]>
Commit | Line | Data |
---|---|---|
64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
6f02172d | 4 | * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de> |
64c4757e NB |
5 | * |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * Author: Neil Brown | |
e736b623 | 22 | * Email: <neilb@suse.de> |
c82f047c | 23 | * |
aba69144 | 24 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 25 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
26 | */ |
27 | ||
9a9dab36 | 28 | #include "mdadm.h" |
64c4757e | 29 | #include "md_p.h" |
dd0781e5 | 30 | #include <ctype.h> |
64c4757e | 31 | |
4977146a N |
32 | static int scan_assemble(struct supertype *ss, |
33 | struct context *c, | |
34 | struct mddev_ident *ident); | |
ef898ce6 | 35 | static int misc_scan(char devmode, struct context *c); |
ba728be7 | 36 | static int stop_scan(int verbose); |
7d27d1c0 | 37 | static int misc_list(struct mddev_dev *devlist, |
86da243f | 38 | struct mddev_ident *ident, |
74db60b0 | 39 | char *dump_directory, |
86da243f | 40 | struct supertype *ss, struct context *c); |
7d27d1c0 | 41 | |
52826846 NB |
42 | int main(int argc, char *argv[]) |
43 | { | |
e0d19036 | 44 | int mode = 0; |
52826846 | 45 | int opt; |
e0d19036 | 46 | int option_index; |
52826846 | 47 | int rv; |
f9ce90ba | 48 | int i; |
52826846 | 49 | |
a93f8c65 | 50 | unsigned long long array_size = 0; |
40c9a66a | 51 | unsigned long long data_offset = INVALID_SECTORS; |
fa56eddb | 52 | struct mddev_ident ident; |
52826846 | 53 | char *configfile = NULL; |
1c7a808c | 54 | int devmode = 0; |
c82f047c | 55 | int bitmap_fd = -1; |
a655e550 N |
56 | struct mddev_dev *devlist = NULL; |
57 | struct mddev_dev **devlistend = & devlist; | |
58 | struct mddev_dev *dv; | |
52826846 | 59 | int devs_found = 0; |
38098016 | 60 | char *symlinks = NULL; |
2dddadb0 | 61 | int grow_continue = 0; |
f1ae21c4 NB |
62 | /* autof indicates whether and how to create device node. |
63 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
64 | * 0 - unset | |
65 | * 1 - don't create (no) | |
66 | * 2 - if is_standard, then create (yes) | |
67 | * 3 - create as 'md' - reject is_standard mdp (md) | |
68 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
69 | * 5 - default to md if not is_standard (md in config file) | |
70 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
71 | */ | |
9e33d556 N |
72 | struct context c = { |
73 | .require_homehost = 1, | |
74 | }; | |
e705e81b N |
75 | struct shape s = { |
76 | .level = UnSet, | |
77 | .layout = UnSet, | |
78 | .bitmap_chunk = UnSet, | |
79 | }; | |
52826846 | 80 | |
05697ec1 | 81 | char sys_hostname[256]; |
52826846 NB |
82 | char *mailaddr = NULL; |
83 | char *program = NULL; | |
9a36a9b7 | 84 | int increments = 20; |
d013a55e | 85 | int daemonise = 0; |
b5e64645 | 86 | char *pidfile = NULL; |
aa88f531 | 87 | int oneshot = 0; |
edde9560 | 88 | int spare_sharing = 1; |
82d9eba6 | 89 | struct supertype *ss = NULL; |
dfd4d8ee | 90 | int writemostly = 0; |
c06487ce | 91 | char *shortopt = short_options; |
773135f5 | 92 | int dosyslog = 0; |
8382f19b | 93 | int rebuild_map = 0; |
950bc344 | 94 | char *remove_path = NULL; |
20b60dcd | 95 | char *udev_filename = NULL; |
74db60b0 | 96 | char *dump_directory = NULL; |
52826846 | 97 | |
3d4064cc | 98 | int print_help = 0; |
0047d254 | 99 | FILE *outf; |
e5329c37 | 100 | |
52826846 NB |
101 | int mdfd = -1; |
102 | ||
dfe47e00 NB |
103 | srandom(time(0) ^ getpid()); |
104 | ||
52826846 | 105 | ident.uuid_set=0; |
98c6faba NB |
106 | ident.level = UnSet; |
107 | ident.raid_disks = UnSet; | |
108 | ident.super_minor= UnSet; | |
52826846 | 109 | ident.devices=0; |
a75f2fbc NB |
110 | ident.spare_group = NULL; |
111 | ident.autof = 0; | |
a825febc | 112 | ident.st = NULL; |
c82f047c | 113 | ident.bitmap_fd = -1; |
7ef02d01 | 114 | ident.bitmap_file = NULL; |
947fd4dd | 115 | ident.name[0] = 0; |
aef35714 N |
116 | ident.container = NULL; |
117 | ident.member = NULL; | |
52826846 | 118 | |
e0d19036 NB |
119 | while ((option_index = -1) , |
120 | (opt=getopt_long(argc, argv, | |
c06487ce | 121 | shortopt, long_options, |
e0d19036 NB |
122 | &option_index)) != -1) { |
123 | int newmode = mode; | |
35904960 | 124 | /* firstly, some mode-independent options */ |
52826846 | 125 | switch(opt) { |
1c7a808c N |
126 | case HelpOptions: |
127 | print_help = 2; | |
128 | continue; | |
52826846 | 129 | case 'h': |
1c7a808c | 130 | print_help = 1; |
3d4064cc | 131 | continue; |
52826846 NB |
132 | |
133 | case 'V': | |
134 | fputs(Version, stderr); | |
135 | exit(0); | |
136 | ||
9e33d556 | 137 | case 'v': c.verbose++; |
52826846 NB |
138 | continue; |
139 | ||
0937132d | 140 | case 'q': c.verbose--; |
dab6685f NB |
141 | continue; |
142 | ||
c82f047c | 143 | case 'b': |
1c7a808c N |
144 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE |
145 | || mode == GROW || mode == INCREMENTAL | |
146 | || mode == MANAGE) | |
c82f047c | 147 | break; /* b means bitmap */ |
1c7a808c | 148 | case Brief: |
9e33d556 | 149 | c.brief = 1; |
cd29a5c8 NB |
150 | continue; |
151 | ||
9e33d556 | 152 | case 'Y': c.export++; |
54bad364 KS |
153 | continue; |
154 | ||
997aed5d | 155 | case HomeHost: |
0ac91628 | 156 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 157 | c.require_homehost = 0; |
0ac91628 | 158 | else |
9e33d556 | 159 | c.homehost = optarg; |
997aed5d NB |
160 | continue; |
161 | ||
08ca2adf | 162 | case OffRootOpt: |
3e23ba9d | 163 | /* Silently ignore old option */ |
08ca2adf JS |
164 | continue; |
165 | ||
c2ecf5f6 | 166 | case Prefer: |
9e33d556 N |
167 | if (c.prefer) |
168 | free(c.prefer); | |
169 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
170 | c.prefer = NULL; | |
c2ecf5f6 N |
171 | continue; |
172 | ||
e0d19036 NB |
173 | case ':': |
174 | case '?': | |
175 | fputs(Usage, stderr); | |
176 | exit(2); | |
177 | } | |
178 | /* second, figure out the mode. | |
179 | * Some options force the mode. Others | |
aba69144 | 180 | * set the mode if it isn't already |
e0d19036 NB |
181 | */ |
182 | ||
183 | switch(opt) { | |
1c7a808c | 184 | case ManageOpt: |
c06487ce | 185 | newmode = MANAGE; |
024768c4 | 186 | shortopt = short_bitmap_options; |
c06487ce | 187 | break; |
e0d19036 | 188 | case 'a': |
1c7a808c | 189 | case Add: |
f33a71f1 | 190 | case AddSpare: |
e0d19036 | 191 | case 'r': |
1c7a808c | 192 | case Remove: |
70c55e36 N |
193 | case Replace: |
194 | case With: | |
e0d19036 | 195 | case 'f': |
1c7a808c | 196 | case Fail: |
41a3b72a | 197 | case ReAdd: /* re-add */ |
c06487ce NB |
198 | if (!mode) { |
199 | newmode = MANAGE; | |
024768c4 | 200 | shortopt = short_bitmap_options; |
c06487ce | 201 | } |
0320ea45 | 202 | break; |
e0d19036 | 203 | |
18361a1a N |
204 | case 'A': newmode = ASSEMBLE; |
205 | shortopt = short_bitmap_auto_options; | |
206 | break; | |
207 | case 'B': newmode = BUILD; | |
208 | shortopt = short_bitmap_auto_options; | |
209 | break; | |
210 | case 'C': newmode = CREATE; | |
211 | shortopt = short_bitmap_auto_options; | |
212 | break; | |
213 | case 'F': newmode = MONITOR; | |
214 | break; | |
024768c4 DL |
215 | case 'G': newmode = GROW; |
216 | shortopt = short_bitmap_options; | |
217 | break; | |
95b79df0 | 218 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
219 | shortopt = short_bitmap_auto_options; |
220 | break; | |
1f48664b | 221 | case AutoDetect: |
5a53aeec JS |
222 | newmode = AUTODETECT; |
223 | break; | |
e0d19036 | 224 | |
1c7a808c | 225 | case MiscOpt: |
e0d19036 NB |
226 | case 'D': |
227 | case 'E': | |
c82f047c | 228 | case 'X': |
5a53aeec | 229 | case 'Q': |
6d388a88 | 230 | case ExamineBB: |
74db60b0 N |
231 | case Dump: |
232 | case Restore: | |
a740cf64 | 233 | case Action: |
5a53aeec JS |
234 | newmode = MISC; |
235 | break; | |
236 | ||
e0d19036 NB |
237 | case 'R': |
238 | case 'S': | |
239 | case 'o': | |
240 | case 'w': | |
b90c0e9a | 241 | case 'W': |
1c7a808c | 242 | case WaitOpt: |
1770662b | 243 | case Waitclean: |
4cce4069 | 244 | case DetailPlatform: |
33414a01 | 245 | case KillSubarray: |
aa534678 | 246 | case UpdateSubarray: |
20b60dcd | 247 | case UdevRules: |
f7d3febc | 248 | case KillOpt: |
5a53aeec JS |
249 | if (!mode) |
250 | newmode = MISC; | |
251 | break; | |
252 | ||
253 | case NoSharing: | |
254 | newmode = MONITOR; | |
255 | break; | |
e0d19036 NB |
256 | } |
257 | if (mode && newmode == mode) { | |
258 | /* everybody happy ! */ | |
259 | } else if (mode && newmode != mode) { | |
260 | /* not allowed.. */ | |
e7b84f9d | 261 | pr_err(""); |
