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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; |
40c9a66a | 52 | unsigned long long data_offset = INVALID_SECTORS; |
fa56eddb | 53 | struct mddev_ident ident; |
52826846 | 54 | char *configfile = NULL; |
1c7a808c | 55 | int devmode = 0; |
c82f047c | 56 | int bitmap_fd = -1; |
a655e550 N |
57 | struct mddev_dev *devlist = NULL; |
58 | struct mddev_dev **devlistend = & devlist; | |
59 | struct mddev_dev *dv; | |
52826846 | 60 | int devs_found = 0; |
38098016 | 61 | char *symlinks = NULL; |
2dddadb0 | 62 | int grow_continue = 0; |
f1ae21c4 NB |
63 | /* autof indicates whether and how to create device node. |
64 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
65 | * 0 - unset | |
66 | * 1 - don't create (no) | |
67 | * 2 - if is_standard, then create (yes) | |
68 | * 3 - create as 'md' - reject is_standard mdp (md) | |
69 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
70 | * 5 - default to md if not is_standard (md in config file) | |
71 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
72 | */ | |
9e33d556 N |
73 | struct context c = { |
74 | .require_homehost = 1, | |
75 | }; | |
e705e81b N |
76 | struct shape s = { |
77 | .level = UnSet, | |
78 | .layout = UnSet, | |
79 | .bitmap_chunk = UnSet, | |
80 | }; | |
52826846 | 81 | |
05697ec1 | 82 | char sys_hostname[256]; |
52826846 NB |
83 | char *mailaddr = NULL; |
84 | char *program = NULL; | |
9a36a9b7 | 85 | int increments = 20; |
d013a55e | 86 | int daemonise = 0; |
b5e64645 | 87 | char *pidfile = NULL; |
aa88f531 | 88 | int oneshot = 0; |
edde9560 | 89 | int spare_sharing = 1; |
82d9eba6 | 90 | struct supertype *ss = NULL; |
dfd4d8ee | 91 | int writemostly = 0; |
c06487ce | 92 | char *shortopt = short_options; |
773135f5 | 93 | int dosyslog = 0; |
8382f19b | 94 | int rebuild_map = 0; |
950bc344 | 95 | char *remove_path = NULL; |
20b60dcd | 96 | char *udev_filename = NULL; |
52826846 | 97 | |
3d4064cc | 98 | int print_help = 0; |
0047d254 | 99 | FILE *outf; |
e5329c37 | 100 | |
52826846 NB |
101 | int mdfd = -1; |
102 | ||
dfe47e00 NB |
103 | srandom(time(0) ^ getpid()); |
104 | ||
52826846 | 105 | ident.uuid_set=0; |
98c6faba NB |
106 | ident.level = UnSet; |
107 | ident.raid_disks = UnSet; | |
108 | ident.super_minor= UnSet; | |
52826846 | 109 | ident.devices=0; |
a75f2fbc NB |
110 | ident.spare_group = NULL; |
111 | ident.autof = 0; | |
a825febc | 112 | ident.st = NULL; |
c82f047c | 113 | ident.bitmap_fd = -1; |
7ef02d01 | 114 | ident.bitmap_file = NULL; |
947fd4dd | 115 | ident.name[0] = 0; |
aef35714 N |
116 | ident.container = NULL; |
117 | ident.member = NULL; | |
52826846 | 118 | |
e0d19036 NB |
119 | while ((option_index = -1) , |
120 | (opt=getopt_long(argc, argv, | |
c06487ce | 121 | shortopt, long_options, |
e0d19036 NB |
122 | &option_index)) != -1) { |
123 | int newmode = mode; | |
35904960 | 124 | /* firstly, some mode-independent options */ |
52826846 | 125 | switch(opt) { |
1c7a808c N |
126 | case HelpOptions: |
127 | print_help = 2; | |
128 | continue; | |
52826846 | 129 | case 'h': |
1c7a808c | 130 | print_help = 1; |
3d4064cc | 131 | continue; |
52826846 NB |
132 | |
133 | case 'V': | |
134 | fputs(Version, stderr); | |
135 | exit(0); | |
136 | ||
9e33d556 | 137 | case 'v': c.verbose++; |
52826846 NB |
138 | continue; |
139 | ||
0937132d | 140 | case 'q': c.verbose--; |
dab6685f NB |
141 | continue; |
142 | ||
c82f047c | 143 | case 'b': |
1c7a808c N |
144 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE |
145 | || mode == GROW || mode == INCREMENTAL | |
146 | || mode == MANAGE) | |
c82f047c | 147 | break; /* b means bitmap */ |
