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Commit | Line | Data |
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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
18361a1a | 4 | * Copyright (C) 2001-2012 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 | |
3cbc4d12 | 32 | |
4977146a N |
33 | static int scan_assemble(struct supertype *ss, |
34 | struct context *c, | |
35 | struct mddev_ident *ident); | |
ef898ce6 | 36 | static int misc_scan(char devmode, struct context *c); |
ba728be7 | 37 | static int stop_scan(int verbose); |
7d27d1c0 | 38 | static int misc_list(struct mddev_dev *devlist, |
86da243f N |
39 | struct mddev_ident *ident, |
40 | struct supertype *ss, struct context *c); | |
7d27d1c0 | 41 | |
3cbc4d12 | 42 | |
52826846 NB |
43 | int main(int argc, char *argv[]) |
44 | { | |
e0d19036 | 45 | int mode = 0; |
52826846 | 46 | int opt; |
e0d19036 | 47 | int option_index; |
52826846 | 48 | int rv; |
f9ce90ba | 49 | int i; |
52826846 | 50 | |
a93f8c65 | 51 | unsigned long long array_size = 0; |
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; |
52826846 | 96 | |
3d4064cc | 97 | int print_help = 0; |
0047d254 | 98 | FILE *outf; |
e5329c37 | 99 | |
52826846 NB |
100 | int mdfd = -1; |
101 | ||
dfe47e00 NB |
102 | srandom(time(0) ^ getpid()); |
103 | ||
52826846 | 104 | ident.uuid_set=0; |
98c6faba NB |
105 | ident.level = UnSet; |
106 | ident.raid_disks = UnSet; | |
107 | ident.super_minor= UnSet; | |
52826846 | 108 | ident.devices=0; |
a75f2fbc NB |
109 | ident.spare_group = NULL; |
110 | ident.autof = 0; | |
a825febc | 111 | ident.st = NULL; |
c82f047c | 112 | ident.bitmap_fd = -1; |
7ef02d01 | 113 | ident.bitmap_file = NULL; |
947fd4dd | 114 | ident.name[0] = 0; |
aef35714 N |
115 | ident.container = NULL; |
116 | ident.member = NULL; | |
52826846 | 117 | |
e0d19036 NB |
118 | while ((option_index = -1) , |
119 | (opt=getopt_long(argc, argv, | |
c06487ce | 120 | shortopt, long_options, |
e0d19036 NB |
121 | &option_index)) != -1) { |
122 | int newmode = mode; | |
35904960 | 123 | /* firstly, some mode-independent options */ |
52826846 | 124 | switch(opt) { |
1c7a808c N |
125 | case HelpOptions: |
126 | print_help = 2; | |
127 | continue; | |
52826846 | 128 | case 'h': |
1c7a808c | 129 | print_help = 1; |
3d4064cc | 130 | continue; |
52826846 NB |
131 | |
132 | case 'V': | |
133 | fputs(Version, stderr); | |
134 | exit(0); | |
135 | ||
9e33d556 | 136 | case 'v': c.verbose++; |
52826846 NB |
137 | continue; |
138 | ||
0937132d | 139 | case 'q': c.verbose--; |
dab6685f NB |
140 | continue; |
141 | ||
c82f047c | 142 | case 'b': |
1c7a808c N |
143 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE |
144 | || mode == GROW || mode == INCREMENTAL | |
145 | || mode == MANAGE) | |
c82f047c | 146 | break; /* b means bitmap */ |
1c7a808c | 147 | case Brief: |
9e33d556 | 148 | c.brief = 1; |
cd29a5c8 NB |
149 | continue; |
150 | ||
9e33d556 | 151 | case 'Y': c.export++; |
54bad364 KS |
152 | continue; |
153 | ||
997aed5d | 154 | case HomeHost: |
0ac91628 | 155 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 156 | c.require_homehost = 0; |
0ac91628 | 157 | else |
9e33d556 | 158 | c.homehost = optarg; |
997aed5d NB |
159 | continue; |
160 | ||
08ca2adf JS |
161 | /* |
162 | * --offroot sets first char of argv[0] to @. This is used | |
18361a1a | 163 | * by systemd to signal that the task was launched from |
08ca2adf JS |
164 | * initrd/initramfs and should be preserved during shutdown |
165 | */ | |
166 | case OffRootOpt: | |
167 | argv[0][0] = '@'; | |
a0963a86 | 168 | __offroot = 1; |
08ca2adf JS |
169 | continue; |
170 | ||
c2ecf5f6 | 171 | case Prefer: |
9e33d556 N |
172 | if (c.prefer) |
173 | free(c.prefer); | |
174 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
175 | c.prefer = NULL; | |
c2ecf5f6 N |
176 | continue; |
177 | ||
e0d19036 NB |
178 | case ':': |
179 | case '?': | |
180 | fputs(Usage, stderr); | |
181 | exit(2); | |
182 | } | |
183 | /* second, figure out the mode. | |
184 | * Some options force the mode. Others | |
aba69144 | 185 | * set the mode if it isn't already |
e0d19036 NB |
186 | */ |
187 | ||
188 | switch(opt) { | |
1c7a808c | 189 | case ManageOpt: |
c06487ce | 190 | newmode = MANAGE; |
024768c4 | 191 | shortopt = short_bitmap_options; |
c06487ce | 192 | break; |
e0d19036 | 193 | case 'a': |
1c7a808c | 194 | case Add: |
e0d19036 | 195 | case 'r': |
1c7a808c | 196 | case Remove: |
e0d19036 | 197 | case 'f': |
1c7a808c | 198 | case Fail: |
41a3b72a | 199 | case ReAdd: /* re-add */ |
c06487ce NB |
200 | if (!mode) { |
201 | newmode = MANAGE; | |
024768c4 | 202 | shortopt = short_bitmap_options; |
c06487ce | 203 | } |
0320ea45 | 204 | break; |
e0d19036 | 205 | |
18361a1a N |
206 | case 'A': newmode = ASSEMBLE; |
207 | shortopt = short_bitmap_auto_options; | |
208 | break; | |
209 | case 'B': newmode = BUILD; | |
210 | shortopt = short_bitmap_auto_options; | |
211 | break; | |
212 | case 'C': newmode = CREATE; | |
213 | shortopt = short_bitmap_auto_options; | |
214 | break; | |
215 | case 'F': newmode = MONITOR; | |
216 | break; | |
024768c4 DL |
217 | case 'G': newmode = GROW; |
218 | shortopt = short_bitmap_options; | |
219 | break; | |
95b79df0 | 220 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
221 | shortopt = short_bitmap_auto_options; |
222 | break; | |
1f48664b | 223 | case AutoDetect: |
5a53aeec JS |
224 | newmode = AUTODETECT; |
225 | break; | |
e0d19036 | 226 | |
1c7a808c | 227 | case MiscOpt: |
e0d19036 NB |
228 | case 'D': |
229 | case 'E': | |
c82f047c | 230 | case 'X': |
5a53aeec JS |
231 | case 'Q': |
232 | newmode = MISC; | |
233 | break; | |
234 | ||
e0d19036 NB |
235 | case 'R': |
236 | case 'S': | |
237 | case 'o': | |
238 | case 'w': | |
b90c0e9a | 239 | case 'W': |
1c7a808c | 240 | case WaitOpt: |
1770662b | 241 | case Waitclean: |
4cce4069 | 242 | case DetailPlatform: |
33414a01 | 243 | case KillSubarray: |
aa534678 | 244 | case UpdateSubarray: |
20b60dcd | 245 | case UdevRules: |
f7d3febc | 246 | case KillOpt: |
5a53aeec JS |
247 | if (!mode) |
248 | newmode = MISC; | |
249 | break; | |
250 | ||
251 | case NoSharing: | |
252 | newmode = MONITOR; | |
253 | break; | |
e0d19036 NB |
254 | } |
255 | if (mode && newmode == mode) { | |
256 | /* everybody happy ! */ | |
257 | } else if (mode && newmode != mode) { | |
258 | /* not allowed.. */ | |
e7b84f9d | 259 | pr_err(""); |
e0d19036 NB |
260 | if (option_index >= 0) |
261 | fprintf(stderr, "--%s", long_options[option_index].name); | |
262 | else | |
263 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 264 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
265 | map_num(modes, newmode), |
266 | map_num(modes, mode)); | |
267 | exit(2); | |
268 | } else if (!mode && newmode) { | |
269 | mode = newmode; | |
dec18cae | 270 | if (mode == MISC && devs_found) { |
e7b84f9d | 271 | pr_err("No action given for %s in --misc mode\n", |
dec18cae N |
272 | devlist->devname); |
273 | fprintf(stderr," Action options must come before device names\n"); | |
274 | exit(2); | |
275 | } | |
e0d19036 NB |
276 | } else { |
277 | /* special case of -c --help */ | |
1c7a808c | 278 | if ((opt == 'c' || opt == ConfigFile) && |
e0d19036 NB |
279 | ( strncmp(optarg, "--h", 3)==0 || |
280 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 281 | fputs(Help_config, stdout); |
e0d19036 | 282 | exit(0); |
cd29a5c8 | 283 | } |
0320ea45 NB |
284 | |
285 | /* If first option is a device, don't force the mode yet */ | |
286 | if (opt == 1) { | |
287 | if (devs_found == 0) { | |
503975b9 | 288 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
289 | dv->devname = optarg; |
290 | dv->disposition = devmode; | |