e0d19036 NB |
262 | if (option_index >= 0) |
263 | fprintf(stderr, "--%s", long_options[option_index].name); | |
264 | else | |
265 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 266 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
267 | map_num(modes, newmode), |
268 | map_num(modes, mode)); | |
269 | exit(2); | |
270 | } else if (!mode && newmode) { | |
271 | mode = newmode; | |
dec18cae | 272 | if (mode == MISC && devs_found) { |
e7b84f9d | 273 | pr_err("No action given for %s in --misc mode\n", |
dec18cae | 274 | devlist->devname); |
d33f1518 | 275 | cont_err("Action options must come before device names\n"); |
dec18cae N |
276 | exit(2); |
277 | } | |
e0d19036 NB |
278 | } else { |
279 | /* special case of -c --help */ | |
1c7a808c | 280 | if ((opt == 'c' || opt == ConfigFile) && |
e0d19036 NB |
281 | ( strncmp(optarg, "--h", 3)==0 || |
282 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 283 | fputs(Help_config, stdout); |
e0d19036 | 284 | exit(0); |
cd29a5c8 | 285 | } |
0320ea45 NB |
286 | |
287 | /* If first option is a device, don't force the mode yet */ | |
288 | if (opt == 1) { | |
289 | if (devs_found == 0) { | |
503975b9 | 290 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
291 | dv->devname = optarg; |
292 | dv->disposition = devmode; | |
dfd4d8ee | 293 | dv->writemostly = writemostly; |
da6b5ca9 | 294 | dv->used = 0; |
0320ea45 NB |
295 | dv->next = NULL; |
296 | *devlistend = dv; | |
297 | devlistend = &dv->next; | |
aba69144 | 298 | |
0320ea45 NB |
299 | devs_found++; |
300 | continue; | |
301 | } | |
302 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 303 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 304 | " (%s) is listed\n", optarg); |
0320ea45 NB |
305 | exit(2); |
306 | } | |
e0d19036 | 307 | if (option_index >= 0) |
e7b84f9d | 308 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 309 | else |
e7b84f9d | 310 | pr_err("-%c", opt); |
0320ea45 | 311 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
312 | exit(2); |
313 | } | |
314 | ||
315 | /* if we just set the mode, then done */ | |
316 | switch(opt) { | |
1c7a808c N |
317 | case ManageOpt: |
318 | case MiscOpt: | |
e0d19036 NB |
319 | case 'A': |
320 | case 'B': | |
321 | case 'C': | |
322 | case 'F': | |
dd0781e5 | 323 | case 'G': |
8382f19b | 324 | case 'I': |
1f48664b | 325 | case AutoDetect: |
e0d19036 NB |
326 | continue; |
327 | } | |
328 | if (opt == 1) { | |
9eafa1de | 329 | /* an undecorated option - must be a device name. |
e0d19036 | 330 | */ |
9eafa1de MN |
331 | |
332 | if (devs_found > 0 && devmode == DetailPlatform) { | |
333 | pr_err("controller may only be specified once. %s ignored\n", | |
334 | optarg); | |
335 | continue; | |
336 | } | |
337 | ||
1c7a808c | 338 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
e7b84f9d | 339 | pr_err("Must give one of -a/-r/-f" |
1c7a808c | 340 | " for subsequent devices at %s\n", optarg); |
52826846 NB |
341 | exit(2); |
342 | } | |
1c7a808c | 343 | if (devs_found > 0 && mode == GROW && !devmode) { |
e7b84f9d N |
344 | pr_err("Must give -a/--add for" |
345 | " devices to add: %s\n", optarg); | |
e5329c37 NB |
346 | exit(2); |
347 | } | |
503975b9 | 348 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
349 | dv->devname = optarg; |
350 | dv->disposition = devmode; | |
dfd4d8ee | 351 | dv->writemostly = writemostly; |
9008ed1c | 352 | dv->used = 0; |
cd29a5c8 NB |
353 | dv->next = NULL; |
354 | *devlistend = dv; | |
355 | devlistend = &dv->next; | |
aba69144 | 356 | |
52826846 NB |
357 | devs_found++; |
358 | continue; | |
682c7051 | 359 | } |
682c7051 | 360 | |
52826846 NB |
361 | /* We've got a mode, and opt is now something else which |
362 | * could depend on the mode */ | |
1c7a808c | 363 | #define O(a,b) ((a<<16)|b) |
52826846 | 364 | switch (O(mode,opt)) { |
7236ee7a | 365 | case O(GROW,'c'): |
1c7a808c | 366 | case O(GROW,ChunkSize): |
e0d19036 | 367 | case O(CREATE,'c'): |
1c7a808c | 368 | case O(CREATE,ChunkSize): |
e0d19036 | 369 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 370 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 371 | if (s.chunk) { |
e7b84f9d | 372 | pr_err("chunk/rounding may only be specified once. " |
52826846 NB |
373 | "Second value is %s.\n", optarg); |
374 | exit(2); | |
375 | } | |
e705e81b | 376 | s.chunk = parse_size(optarg); |
822e393a N |
377 | if (s.chunk == INVALID_SECTORS || |
378 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 379 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
380 | optarg); |
381 | exit(2); | |
382 | } | |
a252c078 | 383 | /* Convert sectors to K */ |
e705e81b | 384 | s.chunk /= 2; |
52826846 | 385 | continue; |
64c4757e | 386 | |
8382f19b | 387 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
388 | case O(CREATE,'e'): |
389 | case O(ASSEMBLE,'e'): | |
390 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
391 | if (ss) { | |
e7b84f9d | 392 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
393 | exit(2); |
394 | } | |
aba69144 | 395 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
396 | ss = superlist[i]->match_metadata_desc(optarg); |
397 | ||
f9ce90ba | 398 | if (!ss) { |
e7b84f9d | 399 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
400 | exit(2); |
401 | } | |
402 | continue; | |
403 | ||
dfd4d8ee | 404 | case O(MANAGE,'W'): |
1c7a808c | 405 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 406 | case O(BUILD,'W'): |
1c7a808c | 407 | case O(BUILD,WriteMostly): |
dfd4d8ee | 408 | case O(CREATE,'W'): |
1c7a808c | 409 | case O(CREATE,WriteMostly): |
dfd4d8ee NB |
410 | /* set write-mostly for following devices */ |
411 | writemostly = 1; | |
412 | continue; | |
413 | ||
b3d31955 N |
414 | case O(MANAGE,'w'): |
415 | /* clear write-mostly for following devices */ | |
416 | writemostly = 2; | |
417 | continue; | |
418 | ||
dd0781e5 | 419 | case O(GROW,'z'): |
25affb56 PC |
420 | case O(CREATE,'z'): |
421 | case O(BUILD,'z'): /* size */ | |
e705e81b | 422 | if (s.size > 0) { |
e7b84f9d | 423 | pr_err("size may only be specified once. " |
52826846 NB |
424 | "Second value is %s.\n", optarg); |
425 | exit(2); | |
426 | } | |
dd0781e5 | 427 | if (strcmp(optarg, "max")==0) |
e705e81b | 428 | s.size = MAX_SIZE; |
dd0781e5 | 429 | else { |
e705e81b | 430 | s.size = parse_size(optarg); |
822e393a N |
431 | if (s.size == INVALID_SECTORS || |
432 | s.size < 8) { | |
e7b84f9d | 433 | pr_err("invalid size: %s\n", |
dd0781e5 NB |
434 | optarg); |
435 | exit(2); | |
436 | } | |
5f4fc0e1 | 437 | /* convert sectors to K */ |
e705e81b | 438 | s.size /= 2; |
52826846 NB |
439 | } |
440 | continue; | |
64c4757e | 441 | |
84e11361 | 442 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 443 | if (array_size > 0) { |
e7b84f9d | 444 | pr_err("array-size may only be specified once. " |
84e11361 N |
445 | "Second value is %s.\n", optarg); |
446 | exit(2); | |
447 | } | |
448 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 449 | array_size = MAX_SIZE; |
84e11361 N |
450 | else { |
451 | array_size = parse_size(optarg); | |
822e393a N |
452 | if (array_size == 0 || |
453 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 454 | pr_err("invalid array size: %s\n", |
84e11361 N |
455 | optarg); |
456 | exit(2); | |
457 | } | |
458 | } | |
459 | continue; | |
460 | ||
40c9a66a N |
461 | case O(CREATE,DataOffset): |
462 | case O(GROW,DataOffset): | |
463 | if (data_offset != INVALID_SECTORS) { | |
ed503f89 | 464 | pr_err("data-offset may only be specified one. " |
40c9a66a N |
465 | "Second value is %s.\n", optarg); |
466 | exit(2); | |
467 | } | |
72ca9bcf N |
468 | if (mode == CREATE && |
469 | strcmp(optarg, "variable") == 0) | |
470 | data_offset = VARIABLE_OFFSET; | |
471 | else | |
472 | data_offset = parse_size(optarg); | |
40c9a66a | 473 | if (data_offset == INVALID_SECTORS) { |
ed503f89 | 474 | pr_err("invalid data-offset: %s\n", |
40c9a66a N |
475 | optarg); |
476 | exit(2); | |
477 | } | |
478 | continue; | |
479 | ||
7236ee7a | 480 | case O(GROW,'l'): |
e0d19036 NB |
481 | case O(CREATE,'l'): |
482 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 483 | if (s.level != UnSet) { |
e7b84f9d | 484 | pr_err("raid level may only be set once. " |
52826846 NB |
485 | "Second value is %s.\n", optarg); |
486 | exit(2); | |
487 | } | |
e705e81b N |
488 | s.level = map_name(pers, optarg); |
489 | if (s.level == UnSet) { | |
e7b84f9d | 490 | pr_err("invalid raid level: %s\n", |
52826846 NB |
491 | optarg); |
492 | exit(2); | |
493 | } | |
e705e81b N |