1c7a808c | 148 | case Brief: |
9e33d556 | 149 | c.brief = 1; |
cd29a5c8 NB |
150 | continue; |
151 | ||
9e33d556 | 152 | case 'Y': c.export++; |
54bad364 KS |
153 | continue; |
154 | ||
997aed5d | 155 | case HomeHost: |
0ac91628 | 156 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 157 | c.require_homehost = 0; |
0ac91628 | 158 | else |
9e33d556 | 159 | c.homehost = optarg; |
997aed5d NB |
160 | continue; |
161 | ||
08ca2adf JS |
162 | /* |
163 | * --offroot sets first char of argv[0] to @. This is used | |
18361a1a | 164 | * by systemd to signal that the task was launched from |
08ca2adf JS |
165 | * initrd/initramfs and should be preserved during shutdown |
166 | */ | |
167 | case OffRootOpt: | |
168 | argv[0][0] = '@'; | |
a0963a86 | 169 | __offroot = 1; |
08ca2adf JS |
170 | continue; |
171 | ||
c2ecf5f6 | 172 | case Prefer: |
9e33d556 N |
173 | if (c.prefer) |
174 | free(c.prefer); | |
175 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
176 | c.prefer = NULL; | |
c2ecf5f6 N |
177 | continue; |
178 | ||
e0d19036 NB |
179 | case ':': |
180 | case '?': | |
181 | fputs(Usage, stderr); | |
182 | exit(2); | |
183 | } | |
184 | /* second, figure out the mode. | |
185 | * Some options force the mode. Others | |
aba69144 | 186 | * set the mode if it isn't already |
e0d19036 NB |
187 | */ |
188 | ||
189 | switch(opt) { | |
1c7a808c | 190 | case ManageOpt: |
c06487ce | 191 | newmode = MANAGE; |
024768c4 | 192 | shortopt = short_bitmap_options; |
c06487ce | 193 | break; |
e0d19036 | 194 | case 'a': |
1c7a808c | 195 | case Add: |
e0d19036 | 196 | case 'r': |
1c7a808c | 197 | case Remove: |
e0d19036 | 198 | case 'f': |
1c7a808c | 199 | case Fail: |
41a3b72a | 200 | case ReAdd: /* re-add */ |
c06487ce NB |
201 | if (!mode) { |
202 | newmode = MANAGE; | |
024768c4 | 203 | shortopt = short_bitmap_options; |
c06487ce | 204 | } |
0320ea45 | 205 | break; |
e0d19036 | 206 | |
18361a1a N |
207 | case 'A': newmode = ASSEMBLE; |
208 | shortopt = short_bitmap_auto_options; | |
209 | break; | |
210 | case 'B': newmode = BUILD; | |
211 | shortopt = short_bitmap_auto_options; | |
212 | break; | |
213 | case 'C': newmode = CREATE; | |
214 | shortopt = short_bitmap_auto_options; | |
215 | break; | |
216 | case 'F': newmode = MONITOR; | |
217 | break; | |
024768c4 DL |
218 | case 'G': newmode = GROW; |
219 | shortopt = short_bitmap_options; | |
220 | break; | |
95b79df0 | 221 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
222 | shortopt = short_bitmap_auto_options; |
223 | break; | |
1f48664b | 224 | case AutoDetect: |
5a53aeec JS |
225 | newmode = AUTODETECT; |
226 | break; | |
e0d19036 | 227 | |
1c7a808c | 228 | case MiscOpt: |
e0d19036 NB |
229 | case 'D': |
230 | case 'E': | |
c82f047c | 231 | case 'X': |
5a53aeec JS |
232 | case 'Q': |
233 | newmode = MISC; | |
234 | break; | |
235 | ||
e0d19036 NB |
236 | case 'R': |
237 | case 'S': | |
238 | case 'o': | |
239 | case 'w': | |
b90c0e9a | 240 | case 'W': |
1c7a808c | 241 | case WaitOpt: |
1770662b | 242 | case Waitclean: |
4cce4069 | 243 | case DetailPlatform: |
33414a01 | 244 | case KillSubarray: |
aa534678 | 245 | case UpdateSubarray: |
20b60dcd | 246 | case UdevRules: |
f7d3febc | 247 | case KillOpt: |
5a53aeec JS |
248 | if (!mode) |
249 | newmode = MISC; | |
250 | break; | |
251 | ||
252 | case NoSharing: | |
253 | newmode = MONITOR; | |
254 | break; | |
e0d19036 NB |
255 | } |
256 | if (mode && newmode == mode) { | |
257 | /* everybody happy ! */ | |
258 | } else if (mode && newmode != mode) { | |
259 | /* not allowed.. */ | |
e7b84f9d | 260 | pr_err(""); |
e0d19036 NB |
261 | if (option_index >= 0) |