dfd4d8ee | 291 | dv->writemostly = writemostly; |
da6b5ca9 | 292 | dv->used = 0; |
0320ea45 NB |
293 | dv->next = NULL; |
294 | *devlistend = dv; | |
295 | devlistend = &dv->next; | |
aba69144 | 296 | |
0320ea45 NB |
297 | devs_found++; |
298 | continue; | |
299 | } | |
300 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 301 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 302 | " (%s) is listed\n", optarg); |
0320ea45 NB |
303 | exit(2); |
304 | } | |
e0d19036 | 305 | if (option_index >= 0) |
e7b84f9d | 306 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 307 | else |
e7b84f9d | 308 | pr_err("-%c", opt); |
0320ea45 | 309 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
310 | exit(2); |
311 | } | |
312 | ||
313 | /* if we just set the mode, then done */ | |
314 | switch(opt) { | |
1c7a808c N |
315 | case ManageOpt: |
316 | case MiscOpt: | |
e0d19036 NB |
317 | case 'A': |
318 | case 'B': | |
319 | case 'C': | |
320 | case 'F': | |
dd0781e5 | 321 | case 'G': |
8382f19b | 322 | case 'I': |
1f48664b | 323 | case AutoDetect: |
e0d19036 NB |
324 | continue; |
325 | } | |
326 | if (opt == 1) { | |
9eafa1de | 327 | /* an undecorated option - must be a device name. |
e0d19036 | 328 | */ |
9eafa1de MN |
329 | |
330 | if (devs_found > 0 && devmode == DetailPlatform) { | |
331 | pr_err("controller may only be specified once. %s ignored\n", | |
332 | optarg); | |
333 | continue; | |
334 | } | |
335 | ||
1c7a808c | 336 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
e7b84f9d | 337 | pr_err("Must give one of -a/-r/-f" |
1c7a808c | 338 | " for subsequent devices at %s\n", optarg); |
52826846 NB |
339 | exit(2); |
340 | } | |
1c7a808c | 341 | if (devs_found > 0 && mode == GROW && !devmode) { |
e7b84f9d N |
342 | pr_err("Must give -a/--add for" |
343 | " devices to add: %s\n", optarg); | |
e5329c37 NB |
344 | exit(2); |
345 | } | |
503975b9 | 346 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
347 | dv->devname = optarg; |
348 | dv->disposition = devmode; | |
dfd4d8ee | 349 | dv->writemostly = writemostly; |
9008ed1c | 350 | dv->used = 0; |
cd29a5c8 NB |
351 | dv->next = NULL; |
352 | *devlistend = dv; | |
353 | devlistend = &dv->next; | |
aba69144 | 354 | |
52826846 NB |
355 | devs_found++; |
356 | continue; | |
682c7051 | 357 | } |
682c7051 | 358 | |
52826846 NB |
359 | /* We've got a mode, and opt is now something else which |
360 | * could depend on the mode */ | |
1c7a808c | 361 | #define O(a,b) ((a<<16)|b) |
52826846 | 362 | switch (O(mode,opt)) { |
7236ee7a | 363 | case O(GROW,'c'): |
1c7a808c | 364 | case O(GROW,ChunkSize): |
e0d19036 | 365 | case O(CREATE,'c'): |
1c7a808c | 366 | case O(CREATE,ChunkSize): |
e0d19036 | 367 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 368 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 369 | if (s.chunk) { |
e7b84f9d | 370 | pr_err("chunk/rounding may only be specified once. " |
52826846 NB |
371 | "Second value is %s.\n", optarg); |
372 | exit(2); | |
373 | } | |
e705e81b | 374 | s.chunk = parse_size(optarg); |
822e393a N |
375 | if (s.chunk == INVALID_SECTORS || |
376 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 377 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
378 | optarg); |
379 | exit(2); | |
380 | } | |
a252c078 | 381 | /* Convert sectors to K */ |
e705e81b | 382 | s.chunk /= 2; |
52826846 | 383 | continue; |
64c4757e | 384 | |
8382f19b | 385 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
386 | case O(CREATE,'e'): |
387 | case O(ASSEMBLE,'e'): | |
388 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
389 | if (ss) { | |
e7b84f9d | 390 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
391 | exit(2); |
392 | } | |
aba69144 | 393 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
394 | ss = superlist[i]->match_metadata_desc(optarg); |
395 | ||
f9ce90ba | 396 | if (!ss) { |
e7b84f9d | 397 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
398 | exit(2); |
399 | } | |
400 | continue; | |
401 | ||
dfd4d8ee | 402 | case O(MANAGE,'W'): |
1c7a808c | 403 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 404 | case O(BUILD,'W'): |
1c7a808c | 405 | case O(BUILD,WriteMostly): |
dfd4d8ee | 406 | case O(CREATE,'W'): |
1c7a808c | 407 | case O(CREATE,WriteMostly): |
dfd4d8ee NB |
408 | /* set write-mostly for following devices */ |
409 | writemostly = 1; | |
410 | continue; | |
411 | ||
b3d31955 N |
412 | case O(MANAGE,'w'): |
413 | /* clear write-mostly for following devices */ | |
414 | writemostly = 2; | |
415 | continue; | |
416 | ||
417 | ||
dd0781e5 | 418 | case O(GROW,'z'): |
25affb56 PC |
419 | case O(CREATE,'z'): |
420 | case O(BUILD,'z'): /* size */ | |
e705e81b | 421 | if (s.size > 0) { |
e7b84f9d | 422 | pr_err("size may only be specified once. " |
52826846 NB |
423 | "Second value is %s.\n", optarg); |
424 | exit(2); | |
425 | } | |
dd0781e5 | 426 | if (strcmp(optarg, "max")==0) |
e705e81b | 427 | s.size = MAX_SIZE; |
dd0781e5 | 428 | else { |
e705e81b | 429 | s.size = parse_size(optarg); |
822e393a N |
430 | if (s.size == INVALID_SECTORS || |
431 | s.size < 8) { | |
e7b84f9d | 432 | pr_err("invalid size: %s\n", |
dd0781e5 NB |
433 | optarg); |
434 | exit(2); | |
435 | } | |
5f4fc0e1 | 436 | /* convert sectors to K */ |
e705e81b | 437 | s.size /= 2; |
52826846 NB |
438 | } |
439 | continue; | |
64c4757e | 440 | |
84e11361 | 441 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 442 | if (array_size > 0) { |
e7b84f9d | 443 | pr_err("array-size may only be specified once. " |
84e11361 N |
444 | "Second value is %s.\n", optarg); |
445 | exit(2); | |
446 | } | |
447 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 448 | array_size = MAX_SIZE; |
84e11361 N |
449 | else { |
450 | array_size = parse_size(optarg); | |
822e393a N |
451 | if (array_size == 0 || |
452 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 453 | pr_err("invalid array size: %s\n", |
84e11361 N |
454 | optarg); |
455 | exit(2); | |
456 | } | |
457 | } | |
458 | continue; | |
459 | ||
7236ee7a | 460 | case O(GROW,'l'): |
e0d19036 NB |
461 | case O(CREATE,'l'): |
462 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 463 | if (s.level != UnSet) { |
e7b84f9d | 464 | pr_err("raid level may only be set once. " |
52826846 NB |
465 | "Second value is %s.\n", optarg); |
466 | exit(2); | |
467 | } | |
e705e81b N |
468 | s.level = map_name(pers, optarg); |
469 | if (s.level == UnSet) { | |
e7b84f9d | 470 | pr_err("invalid raid level: %s\n", |
52826846 NB |
471 | optarg); |
472 | exit(2); | |
473 | } | |
e705e81b N |
474 | if (s.level != 0 && s.level != LEVEL_LINEAR && s.level != 1 && |
475 | s.level != LEVEL_MULTIPATH && s.level != LEVEL_FAULTY && | |
476 | s.level != 10 && | |
e0fe762a | 477 | mode == BUILD) { |
e7b84f9d | 478 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
479 | optarg); |
480 | exit(2); | |
481 | } | |
e705e81b | 482 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 483 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
484 | optarg); |
485 | exit(2); | |
486 | } | |
e705e81b | 487 | ident.level = s.level; |
52826846 | 488 | continue; |
64c4757e | 489 | |
19678e53 | 490 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 491 | case O(GROW, Layout): |
e705e81b | 492 | if (s.layout_str) { |
e7b84f9d N |
493 | pr_err("layout may only be sent once. " |
494 | "Second value was %s\n", optarg); | |
19678e53 N |
495 | exit(2); |
496 | } | |
e705e81b | 497 | s.layout_str = optarg; |
19678e53 N |
498 | /* 'Grow' will parse the value */ |
499 | continue; | |
500 | ||
e0d19036 | 501 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 502 | case O(CREATE,Layout): |