494 | if (s.level != 0 && s.level != LEVEL_LINEAR && s.level != 1 && |
495 | s.level != LEVEL_MULTIPATH && s.level != LEVEL_FAULTY && | |
496 | s.level != 10 && | |
e0fe762a | 497 | mode == BUILD) { |
e7b84f9d | 498 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
499 | optarg); |
500 | exit(2); | |
501 | } | |
e705e81b | 502 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 503 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
504 | optarg); |
505 | exit(2); | |
506 | } | |
e705e81b | 507 | ident.level = s.level; |
52826846 | 508 | continue; |
64c4757e | 509 | |
19678e53 | 510 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 511 | case O(GROW, Layout): |
e705e81b | 512 | if (s.layout_str) { |
e7b84f9d N |
513 | pr_err("layout may only be sent once. " |
514 | "Second value was %s\n", optarg); | |
19678e53 N |
515 | exit(2); |
516 | } | |
e705e81b | 517 | s.layout_str = optarg; |
19678e53 N |
518 | /* 'Grow' will parse the value */ |
519 | continue; | |
520 | ||
e0d19036 | 521 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 522 | case O(CREATE,Layout): |
b5e64645 | 523 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 524 | case O(BUILD,Layout): |
e705e81b | 525 | if (s.layout != UnSet) { |
e7b84f9d N |
526 | pr_err("layout may only be sent once. " |
527 | "Second value was %s\n", optarg); | |
52826846 NB |
528 | exit(2); |
529 | } | |
e705e81b | 530 | switch(s.level) { |
52826846 | 531 | default: |
e7b84f9d | 532 | pr_err("layout not meaningful for %s arrays.\n", |
e705e81b | 533 | map_num(pers, s.level)); |
52826846 | 534 | exit(2); |
98c6faba | 535 | case UnSet: |
e7b84f9d | 536 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
537 | exit(2); |
538 | ||
539 | case 5: | |
e705e81b N |
540 | s.layout = map_name(r5layout, optarg); |
541 | if (s.layout==UnSet) { | |
e7b84f9d | 542 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
543 | optarg); |
544 | exit(2); | |
545 | } | |
546 | break; | |
b640a252 | 547 | case 6: |
e705e81b N |
548 | s.layout = map_name(r6layout, optarg); |
549 | if (s.layout==UnSet) { | |
e7b84f9d | 550 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
551 | optarg); |
552 | exit(2); | |
553 | } | |
554 | break; | |
e5329c37 NB |
555 | |
556 | case 10: | |
e705e81b N |
557 | s.layout = parse_layout_10(optarg); |
558 | if (s.layout < 0) { | |
e7b84f9d | 559 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
560 | exit(2); |
561 | } | |
e5329c37 | 562 | break; |
19678e53 N |
563 | case LEVEL_FAULTY: |
564 | /* Faulty | |
565 | * modeNNN | |
566 | */ | |
e705e81b N |
567 | s.layout = parse_layout_faulty(optarg); |
568 | if (s.layout == -1) { | |
e7b84f9d | 569 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
570 | optarg); |
571 | exit(2); | |
572 | } | |
4a06e2c2 | 573 | break; |
52826846 NB |
574 | } |
575 | continue; | |
576 | ||
997aed5d NB |
577 | case O(CREATE,AssumeClean): |
578 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 579 | case O(GROW,AssumeClean): |
e705e81b | 580 | s.assume_clean = 1; |
dd0781e5 NB |
581 | continue; |
582 | ||
583 | case O(GROW,'n'): | |
e0d19036 NB |
584 | case O(CREATE,'n'): |
585 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 586 | if (s.raiddisks) { |
e7b84f9d | 587 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 588 | s.raiddisks, optarg); |
52826846 NB |
589 | exit(2); |
590 | } | |
e705e81b N |
591 | s.raiddisks = parse_num(optarg); |
592 | if (s.raiddisks <= 0) { | |
e7b84f9d | 593 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
594 | optarg); |
595 | exit(2); | |
596 | } | |
e705e81b | 597 | ident.raid_disks = s.raiddisks; |
52826846 NB |
598 | continue; |
599 | ||
18361a1a | 600 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 601 | if (s.sparedisks) { |
e7b84f9d | 602 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 603 | s.sparedisks, optarg); |
52826846 NB |
604 | exit(2); |
605 | } | |
e705e81b | 606 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 607 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 608 | s.level); |
52826846 NB |
609 | exit(2); |
610 | } | |
e705e81b N |
611 | s.sparedisks = parse_num(optarg); |
612 | if (s.sparedisks < 0) { | |
e7b84f9d | 613 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
614 | optarg); |
615 | exit(2); | |
616 | } | |
617 | continue; | |
dd0781e5 NB |
618 | |
619 | case O(CREATE,'a'): | |
1c7a808c | 620 | case O(CREATE,Auto): |
dd0781e5 | 621 | case O(BUILD,'a'): |
1c7a808c | 622 | case O(BUILD,Auto): |
95b79df0 | 623 | case O(INCREMENTAL,'a'): |
1c7a808c N |
624 | case O(INCREMENTAL,Auto): |
625 | case O(ASSEMBLE,'a'): | |
626 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 627 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
628 | continue; |
629 | ||
38098016 NB |
630 | case O(CREATE,Symlinks): |
631 | case O(BUILD,Symlinks): | |
632 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
633 | symlinks = optarg; | |
634 | continue; | |
635 | ||
aa88f531 | 636 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 637 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 638 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 639 | case O(GROW,Force): /* ditto */ |
e0d19036 | 640 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 641 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 642 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 643 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 644 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 645 | case O(MISC,Force): /* force zero */ |
11b391ec | 646 | case O(MANAGE,Force): /* add device which is too large */ |
9e33d556 | 647 | c.force=1; |
52826846 | 648 | continue; |
52826846 | 649 | /* now for the Assemble options */ |
b76b30e0 AK |
650 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
651 | * initrd phase */ | |
652 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 653 | c.freeze_reshape = 1; |
b76b30e0 | 654 | continue; |
3d3dd91e | 655 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 656 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 657 | if (ident.uuid_set) { |
e7b84f9d | 658 | pr_err("uuid cannot be set twice. " |
52826846 NB |
659 | "Second value %s.\n", optarg); |
660 | exit(2); | |
661 | } | |
662 | if (parse_uuid(optarg, ident.uuid)) | |
663 | ident.uuid_set = 1; | |
664 | else { | |
e7b84f9d | 665 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
666 | exit(2); |
667 | } | |
668 | continue; | |
669 | ||
947fd4dd NB |
670 | case O(CREATE,'N'): |
671 | case O(ASSEMBLE,'N'): | |
aa534678 | 672 | case O(MISC,'N'): |
947fd4dd | 673 | if (ident.name[0]) { |
e7b84f9d | 674 | pr_err("name cannot be set twice. " |
947fd4dd NB |
675 | "Second value %s.\n", optarg); |
676 | exit(2); | |
677 | } | |
9e33d556 | 678 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 679 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
680 | exit(2); |
681 | } | |
947fd4dd | 682 | if (strlen(optarg) > 32) { |
e7b84f9d | 683 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
684 | optarg); |
685 | exit(2); | |
686 | } | |
687 | strcpy(ident.name, optarg); | |
688 | continue; | |
689 | ||
e0d19036 | 690 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 691 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 692 | if (ident.super_minor != UnSet) { |
e7b84f9d | 693 | pr_err("super-minor cannot be set twice. " |
cd29a5c8 NB |
694 | "Second value: %s.\n", optarg); |
695 | exit(2); | |
696 | } | |
d013a55e NB |
697 | if (strcmp(optarg, "dev")==0) |
698 | ident.super_minor = -2; | |
699 | else { | |
79868890 N |
700 | ident.super_minor = parse_num(optarg); |
701 | if (ident.super_minor < 0) { | |
e7b84f9d | 702 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
703 | exit(2); |
704 | } | |
cd29a5c8 NB |
705 | } |
706 | continue; | |
707 | ||
0ea8f5b1 N |
708 | case O(ASSEMBLE,'o'): |
709 | case O(MANAGE,'o'): | |
710 | case O(CREATE,'o'): | |
9e33d556 | 711 | c.readonly = 1; |
0ea8f5b1 N |
712 | continue; |
713 | ||
5787fa49 | 714 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 715 | case O(MISC,'U'): |
9e33d556 | 716 | if (c.update) { |
e7b84f9d | 717 | pr_err("Can only update one aspect" |
833bb0f8 | 718 | " of superblock, both %s and %s given.\n", |
9e33d556 | 719 | c.update, optarg); |
5787fa49 NB |
720 | exit(2); |
721 | } | |
9e33d556 | 722 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 723 | pr_err("Only subarrays can be" |
833bb0f8 | 724 | " updated in misc mode\n"); |
aa534678 DW |
725 | exit(2); |