262 | fprintf(stderr, "--%s", long_options[option_index].name); | |
263 | else | |
264 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 265 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
266 | map_num(modes, newmode), |
267 | map_num(modes, mode)); | |
268 | exit(2); | |
269 | } else if (!mode && newmode) { | |
270 | mode = newmode; | |
dec18cae | 271 | if (mode == MISC && devs_found) { |
e7b84f9d | 272 | pr_err("No action given for %s in --misc mode\n", |
dec18cae N |
273 | devlist->devname); |
274 | fprintf(stderr," Action options must come before device names\n"); | |
275 | exit(2); | |
276 | } | |
e0d19036 NB |
277 | } else { |
278 | /* special case of -c --help */ | |
1c7a808c | 279 | if ((opt == 'c' || opt == ConfigFile) && |
e0d19036 NB |
280 | ( strncmp(optarg, "--h", 3)==0 || |
281 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 282 | fputs(Help_config, stdout); |
e0d19036 | 283 | exit(0); |
cd29a5c8 | 284 | } |
0320ea45 NB |
285 | |
286 | /* If first option is a device, don't force the mode yet */ | |
287 | if (opt == 1) { | |
288 | if (devs_found == 0) { | |
503975b9 | 289 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
290 | dv->devname = optarg; |
291 | dv->disposition = devmode; | |
dfd4d8ee | 292 | dv->writemostly = writemostly; |
da6b5ca9 | 293 | dv->used = 0; |
0320ea45 NB |
294 | dv->next = NULL; |
295 | *devlistend = dv; | |
296 | devlistend = &dv->next; | |
aba69144 | 297 | |
0320ea45 NB |
298 | devs_found++; |
299 | continue; | |
300 | } | |
301 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 302 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 303 | " (%s) is listed\n", optarg); |
0320ea45 NB |
304 | exit(2); |
305 | } | |
e0d19036 | 306 | if (option_index >= 0) |
e7b84f9d | 307 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 308 | else |
e7b84f9d | 309 | pr_err("-%c", opt); |
0320ea45 | 310 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
311 | exit(2); |
312 | } | |
313 | ||
314 | /* if we just set the mode, then done */ | |
315 | switch(opt) { | |
1c7a808c N |
316 | case ManageOpt: |
317 | case MiscOpt: | |
e0d19036 NB |
318 | case 'A': |
319 | case 'B': | |
320 | case 'C': | |
321 | case 'F': | |
dd0781e5 | 322 | case 'G': |
8382f19b | 323 | case 'I': |
1f48664b | 324 | case AutoDetect: |
e0d19036 NB |
325 | continue; |
326 | } | |
327 | if (opt == 1) { | |
9eafa1de | 328 | /* an undecorated option - must be a device name. |
e0d19036 | 329 | */ |
9eafa1de MN |
330 | |
331 | if (devs_found > 0 && devmode == DetailPlatform) { | |
332 | pr_err("controller may only be specified once. %s ignored\n", | |
333 | optarg); | |
334 | continue; | |
335 | } | |
336 | ||
1c7a808c | 337 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
e7b84f9d | 338 | pr_err("Must give one of -a/-r/-f" |
1c7a808c | 339 | " for subsequent devices at %s\n", optarg); |
52826846 NB |
340 | exit(2); |
341 | } | |
1c7a808c | 342 | if (devs_found > 0 && mode == GROW && !devmode) { |
e7b84f9d N |
343 | pr_err("Must give -a/--add for" |
344 | " devices to add: %s\n", optarg); | |
e5329c37 NB |
345 | exit(2); |
346 | } | |
503975b9 | 347 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
348 | dv->devname = optarg; |
349 | dv->disposition = devmode; | |
dfd4d8ee | 350 | dv->writemostly = writemostly; |
9008ed1c | 351 | dv->used = 0; |
cd29a5c8 NB |
352 | dv->next = NULL; |
353 | *devlistend = dv; | |
354 | devlistend = &dv->next; | |
aba69144 | 355 | |
52826846 NB |
356 | devs_found++; |
357 | continue; | |
682c7051 | 358 | } |
682c7051 | 359 | |
52826846 NB |
360 | /* We've got a mode, and opt is now something else which |
