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