726 | } | |
9e33d556 N |
727 | c.update = optarg; |
728 | if (strcmp(c.update, "sparc2.2")==0) | |
e5329c37 | 729 | continue; |
9e33d556 | 730 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 731 | continue; |
9e33d556 | 732 | if (strcmp(c.update, "summaries")==0) |
feb716e9 | 733 | continue; |
9e33d556 | 734 | if (strcmp(c.update, "resync")==0) |
e5329c37 | 735 | continue; |
9e33d556 | 736 | if (strcmp(c.update, "uuid")==0) |
7d99579f | 737 | continue; |
9e33d556 | 738 | if (strcmp(c.update, "name")==0) |
c4f12c13 | 739 | continue; |
9e33d556 | 740 | if (strcmp(c.update, "homehost")==0) |
0237e0ca | 741 | continue; |
9e33d556 | 742 | if (strcmp(c.update, "devicesize")==0) |
bee8ec56 | 743 | continue; |
9e33d556 | 744 | if (strcmp(c.update, "no-bitmap")==0) |
5a31170d | 745 | continue; |
688e99a7 N |
746 | if (strcmp(c.update, "bbl") == 0) |
747 | continue; | |
748 | if (strcmp(c.update, "no-bbl") == 0) | |
749 | continue; | |
afa368f4 N |
750 | if (strcmp(c.update, "metadata") == 0) |
751 | continue; | |
199f1a1f N |
752 | if (strcmp(c.update, "revert-reshape") == 0) |
753 | continue; | |
9e33d556 | 754 | if (strcmp(c.update, "byteorder")==0) { |
586ed405 | 755 | if (ss) { |
e7b84f9d N |
756 | pr_err("must not set metadata" |
757 | " type with --update=byteorder.\n"); | |
586ed405 NB |
758 | exit(2); |
759 | } | |
aba69144 | 760 | for(i=0; !ss && superlist[i]; i++) |
833bb0f8 N |
761 | ss = superlist[i]->match_metadata_desc( |
762 | "0.swap"); | |
586ed405 | 763 | if (!ss) { |
e7b84f9d | 764 | pr_err("INTERNAL ERROR" |
833bb0f8 | 765 | " cannot find 0.swap\n"); |
586ed405 NB |
766 | exit(2); |
767 | } | |
768 | ||
769 | continue; | |
770 | } | |
9e33d556 N |
771 | if (strcmp(c.update,"?") == 0 || |
772 | strcmp(c.update, "help") == 0) { | |
0047d254 NB |
773 | outf = stdout; |
774 | fprintf(outf, Name ": "); | |
775 | } else { | |
776 | outf = stderr; | |
777 | fprintf(outf, | |
778 | Name ": '--update=%s' is invalid. ", | |
9e33d556 | 779 | c.update); |
0047d254 NB |
780 | } |
781 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 | 782 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
5a31170d | 783 | " 'summaries', 'homehost', 'byteorder', 'devicesize',\n" |
199f1a1f | 784 | " 'no-bitmap', 'metadata', 'revert-reshape'\n"); |
0047d254 | 785 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 786 | |
833bb0f8 N |
787 | case O(MANAGE,'U'): |
788 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 789 | if (devmode != 'A') { |
e7b84f9d | 790 | pr_err("--update in Manage mode only" |
833bb0f8 N |
791 | " allowed with --re-add.\n"); |
792 | exit(1); | |
793 | } | |
9e33d556 | 794 | if (c.update) { |
e7b84f9d | 795 | pr_err("Can only update one aspect" |
833bb0f8 | 796 | " of superblock, both %s and %s given.\n", |
9e33d556 | 797 | c.update, optarg); |
833bb0f8 N |
798 | exit(2); |
799 | } | |
9e33d556 | 800 | c.update = optarg; |
688e99a7 N |
801 | if (strcmp(c.update, "devicesize") != 0 && |
802 | strcmp(c.update, "bbl") != 0 && | |
803 | strcmp(c.update, "no-bbl") != 0) { | |
804 | pr_err("only 'devicesize', 'bbl' and 'no-bbl' can be" | |
833bb0f8 N |
805 | " updated with --re-add\n"); |
806 | exit(2); | |
807 | } | |
808 | continue; | |
809 | ||
172356c9 | 810 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 811 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 812 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
813 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
814 | * so we overload slightly */ | |
b8a8ccf9 NB |
815 | continue; |
816 | ||
1c7a808c N |
817 | case O(ASSEMBLE,'c'): |
818 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 819 | case O(INCREMENTAL, 'c'): |
1c7a808c | 820 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 821 | case O(MISC, 'c'): |
1c7a808c | 822 | case O(MISC, ConfigFile): |
e0d19036 | 823 | case O(MONITOR,'c'): |
1c7a808c | 824 | case O(MONITOR,ConfigFile): |
9ccfd3be | 825 | case O(CREATE,ConfigFile): |
52826846 | 826 | if (configfile) { |
e7b84f9d | 827 | pr_err("configfile cannot be set twice. " |
52826846 NB |
828 | "Second value is %s.\n", optarg); |
829 | exit(2); | |
830 | } | |
831 | configfile = optarg; | |
8aec876d | 832 | set_conffile(configfile); |
52826846 NB |
833 | /* FIXME possibly check that config file exists. Even parse it */ |
834 | continue; | |
e0d19036 NB |
835 | case O(ASSEMBLE,'s'): /* scan */ |
836 | case O(MISC,'s'): | |
837 | case O(MONITOR,'s'): | |
8382f19b | 838 | case O(INCREMENTAL,'s'): |
9e33d556 | 839 | c.scan = 1; |
52826846 NB |
840 | continue; |
841 | ||
e0d19036 | 842 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 843 | case O(MONITOR,EMail): |
52826846 | 844 | if (mailaddr) |
e7b84f9d | 845 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
846 | optarg); |
847 | else | |
848 | mailaddr = optarg; | |
849 | continue; | |
850 | ||
e0d19036 | 851 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 852 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 853 | if (program) |
e7b84f9d | 854 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
855 | optarg); |
856 | else | |
857 | program = optarg; | |
858 | continue; | |
64c4757e | 859 | |
9a36a9b7 | 860 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 861 | case O(MONITOR,Increment): |
9a36a9b7 | 862 | increments = atoi(optarg); |
18361a1a | 863 | if (increments > 99 || increments < 1) { |
e7b84f9d | 864 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
865 | exit(2); |
866 | } | |
867 | continue; | |
868 | ||
e0d19036 | 869 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 870 | case O(GROW, 'd'): |
c82f047c NB |
871 | case O(BUILD,'d'): /* delay for bitmap updates */ |
872 | case O(CREATE,'d'): | |
9e33d556 | 873 | if (c.delay) |
e7b84f9d | 874 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
875 | optarg); |
876 | else { | |
9e33d556 N |
877 | c.delay = parse_num(optarg); |
878 | if (c.delay < 1) { | |
e7b84f9d | 879 | pr_err("invalid delay: %s\n", |
52826846 NB |
880 | optarg); |
881 | exit(2); | |
882 | } | |
883 | } | |
884 | continue; | |
d013a55e | 885 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 886 | case O(MONITOR,Fork): |
d013a55e NB |
887 | daemonise = 1; |
888 | continue; | |
b5e64645 NB |
889 | case O(MONITOR,'i'): /* pid */ |
890 | if (pidfile) | |
e7b84f9d | 891 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
892 | optarg); |
893 | else | |
894 | pidfile = optarg; | |
895 | continue; | |
aa88f531 NB |
896 | case O(MONITOR,'1'): /* oneshot */ |
897 | oneshot = 1; | |
3f555346 | 898 | spare_sharing = 0; |
aa88f531 | 899 | continue; |
98c6faba | 900 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 901 | c.test = 1; |
98c6faba | 902 | continue; |
773135f5 | 903 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 904 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
905 | dosyslog = 1; |
906 | continue; | |
edde9560 AC |
907 | case O(MONITOR, NoSharing): |
908 | spare_sharing = 0; | |
909 | continue; | |
18361a1a | 910 | |
52826846 NB |
911 | /* now the general management options. Some are applicable |
912 | * to other modes. None have arguments. | |
913 | */ | |
e5329c37 | 914 | case O(GROW,'a'): |
1c7a808c N |
915 | case O(GROW,Add): |
916 | case O(MANAGE,'a'): | |
917 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 918 | devmode = 'a'; |
fe80f49b | 919 | continue; |
f33a71f1 N |
920 | case O(MANAGE,AddSpare): /* add drive - never re-add */ |
921 | devmode = 'S'; | |
922 | continue; | |
997aed5d | 923 | case O(MANAGE,ReAdd): |
c8e1a230 | 924 | devmode = 'A'; |
52826846 | 925 | continue; |
e0d19036 | 926 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 927 | case O(MANAGE,Remove): |
52826846 NB |
928 | devmode = 'r'; |
929 | continue; | |
e0d19036 | 930 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
931 | case O(MANAGE,Fail): |
932 | case O(INCREMENTAL,'f'): | |
933 | case O(INCREMENTAL,Remove): | |
934 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
935 | * even though we will both fail and |
936 | * remove the device */ | |
52826846 NB |
937 | devmode = 'f'; |
938 | continue; | |
70c55e36 N |
939 | case O(MANAGE,Replace): |
940 | /* Mark these devices for replacement */ | |
941 | devmode = 'R'; | |
942 | continue; | |
943 | case O(MANAGE,With): | |
944 | /* These are the replacements to use */ | |
945 | if (devmode != 'R') { | |
946 | pr_err("--with must follow --replace\n"); | |
947 | exit(2); | |
948 | } | |
949 | devmode = 'W'; | |
950 | continue; | |