361 | * could depend on the mode */ | |
1c7a808c | 362 | #define O(a,b) ((a<<16)|b) |
52826846 | 363 | switch (O(mode,opt)) { |
7236ee7a | 364 | case O(GROW,'c'): |
1c7a808c | 365 | case O(GROW,ChunkSize): |
e0d19036 | 366 | case O(CREATE,'c'): |
1c7a808c | 367 | case O(CREATE,ChunkSize): |
e0d19036 | 368 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 369 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 370 | if (s.chunk) { |
e7b84f9d | 371 | pr_err("chunk/rounding may only be specified once. " |
52826846 NB |
372 | "Second value is %s.\n", optarg); |
373 | exit(2); | |
374 | } | |
e705e81b | 375 | s.chunk = parse_size(optarg); |
822e393a N |
376 | if (s.chunk == INVALID_SECTORS || |
377 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 378 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
379 | optarg); |
380 | exit(2); | |
381 | } | |
a252c078 | 382 | /* Convert sectors to K */ |
e705e81b | 383 | s.chunk /= 2; |
52826846 | 384 | continue; |
64c4757e | 385 | |
8382f19b | 386 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
387 | case O(CREATE,'e'): |
388 | case O(ASSEMBLE,'e'): | |
389 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
390 | if (ss) { | |
e7b84f9d | 391 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
392 | exit(2); |
393 | } | |
aba69144 | 394 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
395 | ss = superlist[i]->match_metadata_desc(optarg); |
396 | ||
f9ce90ba | 397 | if (!ss) { |
e7b84f9d | 398 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
399 | exit(2); |
400 | } | |
401 | continue; | |
402 | ||
dfd4d8ee | 403 | case O(MANAGE,'W'): |
1c7a808c | 404 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 405 | case O(BUILD,'W'): |
1c7a808c | 406 | case O(BUILD,WriteMostly): |
dfd4d8ee | 407 | case O(CREATE,'W'): |
1c7a808c | 408 | case O(CREATE,WriteMostly): |
dfd4d8ee NB |
409 | /* set write-mostly for following devices */ |
410 | writemostly = 1; | |
411 | continue; | |
412 | ||
b3d31955 N |
413 | case O(MANAGE,'w'): |
414 | /* clear write-mostly for following devices */ | |
415 | writemostly = 2; | |
416 | continue; | |
417 | ||
418 | ||
dd0781e5 | 419 | case O(GROW,'z'): |
25affb56 PC |
420 | case O(CREATE,'z'): |
421 | case O(BUILD,'z'): /* size */ | |
e705e81b | 422 | if (s.size > 0) { |
e7b84f9d | 423 | pr_err("size may only be specified once. " |
52826846 NB |
424 | "Second value is %s.\n", optarg); |
425 | exit(2); | |
426 | } | |
dd0781e5 | 427 | if (strcmp(optarg, "max")==0) |
e705e81b | 428 | s.size = MAX_SIZE; |
dd0781e5 | 429 | else { |
e705e81b | 430 | s.size = parse_size(optarg); |
822e393a N |
431 | if (s.size == INVALID_SECTORS || |
432 | s.size < 8) { | |
e7b84f9d | 433 | pr_err("invalid size: %s\n", |
dd0781e5 NB |
434 | optarg); |
435 | exit(2); | |
436 | } | |
5f4fc0e1 | 437 | /* convert sectors to K */ |
e705e81b | 438 | s.size /= 2; |
52826846 NB |
439 | } |
440 | continue; | |
64c4757e | 441 | |
84e11361 | 442 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 443 | if (array_size > 0) { |
e7b84f9d | 444 | pr_err("array-size may only be specified once. " |
84e11361 N |
445 | "Second value is %s.\n", optarg); |
446 | exit(2); | |
447 | } | |
448 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 449 | array_size = MAX_SIZE; |
84e11361 N |
450 | else { |
451 | array_size = parse_size(optarg); | |
822e393a N |
452 | if (array_size == 0 || |
453 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 454 | pr_err("invalid array size: %s\n", |
84e11361 N |
455 | optarg); |
456 | exit(2); | |
457 | } | |
458 | } | |
459 | continue; | |
460 | ||
40c9a66a N |
461 | case O(CREATE,DataOffset): |
