El
121 .It Tn 9122S No partitions :
122 .Bl -column diskx undefined length "xxx-yyyy" -compact
123 .It Sy disk start length cyls
124 .It rd?a undefined Ta "" Ta ""
125 .It rd?b undefined Ta "" Ta ""
126 .It rd?c 0 1232 0-76
127 .It rd?d undefined Ta "" Ta ""
128 .It rd?e undefined Ta "" Ta ""
129 .It rd?f undefined Ta "" Ta ""
130 .It rd?g undefined Ta "" Ta ""
131 .It rd?h undefined Ta "" Ta ""
132 .El
133 .It Tn 7912P No partitions :
134 .Bl -column diskx undefined length "xxx-yyyy" -compact
135 .It Sy disk start length cyls
136 .It rd?a 0 15904 0-70
137 .It rd?b 16128 22400 72-171
138 .It rd?c 0 128128 0-571
139 .It rd?d 16128 42560 72-261
140 .It rd?e undefined Ta "" Ta ""
141 .It rd?f undefined Ta "" Ta ""
142 .It rd?g 38528 89600 172-571
143 .It rd?h 58688 69440 262-571
144 .El
145 .It Tn 7914CT/P No partitions :
146 .Bl -column diskx undefined length "xxx-yyyy" -compact
147 .It Sy disk start length cyls
148 .It rd?a 224 15904 1-71
149 .It rd?b 16128 40320 72-251
150 .It rd?c 0 258048 0-1151
151 .It rd?d 16128 64960 72-361
152 .It rd?e 81088 98560 362-801
153 .It rd?f 179648 78400 802-1151
154 .It rd?g 56448 201600 252-1151
155 .It rd?h 81088 176960 362-1151
156 .El
157 .It Tn 7958A No partitions :
158 .Bl -column diskx undefined length "xxx-yyyy" -compact
159 .It Sy disk start length cyls
160 .It rd?a 252 16128 1-64
161 .It rd?b 16380 32256 65-192
162 .It rd?c 0 255276 0-1012
163 .It rd?d 16380 48384 65-256
164 .It rd?e 64764 100800 257-656
165 .It rd?f 165564 89712 657-1012
166 .It rd?g 48636 206640 193-1012
167 .It rd?h 64764 190512 257-1012
168 .El
169 .It Tn 7957A No partitions :
170 .Bl -column diskx undefined length "xxx-yyyy" -compact
171 .It Sy disk start length cyls
172 .It rd?a 154 16016 1-104
173 .It rd?b 16170 24640 105-264
174 .It rd?c 0 159544 0-1035
175 .It rd?d 16170 42350 105-379
176 .It rd?e 58520 54824 380-735
177 .It rd?f 113344 46200 736-1035
178 .It rd?g 40810 118734 265-1035
179 .It rd?h 58520 101024 380-1035
180 .El
181 .It Tn 7933H No partitions :
182 .Bl -column diskx undefined length "xxx-yyyy" -compact
183 .It Sy disk start length cyls
184 .It rd?a 598 16146 1-27
185 .It rd?b 16744 66976 28-139
186 .It rd?c 0 789958 0-1320
187 .It rd?d 83720 16146 140-166
188 .It rd?e 99866 165646 167-443
189 .It rd?f 265512 165646 444-720
190 .It rd?g 83720 706238 140-1320
191 .It rd?h 431158 358800 721-1320
192 .El
193 .It Tn 9134L No partitions :
194 .Bl -column diskx undefined length "xxx-yyyy" -compact
195 .It Sy disk start length cyls
196 .It rd?a 80 15920 1-199
197 .It rd?b 16000 20000 200-449
198 .It rd?c 0 77840 0-972
199 .It rd?d 16000 32000 200-599
200 .It rd?e undefined Ta "" Ta ""
201 .It rd?f undefined Ta "" Ta ""
202 .It rd?g 36000 41840 450-972
203 .It rd?h 48000 29840 600-972
204 .El
205 .It Tn 7936H No partitions :
206 .Bl -column diskx undefined length "xxx-yyyy" -compact
207 .It Sy disk start length cyls
208 .It rd?a 861 16359 1-19
209 .It rd?b 17220 67158 20-97
210 .It rd?c 0 600978 0-697
211 .It rd?d 84378 16359 98-116
212 .It rd?e 100737 120540 117-256
213 .It rd?f 220416 120540 256-395
214 .It rd?g 84378 516600 98-697
215 .It rd?h 341817 259161 397-697
216 .El
217 .It Tn 7937H No partitions :
218 .Bl -column diskx undefined length "xxx-yyyy" -compact
219 .It Sy disk start length cyls
220 .It rd?a 1599 15990 1-10
221 .It rd?b 17589 67158 11-52
222 .It rd?c 0 1116102 0-697
223 .It rd?d 84747 15990 53-62
224 .It rd?e 100737 246246 63-216