8382f19b | 951 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
952 | case O(MANAGE,'R'): |
953 | case O(ASSEMBLE,'R'): | |
954 | case O(BUILD,'R'): | |
955 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 956 | if (c.runstop < 0) { |
e7b84f9d | 957 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
958 | exit(2); |
959 | } | |
9e33d556 | 960 | c.runstop = 1; |
52826846 | 961 | continue; |
e0d19036 | 962 | case O(MANAGE,'S'): |
9e33d556 | 963 | if (c.runstop > 0) { |
e7b84f9d | 964 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
965 | exit(2); |
966 | } | |
9e33d556 | 967 | c.runstop = -1; |
52826846 | 968 | continue; |
7d2e6486 | 969 | case O(MANAGE,'t'): |
9e33d556 | 970 | c.test = 1; |
7d2e6486 | 971 | continue; |
52826846 | 972 | |
e0d19036 NB |
973 | case O(MISC,'Q'): |
974 | case O(MISC,'D'): | |
975 | case O(MISC,'E'): | |
f7d3febc | 976 | case O(MISC,KillOpt): |
e0d19036 NB |
977 | case O(MISC,'R'): |
978 | case O(MISC,'S'): | |
c82f047c | 979 | case O(MISC,'X'): |
6d388a88 | 980 | case O(MISC, ExamineBB): |
e0d19036 NB |
981 | case O(MISC,'o'): |
982 | case O(MISC,'w'): | |
b90c0e9a | 983 | case O(MISC,'W'): |
1c7a808c | 984 | case O(MISC, WaitOpt): |
1770662b | 985 | case O(MISC, Waitclean): |
4cce4069 | 986 | case O(MISC, DetailPlatform): |
33414a01 | 987 | case O(MISC, KillSubarray): |
aa534678 | 988 | case O(MISC, UpdateSubarray): |
74db60b0 N |
989 | case O(MISC, Dump): |
990 | case O(MISC, Restore): | |
a740cf64 | 991 | case O(MISC ,Action): |
5a53aeec | 992 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 993 | if (c.subarray) { |
e7b84f9d | 994 | pr_err("subarray can only" |
5a53aeec JS |
995 | " be specified once\n"); |
996 | exit(2); | |
997 | } | |
9e33d556 | 998 | c.subarray = optarg; |
5a53aeec | 999 | } |
a740cf64 N |
1000 | if (opt == Action) { |
1001 | if (c.action) { | |
1002 | pr_err("Only one --action can be specified\n"); | |
1003 | exit(2); | |
1004 | } | |
1005 | if (strcmp(optarg, "idle") == 0 || | |
1006 | strcmp(optarg, "frozen") == 0 || | |
1007 | strcmp(optarg, "check") == 0 || | |
1008 | strcmp(optarg, "repair") == 0) | |
1009 | c.action = optarg; | |
1010 | else { | |
1011 | pr_err("action must be one of idle, frozen, check, repair\n"); | |
1012 | exit(2); | |
1013 | } | |
1014 | } | |
e0d19036 NB |
1015 | if (devmode && devmode != opt && |
1016 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 1017 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
1018 | if (devmode == 'E') { |
1019 | if (option_index >= 0) | |
1020 | fprintf(stderr, "--%s\n", | |
1021 | long_options[option_index].name); | |
1022 | else | |
1023 | fprintf(stderr, "-%c\n", opt); | |
1024 | } else if (isalpha(devmode)) | |
1025 | fprintf(stderr, "-%c\n", devmode); | |
1026 | else | |
1027 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
1028 | exit(2); |
1029 | } | |
1030 | devmode = opt; | |
74db60b0 N |
1031 | if (opt == Dump || opt == Restore) { |
1032 | if (dump_directory != NULL) { | |
1033 | pr_err("dump/restore directory specified twice: %s and %s\n", | |
1034 | dump_directory, optarg); | |
1035 | exit(2); | |
1036 | } | |
1037 | dump_directory = optarg; | |
1038 | } | |
e0d19036 | 1039 | continue; |
7d27d1c0 N |
1040 | case O(MISC, UdevRules): |
1041 | if (devmode && devmode != opt) { | |
e7b84f9d N |
1042 | pr_err("--udev-rules must" |
1043 | " be the only option.\n"); | |
7d27d1c0 N |
1044 | } else { |
1045 | if (udev_filename) | |
e7b84f9d | 1046 | pr_err("only specify one udev " |
7d27d1c0 N |
1047 | "rule filename. %s ignored.\n", |
1048 | optarg); | |
1049 | else | |
1050 | udev_filename = optarg; | |
1051 | } | |
1052 | devmode = opt; | |
1053 | continue; | |
feb716e9 | 1054 | case O(MISC,'t'): |
9e33d556 | 1055 | c.test = 1; |
feb716e9 | 1056 | continue; |
e0d19036 | 1057 | |
997aed5d | 1058 | case O(MISC, Sparc22): |
bd526cee | 1059 | if (devmode != 'E') { |
e7b84f9d | 1060 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1061 | exit(2); |
1062 | } | |
9e33d556 | 1063 | c.SparcAdjust = 1; |
bd526cee | 1064 | continue; |
c82f047c NB |
1065 | |
1066 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1067 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1068 | if (!optarg) { |
e7b84f9d | 1069 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1070 | exit(2); |
1071 | } | |
55935d51 | 1072 | if (strcmp(optarg, "internal")==0) { |
e7b84f9d | 1073 | pr_err("there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); |
55935d51 NB |
1074 | continue; |
1075 | } | |
c82f047c NB |
1076 | bitmap_fd = open(optarg, O_RDWR); |
1077 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1078 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1079 | exit(2); |
1080 | } | |
1081 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1082 | continue; | |
f5e166fe | 1083 | |
997aed5d NB |
1084 | case O(ASSEMBLE, BackupFile): |
1085 | case O(GROW, BackupFile): | |
06b0d786 NB |
1086 | /* Specify a file into which grow might place a backup, |
1087 | * or from which assemble might recover a backup | |
1088 | */ | |
9e33d556 | 1089 | if (c.backup_file) { |
e7b84f9d | 1090 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1091 | exit(2); |
1092 | } | |
9e33d556 | 1093 | c.backup_file = optarg; |
06b0d786 NB |
1094 | continue; |
1095 | ||
2dddadb0 AK |
1096 | case O(GROW, Continue): |
1097 | /* Continue interrupted grow | |
1098 | */ | |
1099 | grow_continue = 1; | |
1100 | continue; | |
87f26d14 N |
1101 | case O(ASSEMBLE, InvalidBackup): |
1102 | /* Acknowledge that the backupfile is invalid, but ask | |
1103 | * to continue anyway | |
1104 | */ | |
9e33d556 | 1105 | c.invalid_backup = 1; |
87f26d14 N |
1106 | continue; |
1107 | ||
c82f047c | 1108 | case O(BUILD,'b'): |
1c7a808c N |
1109 | case O(BUILD,Bitmap): |
1110 | case O(CREATE,'b'): | |
1111 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1112 | case O(GROW,'b'): |
1c7a808c | 1113 | case O(GROW,Bitmap): |
1e0d770c NB |
1114 | if (strcmp(optarg, "internal")== 0 || |
1115 | strcmp(optarg, "none")== 0 || | |
1116 | strchr(optarg, '/') != NULL) { | |
e705e81b | 1117 | s.bitmap_file = optarg; |
1e0d770c NB |
1118 | continue; |
1119 | } | |
1120 | /* probable typo */ | |
e7b84f9d | 1121 | pr_err("bitmap file must contain a '/', or be 'internal', or 'none'\n" |
a1331cc4 | 1122 | " not '%s'\n", optarg); |
1e0d770c | 1123 | exit(2); |
c82f047c | 1124 | |
997aed5d NB |
1125 | case O(GROW,BitmapChunk): |
1126 | case O(BUILD,BitmapChunk): | |
1127 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1128 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1129 | if (s.bitmap_chunk == 0 || |
1130 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1131 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1132 | pr_err("invalid bitmap chunksize: %s\n", |
1133 | optarg); | |
c82f047c NB |
1134 | exit(2); |
1135 | } | |
e705e81b | 1136 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1137 | continue; |
dfd4d8ee | 1138 | |
7d19ad0d | 1139 | case O(GROW, WriteBehind): |
997aed5d NB |
1140 | case O(BUILD, WriteBehind): |
1141 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
e705e81b | 1142 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
dfd4d8ee | 1143 | if (optarg) { |
e705e81b N |
1144 | s.write_behind = parse_num(optarg); |
1145 | if (s.write_behind < 0 || | |
1146 | s.write_behind > 16383) { | |
e7b84f9d | 1147 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1148 | exit(2); |
1149 | } | |
1150 | } | |
1151 | continue; | |
8382f19b NB |
1152 | |
1153 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1154 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1155 | rebuild_map = 1; |
1156 | continue; | |
950bc344 PC |
1157 | case O(INCREMENTAL, IncrementalPath): |
1158 | remove_path = optarg; | |
1159 | continue; | |
52826846 NB |
1160 | } |
1161 | /* We have now processed all the valid options. Anything else is | |
1162 | * an error | |
1163 | */ | |
06b0d786 | 1164 | if (option_index > 0) |
e7b84f9d | 1165 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 NB |
1166 | long_options[option_index].name, |
1167 | map_num(modes, mode)); | |
1168 | else | |
e7b84f9d | 1169 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1170 | opt, map_num(modes, mode)); |
64c4757e | 1171 | exit(2); |
52826846 NB |
1172 | |
1173 | } | |
1174 | ||
3d4064cc | 1175 | if (print_help) { |
5187a385 | 1176 | char *help_text; |
3d4064cc NB |
1177 | if (print_help == 2) |
1178 | help_text = OptionHelp; | |
1179 | else | |
5187a385 N |