462 | case O(GROW,DataOffset): | |
463 | if (data_offset != INVALID_SECTORS) { | |
464 | fprintf(stderr, Name ": data-offset may only be specified one. " | |
465 | "Second value is %s.\n", optarg); | |
466 | exit(2); | |
467 | } | |
468 | data_offset = parse_size(optarg); | |
469 | if (data_offset == INVALID_SECTORS) { | |
470 | fprintf(stderr, Name ": invalid data-offset: %s\n", | |
471 | optarg); | |
472 | exit(2); | |
473 | } | |
474 | continue; | |
475 | ||
7236ee7a | 476 | case O(GROW,'l'): |
e0d19036 NB |
477 | case O(CREATE,'l'): |
478 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 479 | if (s.level != UnSet) { |
e7b84f9d | 480 | pr_err("raid level may only be set once. " |
52826846 NB |
481 | "Second value is %s.\n", optarg); |
482 | exit(2); | |
483 | } | |
e705e81b N |
484 | s.level = map_name(pers, optarg); |
485 | if (s.level == UnSet) { | |
e7b84f9d | 486 | pr_err("invalid raid level: %s\n", |
52826846 NB |
487 | optarg); |
488 | exit(2); | |
489 | } | |
e705e81b N |
490 | if (s.level != 0 && s.level != LEVEL_LINEAR && s.level != 1 && |
491 | s.level != LEVEL_MULTIPATH && s.level != LEVEL_FAULTY && | |
492 | s.level != 10 && | |
e0fe762a | 493 | mode == BUILD) { |
e7b84f9d | 494 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
495 | optarg); |
496 | exit(2); | |
497 | } | |
e705e81b | 498 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 499 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
500 | optarg); |
501 | exit(2); | |
502 | } | |
e705e81b | 503 | ident.level = s.level; |
52826846 | 504 | continue; |
64c4757e | 505 | |
19678e53 | 506 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 507 | case O(GROW, Layout): |
e705e81b | 508 | if (s.layout_str) { |
e7b84f9d N |
509 | pr_err("layout may only be sent once. " |
510 | "Second value was %s\n", optarg); | |
19678e53 N |
511 | exit(2); |
512 | } | |
e705e81b | 513 | s.layout_str = optarg; |
19678e53 N |
514 | /* 'Grow' will parse the value */ |
515 | continue; | |
516 | ||
e0d19036 | 517 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 518 | case O(CREATE,Layout): |
b5e64645 | 519 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 520 | case O(BUILD,Layout): |
e705e81b | 521 | if (s.layout != UnSet) { |
e7b84f9d N |
522 | pr_err("layout may only be sent once. " |
523 | "Second value was %s\n", optarg); | |
52826846 NB |
524 | exit(2); |
525 | } | |
e705e81b | 526 | switch(s.level) { |
52826846 | 527 | default: |
e7b84f9d | 528 | pr_err("layout not meaningful for %s arrays.\n", |
e705e81b | 529 | map_num(pers, s.level)); |
52826846 | 530 | exit(2); |
98c6faba | 531 | case UnSet: |
e7b84f9d | 532 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
533 | exit(2); |
534 | ||
535 | case 5: | |
e705e81b N |
536 | s.layout = map_name(r5layout, optarg); |
537 | if (s.layout==UnSet) { | |
e7b84f9d | 538 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
539 | optarg); |
540 | exit(2); | |
541 | } | |
542 | break; | |
b640a252 | 543 | case 6: |
e705e81b N |
544 | s.layout = map_name(r6layout, optarg); |
545 | if (s.layout==UnSet) { | |
e7b84f9d | 546 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
547 | optarg); |
548 | exit(2); | |
549 | } | |
550 | break; | |
e5329c37 NB |
551 | |
552 | case 10: | |
e705e81b N |
553 | s.layout = parse_layout_10(optarg); |
554 | if (s.layout < 0) { | |
e7b84f9d | 555 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
556 | exit(2); |
557 | } | |
e5329c37 | 558 | break; |
19678e53 N |
559 | case LEVEL_FAULTY: |
560 | /* Faulty | |
561 | * modeNNN | |
562 | */ | |
e705e81b N |
563 | s.layout = parse_layout_faulty(optarg); |
564 | if (s.layout == -1) { | |