b5e64645 | 503 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 504 | case O(BUILD,Layout): |
e705e81b | 505 | if (s.layout != UnSet) { |
e7b84f9d N |
506 | pr_err("layout may only be sent once. " |
507 | "Second value was %s\n", optarg); | |
52826846 NB |
508 | exit(2); |
509 | } | |
e705e81b | 510 | switch(s.level) { |
52826846 | 511 | default: |
e7b84f9d | 512 | pr_err("layout not meaningful for %s arrays.\n", |
e705e81b | 513 | map_num(pers, s.level)); |
52826846 | 514 | exit(2); |
98c6faba | 515 | case UnSet: |
e7b84f9d | 516 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
517 | exit(2); |
518 | ||
519 | case 5: | |
e705e81b N |
520 | s.layout = map_name(r5layout, optarg); |
521 | if (s.layout==UnSet) { | |
e7b84f9d | 522 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
523 | optarg); |
524 | exit(2); | |
525 | } | |
526 | break; | |
b640a252 | 527 | case 6: |
e705e81b N |
528 | s.layout = map_name(r6layout, optarg); |
529 | if (s.layout==UnSet) { | |
e7b84f9d | 530 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
531 | optarg); |
532 | exit(2); | |
533 | } | |
534 | break; | |
e5329c37 NB |
535 | |
536 | case 10: | |
e705e81b N |
537 | s.layout = parse_layout_10(optarg); |
538 | if (s.layout < 0) { | |
e7b84f9d | 539 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
540 | exit(2); |
541 | } | |
e5329c37 | 542 | break; |
19678e53 N |
543 | case LEVEL_FAULTY: |
544 | /* Faulty | |
545 | * modeNNN | |
546 | */ | |
e705e81b N |
547 | s.layout = parse_layout_faulty(optarg); |
548 | if (s.layout == -1) { | |
e7b84f9d | 549 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
550 | optarg); |
551 | exit(2); | |
552 | } | |
4a06e2c2 | 553 | break; |
52826846 NB |
554 | } |
555 | continue; | |
556 | ||
997aed5d NB |
557 | case O(CREATE,AssumeClean): |
558 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 559 | case O(GROW,AssumeClean): |
e705e81b | 560 | s.assume_clean = 1; |
dd0781e5 NB |
561 | continue; |
562 | ||
563 | case O(GROW,'n'): | |
e0d19036 NB |
564 | case O(CREATE,'n'): |
565 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 566 | if (s.raiddisks) { |
e7b84f9d | 567 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 568 | s.raiddisks, optarg); |
52826846 NB |
569 | exit(2); |
570 | } | |
e705e81b N |
571 | s.raiddisks = parse_num(optarg); |
572 | if (s.raiddisks <= 0) { | |
e7b84f9d | 573 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
574 | optarg); |
575 | exit(2); | |
576 | } | |
e705e81b | 577 | ident.raid_disks = s.raiddisks; |
52826846 NB |
578 | continue; |
579 | ||
18361a1a | 580 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 581 | if (s.sparedisks) { |
e7b84f9d | 582 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 583 | s.sparedisks, optarg); |
52826846 NB |
584 | exit(2); |
585 | } | |
e705e81b | 586 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 587 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 588 | s.level); |
52826846 NB |
589 | exit(2); |
590 | } | |
e705e81b N |
591 | s.sparedisks = parse_num(optarg); |
592 | if (s.sparedisks < 0) { | |
e7b84f9d | 593 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
594 | optarg); |
595 | exit(2); | |
596 | } | |
597 | continue; | |
dd0781e5 NB |
598 | |
599 | case O(CREATE,'a'): | |
1c7a808c | 600 | case O(CREATE,Auto): |
dd0781e5 | 601 | case O(BUILD,'a'): |
1c7a808c | 602 | case O(BUILD,Auto): |
95b79df0 | 603 | case O(INCREMENTAL,'a'): |
1c7a808c N |
604 | case O(INCREMENTAL,Auto): |
605 | case O(ASSEMBLE,'a'): | |
606 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 607 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
608 | continue; |
609 | ||
38098016 NB |
610 | case O(CREATE,Symlinks): |
611 | case O(BUILD,Symlinks): | |
612 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
613 | symlinks = optarg; | |
614 | continue; | |
615 | ||
aa88f531 | 616 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 617 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 618 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 619 | case O(GROW,Force): /* ditto */ |
e0d19036 | 620 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 621 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 622 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 623 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 624 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 625 | case O(MISC,Force): /* force zero */ |
11b391ec | 626 | case O(MANAGE,Force): /* add device which is too large */ |
9e33d556 | 627 | c.force=1; |
52826846 | 628 | continue; |
52826846 | 629 | /* now for the Assemble options */ |
b76b30e0 AK |
630 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
631 | * initrd phase */ | |
632 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 633 | c.freeze_reshape = 1; |
b76b30e0 | 634 | continue; |
3d3dd91e | 635 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 636 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 637 | if (ident.uuid_set) { |
e7b84f9d | 638 | pr_err("uuid cannot be set twice. " |
52826846 NB |
639 | "Second value %s.\n", optarg); |
640 | exit(2); | |
641 | } | |
642 | if (parse_uuid(optarg, ident.uuid)) | |
643 | ident.uuid_set = 1; | |
644 | else { | |
e7b84f9d | 645 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
646 | exit(2); |
647 | } | |
648 | continue; | |
649 | ||
947fd4dd NB |
650 | case O(CREATE,'N'): |
651 | case O(ASSEMBLE,'N'): | |
aa534678 | 652 | case O(MISC,'N'): |
947fd4dd | 653 | if (ident.name[0]) { |
e7b84f9d | 654 | pr_err("name cannot be set twice. " |
947fd4dd NB |
655 | "Second value %s.\n", optarg); |
656 | exit(2); | |
657 | } | |
9e33d556 | 658 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 659 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
660 | exit(2); |
661 | } | |
947fd4dd | 662 | if (strlen(optarg) > 32) { |
e7b84f9d | 663 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
664 | optarg); |
665 | exit(2); | |
666 | } | |
667 | strcpy(ident.name, optarg); | |
668 | continue; | |
669 | ||
e0d19036 | 670 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 671 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 672 | if (ident.super_minor != UnSet) { |
e7b84f9d | 673 | pr_err("super-minor cannot be set twice. " |
cd29a5c8 NB |
674 | "Second value: %s.\n", optarg); |
675 | exit(2); | |
676 | } | |
d013a55e NB |
677 | if (strcmp(optarg, "dev")==0) |
678 | ident.super_minor = -2; | |
679 | else { | |
79868890 N |
680 | ident.super_minor = parse_num(optarg); |
681 | if (ident.super_minor < 0) { | |
e7b84f9d | 682 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
683 | exit(2); |
684 | } | |
cd29a5c8 NB |
685 | } |
686 | continue; | |
687 | ||
0ea8f5b1 N |
688 | case O(ASSEMBLE,'o'): |
689 | case O(MANAGE,'o'): | |
690 | case O(CREATE,'o'): | |
9e33d556 | 691 | c.readonly = 1; |
0ea8f5b1 N |
692 | continue; |
693 | ||
5787fa49 | 694 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 695 | case O(MISC,'U'): |
9e33d556 | 696 | if (c.update) { |
e7b84f9d | 697 | pr_err("Can only update one aspect" |
833bb0f8 | 698 | " of superblock, both %s and %s given.\n", |
9e33d556 | 699 | c.update, optarg); |
5787fa49 NB |
700 | exit(2); |
701 | } | |
9e33d556 | 702 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 703 | pr_err("Only subarrays can be" |
833bb0f8 | 704 | " updated in misc mode\n"); |
aa534678 DW |
705 | exit(2); |
706 | } | |
9e33d556 N |
707 | c.update = optarg; |
708 | if (strcmp(c.update, "sparc2.2")==0) | |
e5329c37 | 709 | continue; |
9e33d556 | 710 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 711 | continue; |
9e33d556 | 712 | if (strcmp(c.update, "summaries")==0) |
feb716e9 | 713 | continue; |