1180 | help_text = mode_help[mode]; |
1181 | if (help_text == NULL) | |
1182 | help_text = Help; | |
0047d254 | 1183 | fputs(help_text,stdout); |
3d4064cc NB |
1184 | exit(0); |
1185 | } | |
1186 | ||
0320ea45 NB |
1187 | if (!mode && devs_found) { |
1188 | mode = MISC; | |
1189 | devmode = 'Q'; | |
1190 | if (devlist->disposition == 0) | |
1191 | devlist->disposition = devmode; | |
1192 | } | |
52826846 NB |
1193 | if (!mode) { |
1194 | fputs(Usage, stderr); | |
64c4757e | 1195 | exit(2); |
64c4757e | 1196 | } |
38098016 NB |
1197 | |
1198 | if (symlinks) { | |
1199 | struct createinfo *ci = conf_get_create_info(); | |
1200 | ||
1201 | if (strcasecmp(symlinks, "yes") == 0) | |
1202 | ci->symlinks = 1; | |
1203 | else if (strcasecmp(symlinks, "no") == 0) | |
1204 | ci->symlinks = 0; | |
1205 | else { | |
e7b84f9d | 1206 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1207 | exit(2); |
1208 | } | |
1209 | } | |
52826846 NB |
1210 | /* Ok, got the option parsing out of the way |
1211 | * hopefully it's mostly right but there might be some stuff | |
1212 | * missing | |
1213 | * | |
e0d19036 | 1214 | * That is mosty checked in the per-mode stuff but... |
52826846 | 1215 | * |
18361a1a N |
1216 | * For @,B,C and A without -s, the first device listed must be |
1217 | * an md device. We check that here and open it. | |
64c4757e | 1218 | */ |
52826846 | 1219 | |
18361a1a N |
1220 | if (mode == MANAGE || mode == BUILD || mode == CREATE |
1221 | || mode == GROW | |
9e33d556 | 1222 | || (mode == ASSEMBLE && ! c.scan)) { |
52826846 | 1223 | if (devs_found < 1) { |
e7b84f9d | 1224 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1225 | exit(2); |
1226 | } | |
9e33d556 | 1227 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1228 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1229 | exit(2); |
1230 | } | |
7f91af49 | 1231 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1232 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1233 | if (mdfd < 0) |
1234 | exit(1); | |
1235 | } else | |
1236 | /* non-existent device is OK */ | |
1237 | mdfd = open_mddev(devlist->devname, 0); | |
1238 | if (mdfd == -2) { | |
e7b84f9d | 1239 | pr_err("device %s exists but is not an " |
7f91af49 | 1240 | "md array.\n", devlist->devname); |
52826846 | 1241 | exit(1); |
7f91af49 | 1242 | } |
98c6faba | 1243 | if ((int)ident.super_minor == -2) { |
d013a55e | 1244 | struct stat stb; |
7f91af49 | 1245 | if (mdfd < 0) { |
e7b84f9d | 1246 | pr_err("--super-minor=dev given, and " |
7f91af49 N |
1247 | "listed device %s doesn't exist.\n", |
1248 | devlist->devname); | |
1249 | exit(1); | |
1250 | } | |
d013a55e | 1251 | fstat(mdfd, &stb); |
0df46c2a | 1252 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1253 | } |
7f91af49 N |
1254 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1255 | /* We don't really want this open yet, we just might | |
1256 | * have wanted to check some things | |
1257 | */ | |
1258 | close(mdfd); | |
1259 | mdfd = -1; | |
1260 | } | |
64c4757e | 1261 | } |
52826846 | 1262 | |
e705e81b N |
1263 | if (s.raiddisks) { |
1264 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1265 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1266 | " a mistake. If you really mean it you will need to specify --force before\n" |
1267 | " setting the number of drives.\n"); | |
1268 | exit(2); | |
1269 | } | |
1270 | } | |
c82f047c | 1271 | |
9e33d556 N |
1272 | if (c.homehost == NULL) |
1273 | c.homehost = conf_get_homehost(&c.require_homehost); | |
1274 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>")==0) { | |
05697ec1 NB |
1275 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1276 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1277 | c.homehost = sys_hostname; |
05697ec1 NB |
1278 | } |
1279 | } | |
9e33d556 N |
1280 | if (c.homehost && (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { |
1281 | c.homehost = NULL; | |
1282 | c.require_homehost = 0; | |
0f23aa88 | 1283 | } |
997aed5d | 1284 | |
8192902f N |
1285 | if (c.backup_file && data_offset != INVALID_SECTORS) { |
1286 | pr_err("--backup-file and --data-offset are incompatible\n"); | |
1287 | exit(2); | |
1288 | } | |
1289 | ||
18361a1a N |
1290 | if ((mode == MISC && devmode == 'E') |
1291 | || (mode == MONITOR && spare_sharing == 0)) | |
1292 | /* Anyone may try this */; | |
1293 | else if (geteuid() != 0) { | |
e7b84f9d | 1294 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1295 | exit(1); |
1296 | } | |
1297 | ||
9e33d556 | 1298 | ident.autof = c.autof; |
7f91af49 | 1299 | |
265460ab N |
1300 | if (c.scan && c.verbose < 2) |
1301 | /* --scan implied --brief unless -vv */ | |
1302 | c.brief = 1; | |
1303 | ||
52826846 NB |
1304 | rv = 0; |
1305 | switch(mode) { | |
e0d19036 | 1306 | case MANAGE: |
52826846 | 1307 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1308 | if (c.readonly > 0) |
1309 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1310 | if (!rv && devs_found>1) |
cd29a5c8 | 1311 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1312 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1313 | c.update, c.force); |
1314 | if (!rv && c.readonly < 0) | |
1315 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
fe7e0e64 | 1316 | if (!rv && c.runstop > 0) |
d5a40416 | 1317 | rv = Manage_run(devlist->devname, mdfd, &c); |
fe7e0e64 N |
1318 | if (!rv && c.runstop < 0) |
1319 | rv = Manage_stop(devlist->devname, mdfd, c.verbose, 0); | |
52826846 | 1320 | break; |
e0d19036 | 1321 | case ASSEMBLE: |
d013a55e | 1322 | if (devs_found == 1 && ident.uuid_set == 0 && |
9e33d556 | 1323 | ident.super_minor == UnSet && ident.name[0] == 0 && !c.scan ) { |
d013a55e | 1324 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1325 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1326 | if (array_ident == NULL) { |
e7b84f9d | 1327 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1328 | devlist->devname); |
d013a55e | 1329 | rv |= 1; |
7f91af49 N |
1330 | if (mdfd >= 0) |
1331 | close(mdfd); | |
b5e64645 | 1332 | } else { |
7f91af49 | 1333 | if (array_ident->autof == 0) |
9e33d556 | 1334 | array_ident->autof = c.autof; |
7f91af49 | 1335 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1336 | NULL, &c); |
d013a55e | 1337 | } |
9e33d556 | 1338 | } else if (!c.scan) |
7f91af49 | 1339 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1340 | devlist->next, &c); |
18361a1a | 1341 | else if (devs_found > 0) { |
9e33d556 | 1342 | if (c.update && devs_found > 1) { |
e7b84f9d | 1343 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1344 | exit(1); |
1345 | } | |
9e33d556 | 1346 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1347 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1348 | exit(1); |
1349 | } | |
cd29a5c8 | 1350 | for (dv = devlist ; dv ; dv=dv->next) { |
fa56eddb | 1351 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1352 | if (array_ident == NULL) { |
e7b84f9d | 1353 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1354 | dv->devname); |
52826846 NB |
1355 | rv |= 1; |
1356 | continue; | |
1357 | } | |
7f91af49 | 1358 | if (array_ident->autof == 0) |
9e33d556 | 1359 | array_ident->autof = c.autof; |
7f91af49 | 1360 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1361 | NULL, &c); |
52826846 | 1362 | } |
5787fa49 | 1363 | } else { |
9e33d556 | 1364 | if (c.update) { |
e7b84f9d | 1365 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1366 | exit(1); |
1367 | } | |
9e33d556 | 1368 | if (c.backup_file) { |
e7b84f9d | 1369 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1370 | exit(1); |
1371 | } | |
4977146a | 1372 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1373 | } |
3cbc4d12 | 1374 | |
52826846 | 1375 | break; |
e0d19036 | 1376 | case BUILD: |
9e33d556 N |
1377 | if (c.delay == 0) |
1378 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1379 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1380 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1381 | rv = 1; |
1382 | break; | |
1383 | } | |
e705e81b | 1384 | if (s.raiddisks == 0) { |
e7b84f9d | 1385 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1386 | rv = 1; |
1387 | break; | |
1388 | } | |
dfd4d8ee | 1389 | |
e705e81b N |
1390 | if (s.bitmap_file) { |
1391 | if (strcmp(s.bitmap_file, "internal")==0) { | |
e7b84f9d | 1392 | pr_err("'internal' bitmaps not supported with --build\n"); |
55935d51 NB |
1393 | rv |= 1; |
1394 | break; | |
1395 | } | |
c82f047c | 1396 | } |
a4e8316a | 1397 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1398 | break; |