e7b84f9d | 565 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
566 | optarg); |
567 | exit(2); | |
568 | } | |
4a06e2c2 | 569 | break; |
52826846 NB |
570 | } |
571 | continue; | |
572 | ||
997aed5d NB |
573 | case O(CREATE,AssumeClean): |
574 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 575 | case O(GROW,AssumeClean): |
e705e81b | 576 | s.assume_clean = 1; |
dd0781e5 NB |
577 | continue; |
578 | ||
579 | case O(GROW,'n'): | |
e0d19036 NB |
580 | case O(CREATE,'n'): |
581 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 582 | if (s.raiddisks) { |
e7b84f9d | 583 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 584 | s.raiddisks, optarg); |
52826846 NB |
585 | exit(2); |
586 | } | |
e705e81b N |
587 | s.raiddisks = parse_num(optarg); |
588 | if (s.raiddisks <= 0) { | |
e7b84f9d | 589 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
590 | optarg); |
591 | exit(2); | |
592 | } | |
e705e81b | 593 | ident.raid_disks = s.raiddisks; |
52826846 NB |
594 | continue; |
595 | ||
18361a1a | 596 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 597 | if (s.sparedisks) { |
e7b84f9d | 598 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 599 | s.sparedisks, optarg); |
52826846 NB |
600 | exit(2); |
601 | } | |
e705e81b | 602 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 603 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 604 | s.level); |
52826846 NB |
605 | exit(2); |
606 | } | |
e705e81b N |
607 | s.sparedisks = parse_num(optarg); |
608 | if (s.sparedisks < 0) { | |
e7b84f9d | 609 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
610 | optarg); |
611 | exit(2); | |
612 | } | |
613 | continue; | |
dd0781e5 NB |
614 | |
615 | case O(CREATE,'a'): | |
1c7a808c | 616 | case O(CREATE,Auto): |
dd0781e5 | 617 | case O(BUILD,'a'): |
1c7a808c | 618 | case O(BUILD,Auto): |
95b79df0 | 619 | case O(INCREMENTAL,'a'): |
1c7a808c N |
620 | case O(INCREMENTAL,Auto): |
621 | case O(ASSEMBLE,'a'): | |
622 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 623 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
624 | continue; |
625 | ||
38098016 NB |
626 | case O(CREATE,Symlinks): |
627 | case O(BUILD,Symlinks): | |
628 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
629 | symlinks = optarg; | |
630 | continue; | |
631 | ||
aa88f531 | 632 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 633 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 634 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 635 | case O(GROW,Force): /* ditto */ |
e0d19036 | 636 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 637 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 638 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 639 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 640 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 641 | case O(MISC,Force): /* force zero */ |
11b391ec | 642 | case O(MANAGE,Force): /* add device which is too large */ |
9e33d556 | 643 | c.force=1; |
52826846 | 644 | continue; |
52826846 | 645 | /* now for the Assemble options */ |
b76b30e0 AK |
646 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
647 | * initrd phase */ | |
648 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 649 | c.freeze_reshape = 1; |
b76b30e0 | 650 | continue; |
3d3dd91e | 651 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 652 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 653 | if (ident.uuid_set) { |
e7b84f9d | 654 | pr_err("uuid cannot be set twice. " |
52826846 NB |
655 | "Second value %s.\n", optarg); |
656 | exit(2); | |
657 | } | |
658 | if (parse_uuid(optarg, ident.uuid)) | |