9e33d556 | 714 | if (strcmp(c.update, "resync")==0) |
e5329c37 | 715 | continue; |
9e33d556 | 716 | if (strcmp(c.update, "uuid")==0) |
7d99579f | 717 | continue; |
9e33d556 | 718 | if (strcmp(c.update, "name")==0) |
c4f12c13 | 719 | continue; |
9e33d556 | 720 | if (strcmp(c.update, "homehost")==0) |
0237e0ca | 721 | continue; |
9e33d556 | 722 | if (strcmp(c.update, "devicesize")==0) |
bee8ec56 | 723 | continue; |
9e33d556 | 724 | if (strcmp(c.update, "no-bitmap")==0) |
5a31170d | 725 | continue; |
688e99a7 N |
726 | if (strcmp(c.update, "bbl") == 0) |
727 | continue; | |
728 | if (strcmp(c.update, "no-bbl") == 0) | |
729 | continue; | |
9e33d556 | 730 | if (strcmp(c.update, "byteorder")==0) { |
586ed405 | 731 | if (ss) { |
e7b84f9d N |
732 | pr_err("must not set metadata" |
733 | " type with --update=byteorder.\n"); | |
586ed405 NB |
734 | exit(2); |
735 | } | |
aba69144 | 736 | for(i=0; !ss && superlist[i]; i++) |
833bb0f8 N |
737 | ss = superlist[i]->match_metadata_desc( |
738 | "0.swap"); | |
586ed405 | 739 | if (!ss) { |
e7b84f9d | 740 | pr_err("INTERNAL ERROR" |
833bb0f8 | 741 | " cannot find 0.swap\n"); |
586ed405 NB |
742 | exit(2); |
743 | } | |
744 | ||
745 | continue; | |
746 | } | |
9e33d556 N |
747 | if (strcmp(c.update,"?") == 0 || |
748 | strcmp(c.update, "help") == 0) { | |
0047d254 NB |
749 | outf = stdout; |
750 | fprintf(outf, Name ": "); | |
751 | } else { | |
752 | outf = stderr; | |
753 | fprintf(outf, | |
754 | Name ": '--update=%s' is invalid. ", | |
9e33d556 | 755 | c.update); |
0047d254 NB |
756 | } |
757 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 | 758 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
5a31170d N |
759 | " 'summaries', 'homehost', 'byteorder', 'devicesize',\n" |
760 | " 'no-bitmap'\n"); | |
0047d254 | 761 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 762 | |
833bb0f8 N |
763 | case O(MANAGE,'U'): |
764 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 765 | if (devmode != 'A') { |
e7b84f9d | 766 | pr_err("--update in Manage mode only" |
833bb0f8 N |
767 | " allowed with --re-add.\n"); |
768 | exit(1); | |
769 | } | |
9e33d556 | 770 | if (c.update) { |
e7b84f9d | 771 | pr_err("Can only update one aspect" |
833bb0f8 | 772 | " of superblock, both %s and %s given.\n", |
9e33d556 | 773 | c.update, optarg); |
833bb0f8 N |
774 | exit(2); |
775 | } | |
9e33d556 | 776 | c.update = optarg; |
688e99a7 N |
777 | if (strcmp(c.update, "devicesize") != 0 && |
778 | strcmp(c.update, "bbl") != 0 && | |
779 | strcmp(c.update, "no-bbl") != 0) { | |
780 | pr_err("only 'devicesize', 'bbl' and 'no-bbl' can be" | |
833bb0f8 N |
781 | " updated with --re-add\n"); |
782 | exit(2); | |
783 | } | |
784 | continue; | |
785 | ||
172356c9 | 786 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 787 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 788 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
789 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
790 | * so we overload slightly */ | |
b8a8ccf9 NB |
791 | continue; |
792 | ||
1c7a808c N |
793 | case O(ASSEMBLE,'c'): |
794 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 795 | case O(INCREMENTAL, 'c'): |
1c7a808c | 796 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 797 | case O(MISC, 'c'): |
1c7a808c | 798 | case O(MISC, ConfigFile): |
e0d19036 | 799 | case O(MONITOR,'c'): |
1c7a808c | 800 | case O(MONITOR,ConfigFile): |
52826846 | 801 | if (configfile) { |
e7b84f9d | 802 | pr_err("configfile cannot be set twice. " |
52826846 NB |
803 | "Second value is %s.\n", optarg); |
804 | exit(2); | |
805 | } | |
806 | configfile = optarg; | |
8aec876d | 807 | set_conffile(configfile); |
52826846 NB |
808 | /* FIXME possibly check that config file exists. Even parse it */ |
809 | continue; | |
e0d19036 NB |
810 | case O(ASSEMBLE,'s'): /* scan */ |
811 | case O(MISC,'s'): | |
812 | case O(MONITOR,'s'): | |
8382f19b | 813 | case O(INCREMENTAL,'s'): |
9e33d556 | 814 | c.scan = 1; |
52826846 NB |
815 | continue; |
816 | ||
e0d19036 | 817 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 818 | case O(MONITOR,EMail): |
52826846 | 819 | if (mailaddr) |
e7b84f9d | 820 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
821 | optarg); |
822 | else | |
823 | mailaddr = optarg; | |
824 | continue; | |
825 | ||
e0d19036 | 826 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 827 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 828 | if (program) |
e7b84f9d | 829 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
830 | optarg); |
831 | else | |
832 | program = optarg; | |
833 | continue; | |
64c4757e | 834 | |
9a36a9b7 | 835 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 836 | case O(MONITOR,Increment): |
9a36a9b7 | 837 | increments = atoi(optarg); |
18361a1a | 838 | if (increments > 99 || increments < 1) { |
e7b84f9d | 839 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
840 | exit(2); |
841 | } | |
842 | continue; | |
843 | ||
e0d19036 | 844 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 845 | case O(GROW, 'd'): |
c82f047c NB |
846 | case O(BUILD,'d'): /* delay for bitmap updates */ |
847 | case O(CREATE,'d'): | |
9e33d556 | 848 | if (c.delay) |
e7b84f9d | 849 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
850 | optarg); |
851 | else { | |
9e33d556 N |
852 | c.delay = parse_num(optarg); |
853 | if (c.delay < 1) { | |
e7b84f9d | 854 | pr_err("invalid delay: %s\n", |
52826846 NB |
855 | optarg); |
856 | exit(2); | |
857 | } | |
858 | } | |
859 | continue; | |
d013a55e | 860 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 861 | case O(MONITOR,Fork): |
d013a55e NB |
862 | daemonise = 1; |
863 | continue; | |
b5e64645 NB |
864 | case O(MONITOR,'i'): /* pid */ |
865 | if (pidfile) | |
e7b84f9d | 866 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
867 | optarg); |
868 | else | |
869 | pidfile = optarg; | |
870 | continue; | |
aa88f531 NB |
871 | case O(MONITOR,'1'): /* oneshot */ |
872 | oneshot = 1; | |
3f555346 | 873 | spare_sharing = 0; |
aa88f531 | 874 | continue; |
98c6faba | 875 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 876 | c.test = 1; |
98c6faba | 877 | continue; |
773135f5 | 878 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 879 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
880 | dosyslog = 1; |
881 | continue; | |
edde9560 AC |
882 | case O(MONITOR, NoSharing): |
883 | spare_sharing = 0; | |
884 | continue; | |
18361a1a | 885 | |
52826846 NB |
886 | /* now the general management options. Some are applicable |
887 | * to other modes. None have arguments. | |
888 | */ | |
e5329c37 | 889 | case O(GROW,'a'): |
1c7a808c N |
890 | case O(GROW,Add): |
891 | case O(MANAGE,'a'): | |
892 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 893 | devmode = 'a'; |
fe80f49b | 894 | continue; |
997aed5d | 895 | case O(MANAGE,ReAdd): |
c8e1a230 | 896 | devmode = 'A'; |
52826846 | 897 | continue; |
e0d19036 | 898 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 899 | case O(MANAGE,Remove): |
52826846 NB |
900 | devmode = 'r'; |
901 | continue; | |
e0d19036 | 902 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
903 | case O(MANAGE,Fail): |
904 | case O(INCREMENTAL,'f'): | |
905 | case O(INCREMENTAL,Remove): | |
906 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
907 | * even though we will both fail and |
908 | * remove the device */ | |
52826846 NB |
909 | devmode = 'f'; |
910 | continue; | |
8382f19b | 911 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
912 | case O(MANAGE,'R'): |
913 | case O(ASSEMBLE,'R'): | |
914 | case O(BUILD,'R'): | |
915 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 916 | if (c.runstop < 0) { |