e0d19036 | 1399 | case CREATE: |
9e33d556 N |
1400 | if (c.delay == 0) |
1401 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1402 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1403 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1404 | rv = 1; |
1405 | break; | |
1406 | } | |
e705e81b | 1407 | if (s.raiddisks == 0) { |
e7b84f9d | 1408 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1409 | rv = 1; |
1410 | break; | |
1411 | } | |
f9ce90ba | 1412 | |
99cc42f4 N |
1413 | rv = Create(ss, devlist->devname, |
1414 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
171dccc8 | 1415 | devs_found-1, devlist->next, |
40c9a66a | 1416 | &s, &c, data_offset); |
52826846 | 1417 | break; |
e0d19036 | 1418 | case MISC: |
e0d19036 | 1419 | if (devmode == 'E') { |
9e33d556 | 1420 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1421 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1422 | exit(2); |
1423 | } | |
1424 | if (devlist == NULL) | |
8aec876d | 1425 | devlist = conf_get_devs(); |
e0d19036 | 1426 | if (devlist == NULL) { |
e7b84f9d | 1427 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1428 | exit(1); |
1429 | } | |
eec3f887 | 1430 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1431 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1432 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1433 | c.verbose, c.export, | |
1434 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1435 | } else if (devlist == NULL) { |
9e33d556 | 1436 | if (devmode == 'S' && c.scan) |
0937132d | 1437 | rv = stop_scan(c.verbose); |
9e33d556 | 1438 | else if ((devmode == 'D' || devmode == Waitclean) && c.scan) |
ef898ce6 | 1439 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1440 | else if (devmode == UdevRules) |
1441 | rv = Write_rules(udev_filename); | |
1442 | else { | |
e7b84f9d | 1443 | pr_err("No devices given.\n"); |
7d27d1c0 | 1444 | exit(2); |
e0d19036 | 1445 | } |
7d27d1c0 | 1446 | } else |
74db60b0 | 1447 | rv = misc_list(devlist, &ident, dump_directory, ss, &c); |
9a9dab36 | 1448 | break; |
e0d19036 | 1449 | case MONITOR: |
9e33d556 | 1450 | if (!devlist && !c.scan) { |
e7b84f9d | 1451 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1452 | rv = 1; |
1453 | break; | |
1454 | } | |
b5e64645 | 1455 | if (pidfile && !daemonise) { |
e7b84f9d | 1456 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1457 | rv = 1; |
1458 | break; | |
1459 | } | |
9e33d556 | 1460 | if (c.delay == 0) { |
3e82d76d | 1461 | if (get_linux_version() > 2006016) |
ddc7201f | 1462 | /* mdstat responds to poll */ |
9e33d556 | 1463 | c.delay = 1000; |
ddc7201f | 1464 | else |
9e33d556 | 1465 | c.delay = 60; |
ddc7201f | 1466 | } |
95c50205 N |
1467 | if (c.delay == 0) |
1468 | c.delay = 60; | |
d013a55e | 1469 | rv= Monitor(devlist, mailaddr, program, |
95c50205 N |
1470 | &c, daemonise, oneshot, |
1471 | dosyslog, pidfile, increments, | |
1472 | spare_sharing); | |
9a9dab36 | 1473 | break; |
dd0781e5 NB |
1474 | |
1475 | case GROW: | |
a93f8c65 | 1476 | if (array_size > 0) { |
84e11361 N |
1477 | /* alway impose array size first, independent of |
1478 | * anything else | |
9ce510be N |
1479 | * Do not allow level or raid_disks changes at the |
1480 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1481 | */ |
1482 | struct mdinfo sra; | |
1483 | int err; | |
e705e81b | 1484 | if (s.raiddisks || s.level != UnSet) { |
e7b84f9d | 1485 | pr_err("cannot change array size in same operation " |
9ce510be N |
1486 | "as changing raiddisks or level.\n" |
1487 | " Change size first, then check that data is still intact.\n"); | |
1488 | rv = 1; | |
1489 | break; | |
1490 | } | |
4dd2df09 | 1491 | sysfs_init(&sra, mdfd, NULL); |
a93f8c65 | 1492 | if (array_size == MAX_SIZE) |
84e11361 N |
1493 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1494 | else | |
1495 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1496 | if (err < 0) { | |
1497 | if (errno == E2BIG) | |
e7b84f9d | 1498 | pr_err("--array-size setting" |
84e11361 N |
1499 | " is too large.\n"); |
1500 | else | |
e7b84f9d | 1501 | pr_err("current kernel does" |
84e11361 N |
1502 | " not support setting --array-size\n"); |
1503 | rv = 1; | |
1504 | break; | |
1505 | } | |
1506 | } | |
1c8b90df | 1507 | if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) { |
e5329c37 | 1508 | /* must be '-a'. */ |
e705e81b | 1509 | if (s.size > 0 || s.chunk || s.layout_str != NULL || s.bitmap_file) { |
e7b84f9d | 1510 | pr_err("--add cannot be used with " |
e2e53a2d | 1511 | "other geometry changes in --grow mode\n"); |
e5329c37 NB |
1512 | rv = 1; |
1513 | break; | |
1514 | } | |
1515 | for (dv=devlist->next; dv ; dv=dv->next) { | |
e2e53a2d N |
1516 | rv = Grow_Add_device(devlist->devname, mdfd, |
1517 | dv->devname); | |
e5329c37 NB |
1518 | if (rv) |
1519 | break; | |
1520 | } | |
e705e81b N |
1521 | } else if (s.bitmap_file) { |
1522 | if (s.size > 0 || s.raiddisks || s.chunk || | |
1523 | s.layout_str != NULL || devs_found > 1) { | |
e7b84f9d | 1524 | pr_err("--bitmap changes cannot be " |
e2e53a2d N |
1525 | "used with other geometry changes " |
1526 | "in --grow mode\n"); | |
7236ee7a N |
1527 | rv = 1; |
1528 | break; | |
1529 | } | |
9e33d556 N |
1530 | if (c.delay == 0) |
1531 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1532 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1533 | } else if (grow_continue) |
1534 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1535 | mdfd, c.backup_file, |
0937132d | 1536 | c.verbose); |
e705e81b | 1537 | else if (s.size > 0 || s.raiddisks || s.layout_str != NULL |
8876bf0b N |
1538 | || s.chunk != 0 || s.level != UnSet |
1539 | || data_offset != INVALID_SECTORS) { | |
32754b7d | 1540 | rv = Grow_reshape(devlist->devname, mdfd, |
40c9a66a N |
1541 | devlist->next, |
1542 | data_offset, &c, &s); | |
a93f8c65 | 1543 | } else if (array_size == 0) |
e7b84f9d | 1544 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1545 | break; |
8382f19b NB |
1546 | case INCREMENTAL: |
1547 | if (rebuild_map) { | |
1548 | RebuildMap(); | |
1549 | } | |
9e33d556 | 1550 | if (c.scan) { |
9eaf410f N |
1551 | rv = 1; |
1552 | if (devlist) { | |
1553 | pr_err("In --incremental mode, a device cannot be given with --scan.\n"); | |
1554 | break; | |
1555 | } | |
9e33d556 | 1556 | if (c.runstop <= 0) { |
e7b84f9d | 1557 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1558 | break; |
1559 | } | |
29ba4804 | 1560 | if (devmode == 'f') { |
e7b84f9d | 1561 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1562 | break; |
1563 | } | |
d5a40416 | 1564 | rv = IncrementalScan(&c, NULL); |
8382f19b NB |
1565 | } |
1566 | if (!devlist) { | |
9e33d556 | 1567 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1568 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1569 | rv = 1; |
1570 | } | |
1571 | break; | |
1572 | } | |
b11fe74d N |
1573 | if (devmode == 'f') { |
1574 | if (devlist->next) { | |
1575 | pr_err("'--incremental --fail' can only handle one device.\n"); | |
1576 | rv = 1; | |
1577 | break; | |
1578 | } | |
950bc344 | 1579 | rv = IncrementalRemove(devlist->devname, remove_path, |
0937132d | 1580 | c.verbose); |
b11fe74d N |
1581 | } else |
1582 | rv = Incremental(devlist, &c, ss); | |
1f48664b NB |
1583 | break; |
1584 | case AUTODETECT: | |
1585 | autodetect(); | |
1586 | break; | |
64c4757e | 1587 | } |
52826846 | 1588 | exit(rv); |
64c4757e | 1589 | } |
3cbc4d12 | 1590 | |
4977146a N |
1591 | static int scan_assemble(struct supertype *ss, |
1592 | struct context *c, | |
1593 | struct mddev_ident *ident) | |
3cbc4d12 N |
1594 | { |
1595 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1596 | struct mddev_dev *devlist = conf_get_devs(); | |
1597 | struct map_ent *map = NULL; | |
1598 | int cnt = 0; | |
1599 | int rv = 0; | |
1600 | int failures, successes; | |
1601 | ||
1602 | if (conf_verify_devnames(array_list)) { | |
e7b84f9d N |
1603 | pr_err("Duplicate MD device names in " |
1604 | "conf file were found.\n"); | |
3cbc4d12 N |
1605 | return 1; |
1606 | } | |
1607 | if (devlist == NULL) { | |
e7b84f9d | 1608 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1609 | return 1; |
1610 | } | |
1611 | for (a = array_list; a ; a = a->next) { | |
1612 | a->assembled = 0; | |
1613 | if (a->autof == 0) | |
4977146a | 1614 | a->autof = c->autof; |
3cbc4d12 N |
1615 | } |
1616 | if (map_lock(&map)) | |
e7b84f9d N |
1617 | pr_err("%s: failed to get " |
1618 | "exclusive lock on mapfile\n", | |