225 .It rd?f 346983 246246 217-370
226 .It rd?g 84747 1031355 53-697
227 .It rd?h 593229 522873 371-697
228 .El
229 .It Tn 7957B/7961B No partitions :
230 .Bl -column diskx undefined length "xxx-yyyy" -compact
231 .It Sy disk start length cyls
232 .It rd?a 126 16002 1-127
233 .It rd?b 16128 32760 128-387
234 .It rd?c 0 159894 0-1268
235 .It rd?d 16128 49140 128-517
236 .It rd?e 65268 50400 518-917
237 .It rd?f 115668 44226 918-1268
238 .It rd?g 48888 111006 388-1268
239 .It rd?h 65268 94626 518-1268
240 .El
241 .It Tn 7958B/7962B No partitions :
242 .Bl -column diskx undefined length "xxx-yyyy" -compact
243 .It Sy disk start length cyls
244 .It rd?a 378 16254 1-43
245 .It rd?b 16632 32886 44-130
246 .It rd?c 0 297108 0-785
247 .It rd?d 16632 49140 44-173
248 .It rd?e 65772 121716 174-495
249 .It rd?f 187488 109620 496-785
250 .It rd?g 49518 247590 131-785
251 .It rd?h 65772 231336 174-785
252 .El
253 .It Tn 7959B/7963B No partitions :
254 .Bl -column diskx undefined length "xxx-yyyy" -compact
255 .It Sy disk start length cyls
256 .It rd?a 378 16254 1-43
257 .It rd?b 16632 49140 44-173
258 .It rd?c 0 594216 0-1571
259 .It rd?d 16632 65772 44-217
260 .It rd?e 82404 303912 218-1021
261 .It rd?f 386316 207900 1022-1571
262 .It rd?g 65772 528444 174-1571
263 .It rd?h 82404 511812 218-1571
264 .El
265 .El
266 .Pp
267 The eight partitions as given support four basic, non-overlapping layouts,
268 though not all partitions exist on all drive types.
269 .Pp
270 In the first layout there are three partitions and a ``bootblock'' area.
271 The bootblock area is at the beginning of the disk and holds
272 the standalone disk boot program.
273 The
274 .Pa rd?a
275 partition is for the root file system,
276 .Pa rd?b
277 is a paging/swapping area, and
278 .Pa rd?g
279 is for everything else.
280 .Pp
281 The second layout is the same idea,
282 but has a larger paging/swapping partition
283 .Pq Pa rd?d
284 and
285 a smaller ``everything else'' partition
286 .Pq Pa rd?h .
287 This layout is better for environments which run many large processes.
288 .Pp
289 The third layout is a variation of the second,
290 but breaks the
291 .Pa rd?h
292 partition into two partitions,
293 .Pa rd?e
294 and
295 .Pa rd?f .
296 .Pp
297 The final layout is intended for a large, single file system second disk.
298 It is also used when writing out the boot program since it is the only
299 partition mapping the bootblock area.
300 .Sh FILES
301 .Bl -tag -width /dev/rrd[0-7][a-h] -compact
302 .It Pa /dev/rd[0-7][a-h]
303 block files
304 .It Pa /dev/rrd[0-7][a-h]
305 raw files
306 .El
307 .Sh DIAGNOSTICS
308 .Bl -diag
309 .It "rd%d err: v%d u%d, R0x%x F0x%x A0x%x I0x%x, block %d"
310 An unrecoverable data error occurred during transfer of the
311 specified block on the specified disk.
312 .El
313 .Sh BUGS
314 The current disk partitioning is totally bogus.
315 .Tn CS/80
316 drives have 256 byte sectors which are mapped to 512 byte
317 ``sectors'' by the driver.
318 Since some
319 .Tn CS/80
320 drives have an odd number of sectors per cylinder,
321 the disk geometry used is not always accurate.
322 .Pp
323 The partition tables for the file systems should be read off of each pack,
324 as they are never quite what any single installation would prefer,
325 and this would make packs more portable.
326 .Pp
327 A program to analyze the logged error information (even in its
328 present reduced form) is needed.