e7b84f9d | 917 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
918 | exit(2); |
919 | } | |
9e33d556 | 920 | c.runstop = 1; |
52826846 | 921 | continue; |
e0d19036 | 922 | case O(MANAGE,'S'): |
9e33d556 | 923 | if (c.runstop > 0) { |
e7b84f9d | 924 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
925 | exit(2); |
926 | } | |
9e33d556 | 927 | c.runstop = -1; |
52826846 | 928 | continue; |
7d2e6486 | 929 | case O(MANAGE,'t'): |
9e33d556 | 930 | c.test = 1; |
7d2e6486 | 931 | continue; |
52826846 | 932 | |
e0d19036 NB |
933 | case O(MISC,'Q'): |
934 | case O(MISC,'D'): | |
935 | case O(MISC,'E'): | |
f7d3febc | 936 | case O(MISC,KillOpt): |
e0d19036 NB |
937 | case O(MISC,'R'): |
938 | case O(MISC,'S'): | |
c82f047c | 939 | case O(MISC,'X'): |
e0d19036 NB |
940 | case O(MISC,'o'): |
941 | case O(MISC,'w'): | |
b90c0e9a | 942 | case O(MISC,'W'): |
1c7a808c | 943 | case O(MISC, WaitOpt): |
1770662b | 944 | case O(MISC, Waitclean): |
4cce4069 | 945 | case O(MISC, DetailPlatform): |
33414a01 | 946 | case O(MISC, KillSubarray): |
aa534678 | 947 | case O(MISC, UpdateSubarray): |
5a53aeec | 948 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 949 | if (c.subarray) { |
e7b84f9d | 950 | pr_err("subarray can only" |
5a53aeec JS |
951 | " be specified once\n"); |
952 | exit(2); | |
953 | } | |
9e33d556 | 954 | c.subarray = optarg; |
5a53aeec | 955 | } |
e0d19036 NB |
956 | if (devmode && devmode != opt && |
957 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 958 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
959 | if (devmode == 'E') { |
960 | if (option_index >= 0) | |
961 | fprintf(stderr, "--%s\n", | |
962 | long_options[option_index].name); | |
963 | else | |
964 | fprintf(stderr, "-%c\n", opt); | |
965 | } else if (isalpha(devmode)) | |
966 | fprintf(stderr, "-%c\n", devmode); | |
967 | else | |
968 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
969 | exit(2); |
970 | } | |
971 | devmode = opt; | |
972 | continue; | |
7d27d1c0 N |
973 | case O(MISC, UdevRules): |
974 | if (devmode && devmode != opt) { | |
e7b84f9d N |
975 | pr_err("--udev-rules must" |
976 | " be the only option.\n"); | |
7d27d1c0 N |
977 | } else { |
978 | if (udev_filename) | |
e7b84f9d | 979 | pr_err("only specify one udev " |
7d27d1c0 N |
980 | "rule filename. %s ignored.\n", |
981 | optarg); | |
982 | else | |
983 | udev_filename = optarg; | |
984 | } | |
985 | devmode = opt; | |
986 | continue; | |
feb716e9 | 987 | case O(MISC,'t'): |
9e33d556 | 988 | c.test = 1; |
feb716e9 | 989 | continue; |
e0d19036 | 990 | |
997aed5d | 991 | case O(MISC, Sparc22): |
bd526cee | 992 | if (devmode != 'E') { |
e7b84f9d | 993 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
994 | exit(2); |
995 | } | |
9e33d556 | 996 | c.SparcAdjust = 1; |
bd526cee | 997 | continue; |
c82f047c NB |
998 | |
999 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1000 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1001 | if (!optarg) { |
e7b84f9d | 1002 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1003 | exit(2); |
1004 | } | |
55935d51 | 1005 | if (strcmp(optarg, "internal")==0) { |
e7b84f9d | 1006 | pr_err("there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); |
55935d51 NB |
1007 | continue; |
1008 | } | |
c82f047c NB |
1009 | bitmap_fd = open(optarg, O_RDWR); |
1010 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1011 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1012 | exit(2); |
1013 | } | |
1014 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1015 | continue; | |
f5e166fe | 1016 | |
997aed5d NB |
1017 | case O(ASSEMBLE, BackupFile): |
1018 | case O(GROW, BackupFile): | |
06b0d786 NB |
1019 | /* Specify a file into which grow might place a backup, |
1020 | * or from which assemble might recover a backup | |
1021 | */ | |
9e33d556 | 1022 | if (c.backup_file) { |
e7b84f9d | 1023 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1024 | exit(2); |
1025 | } | |
9e33d556 | 1026 | c.backup_file = optarg; |
06b0d786 NB |
1027 | continue; |
1028 | ||
2dddadb0 AK |
1029 | case O(GROW, Continue): |
1030 | /* Continue interrupted grow | |
1031 | */ | |
1032 | grow_continue = 1; | |
1033 | continue; | |
87f26d14 N |
1034 | case O(ASSEMBLE, InvalidBackup): |
1035 | /* Acknowledge that the backupfile is invalid, but ask | |
1036 | * to continue anyway | |
1037 | */ | |
9e33d556 | 1038 | c.invalid_backup = 1; |
87f26d14 N |
1039 | continue; |
1040 | ||
c82f047c | 1041 | case O(BUILD,'b'): |
1c7a808c N |
1042 | case O(BUILD,Bitmap): |
1043 | case O(CREATE,'b'): | |
1044 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1045 | if (strcmp(optarg, "none") == 0) { |
e7b84f9d | 1046 | pr_err("'--bitmap none' only" |
18361a1a | 1047 | " supported for --grow\n"); |
85375d6d NB |
1048 | exit(2); |
1049 | } | |
1050 | /* FALL THROUGH */ | |
1051 | case O(GROW,'b'): | |
1c7a808c | 1052 | case O(GROW,Bitmap): |
1e0d770c NB |
1053 | if (strcmp(optarg, "internal")== 0 || |
1054 | strcmp(optarg, "none")== 0 || | |
1055 | strchr(optarg, '/') != NULL) { | |
e705e81b | 1056 | s.bitmap_file = optarg; |
1e0d770c NB |
1057 | continue; |
1058 | } | |
1059 | /* probable typo */ | |
e7b84f9d | 1060 | pr_err("bitmap file must contain a '/', or be 'internal', or 'none'\n" |
a1331cc4 | 1061 | " not '%s'\n", optarg); |
1e0d770c | 1062 | exit(2); |
c82f047c | 1063 | |
997aed5d NB |
1064 | case O(GROW,BitmapChunk): |
1065 | case O(BUILD,BitmapChunk): | |
1066 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1067 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1068 | if (s.bitmap_chunk == 0 || |
1069 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1070 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1071 | pr_err("invalid bitmap chunksize: %s\n", |
1072 | optarg); | |
c82f047c NB |
1073 | exit(2); |
1074 | } | |
e705e81b | 1075 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1076 | continue; |
dfd4d8ee | 1077 | |
7d19ad0d | 1078 | case O(GROW, WriteBehind): |
997aed5d NB |
1079 | case O(BUILD, WriteBehind): |
1080 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
e705e81b | 1081 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
dfd4d8ee | 1082 | if (optarg) { |
e705e81b N |
1083 | s.write_behind = parse_num(optarg); |
1084 | if (s.write_behind < 0 || | |
1085 | s.write_behind > 16383) { | |
e7b84f9d | 1086 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1087 | exit(2); |
1088 | } | |
1089 | } | |
1090 | continue; | |
8382f19b NB |
1091 | |
1092 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1093 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1094 | rebuild_map = 1; |
1095 | continue; | |
950bc344 PC |
1096 | case O(INCREMENTAL, IncrementalPath): |
1097 | remove_path = optarg; | |
1098 | continue; | |
52826846 NB |
1099 | } |
1100 | /* We have now processed all the valid options. Anything else is | |
1101 | * an error | |
1102 | */ | |
06b0d786 | 1103 | if (option_index > 0) |
e7b84f9d | 1104 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 NB |
1105 | long_options[option_index].name, |
1106 | map_num(modes, mode)); | |
1107 | else | |
e7b84f9d | 1108 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1109 | opt, map_num(modes, mode)); |
64c4757e | 1110 | exit(2); |
52826846 NB |
1111 | |
1112 | } | |
1113 | ||
3d4064cc | 1114 | if (print_help) { |
5187a385 | 1115 | char *help_text; |
3d4064cc NB |
1116 | if (print_help == 2) |
1117 | help_text = OptionHelp; | |
1118 | else | |
5187a385 N |
1119 | help_text = mode_help[mode]; |
1120 | if (help_text == NULL) | |
1121 | help_text = Help; | |
0047d254 | 1122 | fputs(help_text,stdout); |
3d4064cc NB |
1123 | exit(0); |