1619 | __func__); | |
3cbc4d12 N |
1620 | do { |
1621 | failures = 0; | |
1622 | successes = 0; | |
1623 | rv = 0; | |
1624 | for (a = array_list; a ; a = a->next) { | |
1625 | int r; | |
1626 | if (a->assembled) | |
1627 | continue; | |
1628 | if (a->devname && | |
1629 | strcasecmp(a->devname, "<ignore>") == 0) | |
1630 | continue; | |
1011e834 | 1631 | |
3cbc4d12 | 1632 | r = Assemble(ss, a->devname, |
4977146a | 1633 | a, NULL, c); |
3cbc4d12 N |
1634 | if (r == 0) { |
1635 | a->assembled = 1; | |
1636 | successes++; | |
1637 | } else | |
1638 | failures++; | |
1639 | rv |= r; | |
1640 | cnt++; | |
1641 | } | |
1642 | } while (failures && successes); | |
4977146a | 1643 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1644 | /* Maybe we can auto-assemble something. |
1645 | * Repeatedly call Assemble in auto-assemble mode | |
1646 | * until it fails | |
1647 | */ | |
1648 | int rv2; | |
1649 | int acnt; | |
4977146a | 1650 | ident->autof = c->autof; |
3cbc4d12 N |
1651 | do { |
1652 | struct mddev_dev *devlist = conf_get_devs(); | |
1653 | acnt = 0; | |
1654 | do { | |
1655 | rv2 = Assemble(ss, NULL, | |
1656 | ident, | |
4977146a | 1657 | devlist, c); |
3cbc4d12 N |
1658 | if (rv2==0) { |
1659 | cnt++; | |
1660 | acnt++; | |
1661 | } | |
1662 | } while (rv2!=2); | |
1663 | /* Incase there are stacked devices, we need to go around again */ | |
1664 | } while (acnt); | |
1665 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1666 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1667 | rv = 1; |
1668 | } else if (cnt) | |
1669 | rv = 0; | |
1670 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1671 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1672 | rv = 1; |
1673 | } | |
1674 | map_unlock(&map); | |
1675 | return rv; | |
1676 | } | |
7d27d1c0 | 1677 | |
ef898ce6 | 1678 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1679 | { |
1680 | /* apply --detail or --wait-clean to | |
1681 | * all devices in /proc/mdstat | |
1682 | */ | |
1683 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1684 | struct mdstat_ent *e; | |
1685 | struct map_ent *map = NULL; | |
1686 | int members; | |
7d27d1c0 N |
1687 | int rv = 0; |
1688 | ||
1689 | for (members = 0; members <= 1; members++) { | |
1690 | for (e=ms ; e ; e=e->next) { | |
743eaf8b | 1691 | char *name = NULL; |
7d27d1c0 | 1692 | struct map_ent *me; |
743eaf8b | 1693 | struct stat stb; |
7d27d1c0 N |
1694 | int member = e->metadata_version && |
1695 | strncmp(e->metadata_version, | |
1696 | "external:/", 10) == 0; | |
1697 | if (members != member) | |
1698 | continue; | |
4dd2df09 | 1699 | me = map_by_devnm(&map, e->devnm); |
7d27d1c0 N |
1700 | if (me && me->path |
1701 | && strcmp(me->path, "/unknown") != 0) | |
1702 | name = me->path; | |
743eaf8b N |
1703 | if (name == NULL || |
1704 | stat(name, &stb) != 0) | |
4dd2df09 | 1705 | name = get_md_name(e->devnm); |
7d27d1c0 N |
1706 | |
1707 | if (!name) { | |
e7b84f9d | 1708 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1709 | e->dev); |
1710 | continue; | |
1711 | } | |
1712 | if (devmode == 'D') | |
ef898ce6 | 1713 | rv |= Detail(name, c); |
7d27d1c0 | 1714 | else |
ef898ce6 | 1715 | rv |= WaitClean(name, -1, c->verbose); |
7d27d1c0 N |
1716 | put_md_name(name); |
1717 | } | |
1718 | } | |
1719 | free_mdstat(ms); | |
1720 | return rv; | |
1721 | } | |
1722 | ||
ba728be7 | 1723 | static int stop_scan(int verbose) |
7d27d1c0 N |
1724 | { |
1725 | /* apply --stop to all devices in /proc/mdstat */ | |
1726 | /* Due to possible stacking of devices, repeat until | |
1727 | * nothing more can be stopped | |
1728 | */ | |
1729 | int progress=1, err; | |
1730 | int last = 0; | |
1731 | int rv = 0; | |
1732 | do { | |
1733 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1734 | struct mdstat_ent *e; | |
1735 | ||
1736 | if (!progress) last = 1; | |
1737 | progress = 0; err = 0; | |
1738 | for (e=ms ; e ; e=e->next) { | |
4dd2df09 | 1739 | char *name = get_md_name(e->devnm); |
7d27d1c0 N |
1740 | int mdfd; |
1741 | ||
1742 | if (!name) { | |
e7b84f9d | 1743 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1744 | e->dev); |
1745 | continue; | |
1746 | } | |
1747 | mdfd = open_mddev(name, 1); | |
1748 | if (mdfd >= 0) { | |
fe7e0e64 | 1749 | if (Manage_stop(name, mdfd, verbose, !last)) |
7d27d1c0 N |
1750 | err = 1; |
1751 | else | |
1752 | progress = 1; | |
1753 | close(mdfd); | |
1754 | } | |
1755 | ||
1756 | put_md_name(name); | |
1757 | } | |
1758 | free_mdstat(ms); | |
1759 | } while (!last && err); | |
1760 | if (err) | |
1761 | rv |= 1; | |
1762 | return rv; | |
1763 | } | |
1764 | ||
1765 | static int misc_list(struct mddev_dev *devlist, | |
86da243f | 1766 | struct mddev_ident *ident, |
74db60b0 | 1767 | char *dump_directory, |
86da243f | 1768 | struct supertype *ss, struct context *c) |
7d27d1c0 N |
1769 | { |
1770 | struct mddev_dev *dv; | |
1771 | int rv = 0; | |
1772 | ||
74db60b0 | 1773 | for (dv=devlist ; dv; dv=(rv & 16) ? NULL : dv->next) { |
7d27d1c0 N |
1774 | int mdfd; |
1775 | ||
1776 | switch(dv->disposition) { | |
1777 | case 'D': | |
ef898ce6 | 1778 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1779 | continue; |
1780 | case KillOpt: /* Zero superblock */ | |
1781 | if (ss) | |
86da243f | 1782 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1783 | else { |
86da243f | 1784 | int v = c->verbose; |
7d27d1c0 | 1785 | do { |
86da243f | 1786 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1787 | v = -1; |
7d27d1c0 N |
1788 | } while (rv == 0); |
1789 | rv &= ~2; | |
1790 | } | |
1791 | continue; | |
1792 | case 'Q': | |
1793 | rv |= Query(dv->devname); continue; | |
1794 | case 'X': | |
86da243f | 1795 | rv |= ExamineBitmap(dv->devname, c->brief, ss); continue; |
6d388a88 N |
1796 | case ExamineBB: |
1797 | rv |= ExamineBadblocks(dv->devname, c->brief, ss); continue; | |
7d27d1c0 N |
1798 | case 'W': |
1799 | case WaitOpt: | |
1800 | rv |= Wait(dv->devname); continue; | |
1801 | case Waitclean: | |
86da243f | 1802 | rv |= WaitClean(dv->devname, -1, c->verbose); continue; |
7d27d1c0 | 1803 | case KillSubarray: |
86da243f | 1804 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1805 | continue; |
1806 | case UpdateSubarray: | |
86da243f | 1807 | if (c->update == NULL) { |
e7b84f9d | 1808 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1809 | rv |= 1; |
1810 | continue; | |
1811 | } | |
86da243f N |
1812 | rv |= Update_subarray(dv->devname, c->subarray, |
1813 | c->update, ident, c->verbose); | |
7d27d1c0 | 1814 | continue; |
74db60b0 N |
1815 | case Dump: |
1816 | rv |= Dump_metadata(dv->devname, dump_directory, c, ss); | |
1817 | continue; | |
1818 | case Restore: | |
1819 | rv |= Restore_metadata(dv->devname, dump_directory, c, ss, | |
1820 | (dv == devlist && dv->next == NULL)); | |
1821 | continue; | |
a740cf64 N |
1822 | case Action: |
1823 | rv |= SetAction(dv->devname, c->action); | |
1824 | continue; | |
7d27d1c0 | 1825 | } |
e6dd89da N |
1826 | if (dv->devname[0] == '/') |
1827 | mdfd = open_mddev(dv->devname, 1); | |
1828 | else { | |
1829 | mdfd = open_dev(dv->devname); | |
1830 | if (mdfd < 0) | |
1831 | pr_err("Cannot open %s\n", dv->devname); | |
1832 | } | |
7d27d1c0 N |
1833 | if (mdfd>=0) { |
1834 | switch(dv->disposition) { | |
1835 | case 'R': | |
d5a40416 N |
1836 | c->runstop = 1; |
1837 | rv |= Manage_run(dv->devname, mdfd, c); break; | |
7d27d1c0 | 1838 | case 'S': |
fe7e0e64 | 1839 | rv |= Manage_stop(dv->devname, mdfd, c->verbose, 0); break; |
7d27d1c0 N |
1840 | case 'o': |
1841 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1842 | case 'w': | |
1843 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1844 | } | |
1845 | close(mdfd); | |
1846 | } else | |
1847 | rv |= 1; | |
1848 | } | |
1849 | return rv; | |
1850 | } | |
a740cf64 N |
1851 | |
1852 | int SetAction(char *dev, char *action) | |
1853 | { | |
1854 | int fd = open(dev, O_RDONLY); | |
1855 | struct mdinfo mdi; | |
1856 | if (fd < 0) { | |
1857 | pr_err("Couldn't open %s: %s\n", dev, strerror(errno)); | |
1858 | return 1; | |
1859 | } | |
1860 | sysfs_init(&mdi, fd, NULL); | |
1861 | close(fd); | |
1862 | if (!mdi.sys_name[0]) { | |
1863 | pr_err("%s is no an md array\n", dev); | |
1864 | return 1; | |
1865 | } | |
1866 | ||
1867 | if (sysfs_set_str(&mdi, NULL, "sync_action", action) < 0) { | |
1868 | pr_err("Count not set action for %s to %s: %s\n", | |
1869 | dev, action, strerror(errno)); | |
1870 | return 1; | |
1871 | } | |
1872 | return 0; | |
1873 | } |