1124 | } | |
1125 | ||
0320ea45 NB |
1126 | if (!mode && devs_found) { |
1127 | mode = MISC; | |
1128 | devmode = 'Q'; | |
1129 | if (devlist->disposition == 0) | |
1130 | devlist->disposition = devmode; | |
1131 | } | |
52826846 NB |
1132 | if (!mode) { |
1133 | fputs(Usage, stderr); | |
64c4757e | 1134 | exit(2); |
64c4757e | 1135 | } |
38098016 NB |
1136 | |
1137 | if (symlinks) { | |
1138 | struct createinfo *ci = conf_get_create_info(); | |
1139 | ||
1140 | if (strcasecmp(symlinks, "yes") == 0) | |
1141 | ci->symlinks = 1; | |
1142 | else if (strcasecmp(symlinks, "no") == 0) | |
1143 | ci->symlinks = 0; | |
1144 | else { | |
e7b84f9d | 1145 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1146 | exit(2); |
1147 | } | |
1148 | } | |
52826846 NB |
1149 | /* Ok, got the option parsing out of the way |
1150 | * hopefully it's mostly right but there might be some stuff | |
1151 | * missing | |
1152 | * | |
e0d19036 | 1153 | * That is mosty checked in the per-mode stuff but... |
52826846 | 1154 | * |
18361a1a N |
1155 | * For @,B,C and A without -s, the first device listed must be |
1156 | * an md device. We check that here and open it. | |
64c4757e | 1157 | */ |
52826846 | 1158 | |
18361a1a N |
1159 | if (mode == MANAGE || mode == BUILD || mode == CREATE |
1160 | || mode == GROW | |
9e33d556 | 1161 | || (mode == ASSEMBLE && ! c.scan)) { |
52826846 | 1162 | if (devs_found < 1) { |
e7b84f9d | 1163 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1164 | exit(2); |
1165 | } | |
9e33d556 | 1166 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1167 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1168 | exit(2); |
1169 | } | |
7f91af49 | 1170 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1171 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1172 | if (mdfd < 0) |
1173 | exit(1); | |
1174 | } else | |
1175 | /* non-existent device is OK */ | |
1176 | mdfd = open_mddev(devlist->devname, 0); | |
1177 | if (mdfd == -2) { | |
e7b84f9d | 1178 | pr_err("device %s exists but is not an " |
7f91af49 | 1179 | "md array.\n", devlist->devname); |
52826846 | 1180 | exit(1); |
7f91af49 | 1181 | } |
98c6faba | 1182 | if ((int)ident.super_minor == -2) { |
d013a55e | 1183 | struct stat stb; |
7f91af49 | 1184 | if (mdfd < 0) { |
e7b84f9d | 1185 | pr_err("--super-minor=dev given, and " |
7f91af49 N |
1186 | "listed device %s doesn't exist.\n", |
1187 | devlist->devname); | |
1188 | exit(1); | |
1189 | } | |
d013a55e | 1190 | fstat(mdfd, &stb); |
0df46c2a | 1191 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1192 | } |
7f91af49 N |
1193 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1194 | /* We don't really want this open yet, we just might | |
1195 | * have wanted to check some things | |
1196 | */ | |
1197 | close(mdfd); | |
1198 | mdfd = -1; | |
1199 | } | |
64c4757e | 1200 | } |
52826846 | 1201 | |
e705e81b N |
1202 | if (s.raiddisks) { |
1203 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1204 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1205 | " a mistake. If you really mean it you will need to specify --force before\n" |
1206 | " setting the number of drives.\n"); | |
1207 | exit(2); | |
1208 | } | |
1209 | } | |
c82f047c | 1210 | |
9e33d556 N |
1211 | if (c.homehost == NULL) |
1212 | c.homehost = conf_get_homehost(&c.require_homehost); | |
1213 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>")==0) { | |
05697ec1 NB |
1214 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1215 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1216 | c.homehost = sys_hostname; |
05697ec1 NB |
1217 | } |
1218 | } | |
9e33d556 N |
1219 | if (c.homehost && (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { |
1220 | c.homehost = NULL; | |
1221 | c.require_homehost = 0; | |
0f23aa88 | 1222 | } |
997aed5d | 1223 | |
18361a1a N |
1224 | if ((mode == MISC && devmode == 'E') |
1225 | || (mode == MONITOR && spare_sharing == 0)) | |
1226 | /* Anyone may try this */; | |
1227 | else if (geteuid() != 0) { | |
e7b84f9d | 1228 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1229 | exit(1); |
1230 | } | |
1231 | ||
9e33d556 | 1232 | ident.autof = c.autof; |
7f91af49 | 1233 | |
265460ab N |
1234 | if (c.scan && c.verbose < 2) |
1235 | /* --scan implied --brief unless -vv */ | |
1236 | c.brief = 1; | |
1237 | ||
52826846 NB |
1238 | rv = 0; |
1239 | switch(mode) { | |
e0d19036 | 1240 | case MANAGE: |
52826846 | 1241 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1242 | if (c.readonly > 0) |
1243 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1244 | if (!rv && devs_found>1) |
cd29a5c8 | 1245 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1246 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1247 | c.update, c.force); |
1248 | if (!rv && c.readonly < 0) | |
1249 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
1250 | if (!rv && c.runstop) | |
0937132d | 1251 | rv = Manage_runstop(devlist->devname, mdfd, c.runstop, c.verbose, 0); |
52826846 | 1252 | break; |
e0d19036 | 1253 | case ASSEMBLE: |
d013a55e | 1254 | if (devs_found == 1 && ident.uuid_set == 0 && |
9e33d556 | 1255 | ident.super_minor == UnSet && ident.name[0] == 0 && !c.scan ) { |
d013a55e | 1256 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1257 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1258 | if (array_ident == NULL) { |
e7b84f9d | 1259 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1260 | devlist->devname); |
d013a55e | 1261 | rv |= 1; |
7f91af49 N |
1262 | if (mdfd >= 0) |
1263 | close(mdfd); | |
b5e64645 | 1264 | } else { |
7f91af49 | 1265 | if (array_ident->autof == 0) |
9e33d556 | 1266 | array_ident->autof = c.autof; |
7f91af49 | 1267 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1268 | NULL, &c); |
d013a55e | 1269 | } |
9e33d556 | 1270 | } else if (!c.scan) |
7f91af49 | 1271 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1272 | devlist->next, &c); |
18361a1a | 1273 | else if (devs_found > 0) { |
9e33d556 | 1274 | if (c.update && devs_found > 1) { |
e7b84f9d | 1275 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1276 | exit(1); |
1277 | } | |
9e33d556 | 1278 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1279 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1280 | exit(1); |
1281 | } | |
cd29a5c8 | 1282 | for (dv = devlist ; dv ; dv=dv->next) { |
fa56eddb | 1283 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1284 | if (array_ident == NULL) { |
e7b84f9d | 1285 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1286 | dv->devname); |
52826846 NB |
1287 | rv |= 1; |
1288 | continue; | |
1289 | } | |
7f91af49 | 1290 | if (array_ident->autof == 0) |
9e33d556 | 1291 | array_ident->autof = c.autof; |
7f91af49 | 1292 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1293 | NULL, &c); |
52826846 | 1294 | } |
5787fa49 | 1295 | } else { |
9e33d556 | 1296 | if (c.update) { |
e7b84f9d | 1297 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1298 | exit(1); |
1299 | } | |
9e33d556 | 1300 | if (c.backup_file) { |
e7b84f9d | 1301 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1302 | exit(1); |
1303 | } | |
4977146a | 1304 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1305 | } |
3cbc4d12 | 1306 | |
52826846 | 1307 | break; |
e0d19036 | 1308 | case BUILD: |
9e33d556 N |
1309 | if (c.delay == 0) |
1310 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1311 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1312 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1313 | rv = 1; |
1314 | break; | |
1315 | } | |
e705e81b | 1316 | if (s.raiddisks == 0) { |
e7b84f9d | 1317 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1318 | rv = 1; |
1319 | break; | |
1320 | } | |
dfd4d8ee | 1321 | |
e705e81b N |
1322 | if (s.bitmap_file) { |
1323 | if (strcmp(s.bitmap_file, "internal")==0) { | |
e7b84f9d | 1324 | pr_err("'internal' bitmaps not supported with --build\n"); |
55935d51 NB |
1325 | rv |= 1; |
1326 | break; | |
1327 | } | |
c82f047c | 1328 | } |
a4e8316a | 1329 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1330 | break; |
e0d19036 | 1331 | case CREATE: |
9e33d556 N |
1332 | if (c.delay == 0) |
1333 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1334 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1335 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1336 | rv = 1; |
1337 | break; | |
1338 | } | |
e705e81b | 1339 | if (s.raiddisks == 0) { |
e7b84f9d | 1340 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1341 | rv = 1; |
1342 | break; | |
1343 | } | |
f9ce90ba | 1344 | |
99cc42f4 N |
1345 | rv = Create(ss, devlist->devname, |
1346 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
171dccc8 | 1347 | devs_found-1, devlist->next, |
99cc42f4 | 1348 | &s, &c); |
52826846 | 1349 | break; |
e0d19036 | 1350 | case MISC: |
e0d19036 | 1351 | if (devmode == 'E') { |
9e33d556 | 1352 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1353 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1354 | exit(2); |
1355 | } | |
1356 | if (devlist == NULL) | |
8aec876d | 1357 | devlist = conf_get_devs(); |
e0d19036 | 1358 | if (devlist == NULL) { |
e7b84f9d | 1359 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1360 | exit(1); |
1361 | } | |
eec3f887 | 1362 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1363 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1364 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1365 | c.verbose, c.export, | |
1366 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1367 | } else if (devlist == NULL) { |
9e33d556 | 1368 | if (devmode == 'S' && c.scan) |
0937132d | 1369 | rv = stop_scan(c.verbose); |
9e33d556 | 1370 | else if ((devmode == 'D' || devmode == Waitclean) && c.scan) |
ef898ce6 | 1371 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1372 | else if (devmode == UdevRules) |
1373 | rv = Write_rules(udev_filename); | |
1374 | else { | |
e7b84f9d | 1375 | pr_err("No devices given.\n"); |
7d27d1c0 | 1376 | exit(2); |
e0d19036 | 1377 | } |
7d27d1c0 | 1378 | } else |
86da243f | 1379 | rv = misc_list(devlist, &ident, ss, &c); |
9a9dab36 | 1380 | break; |
e0d19036 | 1381 | case MONITOR: |
9e33d556 | 1382 | if (!devlist && !c.scan) { |
e7b84f9d | 1383 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1384 | rv = 1; |
1385 | break; | |
1386 | } | |
b5e64645 | 1387 | if (pidfile && !daemonise) { |
e7b84f9d | 1388 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1389 | rv = 1; |
1390 | break; | |
1391 | } | |
9e33d556 | 1392 | if (c.delay == 0) { |
3e82d76d | 1393 | if (get_linux_version() > 2006016) |
ddc7201f | 1394 | /* mdstat responds to poll */ |
9e33d556 | 1395 | c.delay = 1000; |
ddc7201f | 1396 | else |
9e33d556 | 1397 | c.delay = 60; |
ddc7201f | 1398 | } |
95c50205 N |
1399 | if (c.delay == 0) |
1400 | c.delay = 60; | |
d013a55e | 1401 | rv= Monitor(devlist, mailaddr, program, |
95c50205 N |
1402 | &c, daemonise, oneshot, |
1403 | dosyslog, pidfile, increments, | |
1404 | spare_sharing); | |
9a9dab36 | 1405 | break; |
dd0781e5 NB |
1406 | |
1407 | case GROW: | |
a93f8c65 | 1408 | if (array_size > 0) { |
84e11361 N |
1409 | /* alway impose array size first, independent of |
1410 | * anything else | |
9ce510be N |
1411 | * Do not allow level or raid_disks changes at the |
1412 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1413 | */ |
1414 | struct mdinfo sra; | |
1415 | int err; | |
e705e81b | 1416 | if (s.raiddisks || s.level != UnSet) { |
e7b84f9d | 1417 | pr_err("cannot change array size in same operation " |
9ce510be N |
1418 | "as changing raiddisks or level.\n" |
1419 | " Change size first, then check that data is still intact.\n"); | |
1420 | rv = 1; | |
1421 | break; | |
1422 | } | |
84e11361 | 1423 | sysfs_init(&sra, mdfd, 0); |
a93f8c65 | 1424 | if (array_size == MAX_SIZE) |
84e11361 N |
1425 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1426 | else | |
1427 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1428 | if (err < 0) { | |
1429 | if (errno == E2BIG) | |
e7b84f9d | 1430 | pr_err("--array-size setting" |
84e11361 N |
1431 | " is too large.\n"); |
1432 | else | |
e7b84f9d | 1433 | pr_err("current kernel does" |
84e11361 N |
1434 | " not support setting --array-size\n"); |
1435 | rv = 1; | |
1436 | break; | |
1437 | } | |
1438 | } | |
e705e81b | 1439 | if (devs_found > 1 && s.raiddisks == 0) { |
e5329c37 | 1440 | /* must be '-a'. */ |
e705e81b | 1441 | if (s.size > 0 || s.chunk || s.layout_str != NULL || s.bitmap_file) { |
e7b84f9d | 1442 | pr_err("--add cannot be used with " |
e2e53a2d | 1443 | "other geometry changes in --grow mode\n"); |
e5329c37 NB |
1444 | rv = 1; |
1445 | break; | |
1446 | } | |
1447 | for (dv=devlist->next; dv ; dv=dv->next) { | |
e2e53a2d N |
1448 | rv = Grow_Add_device(devlist->devname, mdfd, |
1449 | dv->devname); | |
e5329c37 NB |
1450 | if (rv) |
1451 | break; | |
1452 | } | |
e705e81b N |
1453 | } else if (s.bitmap_file) { |
1454 | if (s.size > 0 || s.raiddisks || s.chunk || | |
1455 | s.layout_str != NULL || devs_found > 1) { | |
e7b84f9d | 1456 | pr_err("--bitmap changes cannot be " |
e2e53a2d N |
1457 | "used with other geometry changes " |
1458 | "in --grow mode\n"); | |
7236ee7a N |
1459 | rv = 1; |
1460 | break; | |
1461 | } | |
9e33d556 N |
1462 | if (c.delay == 0) |
1463 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1464 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1465 | } else if (grow_continue) |
1466 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1467 | mdfd, c.backup_file, |
0937132d | 1468 | c.verbose); |
e705e81b N |
1469 | else if (s.size > 0 || s.raiddisks || s.layout_str != NULL |
1470 | || s.chunk != 0 || s.level != UnSet) { | |
32754b7d N |
1471 | rv = Grow_reshape(devlist->devname, mdfd, |
1472 | devlist->next, &c, &s); | |
a93f8c65 | 1473 | } else if (array_size == 0) |
e7b84f9d | 1474 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1475 | break; |
8382f19b NB |
1476 | case INCREMENTAL: |
1477 | if (rebuild_map) { | |
1478 | RebuildMap(); | |
1479 | } | |
9e33d556 N |
1480 | if (c.scan) { |
1481 | if (c.runstop <= 0) { | |
e7b84f9d | 1482 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1483 | break; |
1484 | } | |
29ba4804 | 1485 | if (devmode == 'f') { |
e7b84f9d | 1486 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1487 | break; |
1488 | } | |
0937132d | 1489 | rv = IncrementalScan(c.verbose); |
8382f19b NB |
1490 | } |
1491 | if (!devlist) { | |
9e33d556 | 1492 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1493 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1494 | rv = 1; |
1495 | } | |
1496 | break; | |
1497 | } | |
1498 | if (devlist->next) { | |
e7b84f9d | 1499 | pr_err("--incremental can only handle one device.\n"); |
8382f19b NB |
1500 | rv = 1; |
1501 | break; | |
1502 | } | |
950bc344 PC |
1503 | if (devmode == 'f') |
1504 | rv = IncrementalRemove(devlist->devname, remove_path, | |
0937132d | 1505 | c.verbose); |
950bc344 | 1506 | else |
11b6d91d | 1507 | rv = Incremental(devlist->devname, &c, ss); |
1f48664b NB |
1508 | break; |
1509 | case AUTODETECT: | |
1510 | autodetect(); | |
1511 | break; | |
64c4757e | 1512 | } |
52826846 | 1513 | exit(rv); |
64c4757e | 1514 | } |
3cbc4d12 | 1515 | |
4977146a N |
1516 | static int scan_assemble(struct supertype *ss, |
1517 | struct context *c, | |
1518 | struct mddev_ident *ident) | |
3cbc4d12 N |
1519 | { |
1520 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1521 | struct mddev_dev *devlist = conf_get_devs(); | |
1522 | struct map_ent *map = NULL; | |
1523 | int cnt = 0; | |
1524 | int rv = 0; | |
1525 | int failures, successes; | |
1526 | ||
1527 | if (conf_verify_devnames(array_list)) { | |
e7b84f9d N |
1528 | pr_err("Duplicate MD device names in " |
1529 | "conf file were found.\n"); | |
3cbc4d12 N |
1530 | return 1; |
1531 | } | |
1532 | if (devlist == NULL) { | |
e7b84f9d | 1533 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1534 | return 1; |
1535 | } | |
1536 | for (a = array_list; a ; a = a->next) { | |
1537 | a->assembled = 0; | |
1538 | if (a->autof == 0) | |
4977146a | 1539 | a->autof = c->autof; |
3cbc4d12 N |
1540 | } |
1541 | if (map_lock(&map)) | |
e7b84f9d N |
1542 | pr_err("%s: failed to get " |
1543 | "exclusive lock on mapfile\n", | |
1544 | __func__); | |
3cbc4d12 N |
1545 | do { |
1546 | failures = 0; | |
1547 | successes = 0; | |
1548 | rv = 0; | |
1549 | for (a = array_list; a ; a = a->next) { | |
1550 | int r; | |
1551 | if (a->assembled) | |
1552 | continue; | |
1553 | if (a->devname && | |
1554 | strcasecmp(a->devname, "<ignore>") == 0) | |
1555 | continue; | |
1556 | ||
1557 | r = Assemble(ss, a->devname, | |
4977146a | 1558 | a, NULL, c); |
3cbc4d12 N |
1559 | if (r == 0) { |
1560 | a->assembled = 1; | |
1561 | successes++; | |
1562 | } else | |
1563 | failures++; | |
1564 | rv |= r; | |
1565 | cnt++; | |
1566 | } | |
1567 | } while (failures && successes); | |
4977146a | 1568 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1569 | /* Maybe we can auto-assemble something. |
1570 | * Repeatedly call Assemble in auto-assemble mode | |
1571 | * until it fails | |
1572 | */ | |
1573 | int rv2; | |
1574 | int acnt; | |
4977146a | 1575 | ident->autof = c->autof; |
3cbc4d12 N |
1576 | do { |
1577 | struct mddev_dev *devlist = conf_get_devs(); | |
1578 | acnt = 0; | |
1579 | do { | |
1580 | rv2 = Assemble(ss, NULL, | |
1581 | ident, | |
4977146a | 1582 | devlist, c); |
3cbc4d12 N |
1583 | if (rv2==0) { |
1584 | cnt++; | |
1585 | acnt++; | |
1586 | } | |
1587 | } while (rv2!=2); | |
1588 | /* Incase there are stacked devices, we need to go around again */ | |
1589 | } while (acnt); | |
1590 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1591 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1592 | rv = 1; |
1593 | } else if (cnt) | |
1594 | rv = 0; | |
1595 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1596 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1597 | rv = 1; |
1598 | } | |
1599 | map_unlock(&map); | |
1600 | return rv; | |
1601 | } | |
7d27d1c0 | 1602 | |
ef898ce6 | 1603 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1604 | { |
1605 | /* apply --detail or --wait-clean to | |
1606 | * all devices in /proc/mdstat | |
1607 | */ | |
1608 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1609 | struct mdstat_ent *e; | |
1610 | struct map_ent *map = NULL; | |
1611 | int members; | |
7d27d1c0 N |
1612 | int rv = 0; |
1613 | ||
1614 | for (members = 0; members <= 1; members++) { | |
1615 | for (e=ms ; e ; e=e->next) { | |
1616 | char *name; | |
1617 | struct map_ent *me; | |
1618 | int member = e->metadata_version && | |
1619 | strncmp(e->metadata_version, | |
1620 | "external:/", 10) == 0; | |
1621 | if (members != member) | |
1622 | continue; | |
1623 | me = map_by_devnum(&map, e->devnum); | |
1624 | if (me && me->path | |
1625 | && strcmp(me->path, "/unknown") != 0) | |
1626 | name = me->path; | |
1627 | else | |
1628 | name = get_md_name(e->devnum); | |
1629 | ||
1630 | if (!name) { | |
e7b84f9d | 1631 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1632 | e->dev); |
1633 | continue; | |
1634 | } | |
1635 | if (devmode == 'D') | |
ef898ce6 | 1636 | rv |= Detail(name, c); |
7d27d1c0 | 1637 | else |
ef898ce6 | 1638 | rv |= WaitClean(name, -1, c->verbose); |
7d27d1c0 N |
1639 | put_md_name(name); |
1640 | } | |
1641 | } | |
1642 | free_mdstat(ms); | |
1643 | return rv; | |
1644 | } | |
1645 | ||
ba728be7 | 1646 | static int stop_scan(int verbose) |
7d27d1c0 N |
1647 | { |
1648 | /* apply --stop to all devices in /proc/mdstat */ | |
1649 | /* Due to possible stacking of devices, repeat until | |
1650 | * nothing more can be stopped | |
1651 | */ | |
1652 | int progress=1, err; | |
1653 | int last = 0; | |
1654 | int rv = 0; | |
1655 | do { | |
1656 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1657 | struct mdstat_ent *e; | |
1658 | ||
1659 | if (!progress) last = 1; | |
1660 | progress = 0; err = 0; | |
1661 | for (e=ms ; e ; e=e->next) { | |
1662 | char *name = get_md_name(e->devnum); | |
1663 | int mdfd; | |
1664 | ||
1665 | if (!name) { | |
e7b84f9d | 1666 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1667 | e->dev); |
1668 | continue; | |
1669 | } | |
1670 | mdfd = open_mddev(name, 1); | |
1671 | if (mdfd >= 0) { | |
ba728be7 | 1672 | if (Manage_runstop(name, mdfd, -1, verbose, !last)) |
7d27d1c0 N |
1673 | err = 1; |
1674 | else | |
1675 | progress = 1; | |
1676 | close(mdfd); | |
1677 | } | |
1678 | ||
1679 | put_md_name(name); | |
1680 | } | |
1681 | free_mdstat(ms); | |
1682 | } while (!last && err); | |
1683 | if (err) | |
1684 | rv |= 1; | |
1685 | return rv; | |
1686 | } | |
1687 | ||
1688 | static int misc_list(struct mddev_dev *devlist, | |
86da243f N |
1689 | struct mddev_ident *ident, |
1690 | struct supertype *ss, struct context *c) | |
7d27d1c0 N |
1691 | { |
1692 | struct mddev_dev *dv; | |
1693 | int rv = 0; | |
1694 | ||
1695 | for (dv=devlist ; dv; dv=dv->next) { | |
1696 | int mdfd; | |
1697 | ||
1698 | switch(dv->disposition) { | |
1699 | case 'D': | |
ef898ce6 | 1700 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1701 | continue; |
1702 | case KillOpt: /* Zero superblock */ | |
1703 | if (ss) | |
86da243f | 1704 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1705 | else { |
86da243f | 1706 | int v = c->verbose; |
7d27d1c0 | 1707 | do { |
86da243f | 1708 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1709 | v = -1; |
7d27d1c0 N |
1710 | } while (rv == 0); |
1711 | rv &= ~2; | |
1712 | } | |
1713 | continue; | |
1714 | case 'Q': | |
1715 | rv |= Query(dv->devname); continue; | |
1716 | case 'X': | |
86da243f | 1717 | rv |= ExamineBitmap(dv->devname, c->brief, ss); continue; |
7d27d1c0 N |
1718 | case 'W': |
1719 | case WaitOpt: | |
1720 | rv |= Wait(dv->devname); continue; | |
1721 | case Waitclean: | |
86da243f | 1722 | rv |= WaitClean(dv->devname, -1, c->verbose); continue; |
7d27d1c0 | 1723 | case KillSubarray: |
86da243f | 1724 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1725 | continue; |
1726 | case UpdateSubarray: | |
86da243f | 1727 | if (c->update == NULL) { |
e7b84f9d | 1728 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1729 | rv |= 1; |
1730 | continue; | |
1731 | } | |
86da243f N |
1732 | rv |= Update_subarray(dv->devname, c->subarray, |
1733 | c->update, ident, c->verbose); | |
7d27d1c0 N |
1734 | continue; |
1735 | } | |
1736 | mdfd = open_mddev(dv->devname, 1); | |
1737 | if (mdfd>=0) { | |
1738 | switch(dv->disposition) { | |
1739 | case 'R': | |
86da243f | 1740 | rv |= Manage_runstop(dv->devname, mdfd, 1, c->verbose, 0); break; |
7d27d1c0 | 1741 | case 'S': |
86da243f | 1742 | rv |= Manage_runstop(dv->devname, mdfd, -1, c->verbose, 0); break; |
7d27d1c0 N |
1743 | case 'o': |
1744 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1745 | case 'w': | |
1746 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1747 | } | |
1748 | close(mdfd); | |
1749 | } else | |
1750 | rv |= 1; | |
1751 | } | |
1752 | return rv; | |
1753 | } |