659 | ident.uuid_set = 1; | |
660 | else { | |
e7b84f9d | 661 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
662 | exit(2); |
663 | } | |
664 | continue; | |
665 | ||
947fd4dd NB |
666 | case O(CREATE,'N'): |
667 | case O(ASSEMBLE,'N'): | |
aa534678 | 668 | case O(MISC,'N'): |
947fd4dd | 669 | if (ident.name[0]) { |
e7b84f9d | 670 | pr_err("name cannot be set twice. " |
947fd4dd NB |
671 | "Second value %s.\n", optarg); |
672 | exit(2); | |
673 | } | |
9e33d556 | 674 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 675 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
676 | exit(2); |
677 | } | |
947fd4dd | 678 | if (strlen(optarg) > 32) { |
e7b84f9d | 679 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
680 | optarg); |
681 | exit(2); | |
682 | } | |
683 | strcpy(ident.name, optarg); | |
684 | continue; | |
685 | ||
e0d19036 | 686 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 687 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 688 | if (ident.super_minor != UnSet) { |
e7b84f9d | 689 | pr_err("super-minor cannot be set twice. " |
cd29a5c8 NB |
690 | "Second value: %s.\n", optarg); |
691 | exit(2); | |
692 | } | |
d013a55e NB |
693 | if (strcmp(optarg, "dev")==0) |
694 | ident.super_minor = -2; | |
695 | else { | |
79868890 N |
696 | ident.super_minor = parse_num(optarg); |
697 | if (ident.super_minor < 0) { | |
e7b84f9d | 698 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
699 | exit(2); |
700 | } | |
cd29a5c8 NB |
701 | } |
702 | continue; | |
703 | ||
0ea8f5b1 N |
704 | case O(ASSEMBLE,'o'): |
705 | case O(MANAGE,'o'): | |
706 | case O(CREATE,'o'): | |
9e33d556 | 707 | c.readonly = 1; |
0ea8f5b1 N |
708 | continue; |
709 | ||
5787fa49 | 710 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 711 | case O(MISC,'U'): |
9e33d556 | 712 | if (c.update) { |
e7b84f9d | 713 | pr_err("Can only update one aspect" |
833bb0f8 | 714 | " of superblock, both %s and %s given.\n", |
9e33d556 | 715 | c.update, optarg); |
5787fa49 NB |
716 | exit(2); |
717 | } | |
9e33d556 | 718 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 719 | pr_err("Only subarrays can be" |
833bb0f8 | 720 | " updated in misc mode\n"); |
aa534678 DW |
721 | exit(2); |
722 | } | |
9e33d556 N |
723 | c.update = optarg; |
724 | if (strcmp(c.update, "sparc2.2")==0) | |
e5329c37 | 725 | continue; |
9e33d556 | 726 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 727 | continue; |
9e33d556 | 728 | if (strcmp(c.update, "summaries")==0) |
feb716e9 | 729 | continue; |
9e33d556 | 730 | if (strcmp(c.update, "resync")==0) |
e5329c37 | 731 | continue; |
9e33d556 | 732 | if (strcmp(c.update, "uuid")==0) |
7d99579f | 733 | continue; |
9e33d556 | 734 | if (strcmp(c.update, "name")==0) |
c4f12c13 | 735 | continue; |
9e33d556 | 736 | if (strcmp(c.update, "homehost")==0) |
0237e0ca | 737 | continue; |
9e33d556 | 738 | if (strcmp(c.update, "devicesize")==0) |
bee8ec56 | 739 | continue; |
9e33d556 | 740 | if (strcmp(c.update, "no-bitmap")==0) |
5a31170d | 741 | continue; |
688e99a7 N |
742 | if (strcmp(c.update, "bbl") == 0) |
743 | continue; | |
744 | if (strcmp(c.update, "no-bbl") == 0) | |
745 | continue; | |
9e33d556 | 746 | if (strcmp(c.update, "byteorder")==0) { |
586ed405 | 747 | if (ss) { |
e7b84f9d N |
748 | pr_err("must not set metadata" |
749 | " type with --update=byteorder.\n"); | |
586ed405 NB |
750 | exit(2); |
751 | } | |
aba69144 | 752 | for(i=0; !ss && superlist[i]; i++) |
833bb0f8 N |
753 | ss = superlist[i]->match_metadata_desc( |
754 | "0.swap"); | |
586ed405 | 755 | if (!ss) { |
e7b84f9d | 756 | pr_err("INTERNAL ERROR" |
833bb0f8 | 757 | " cannot find 0.swap\n"); |
586ed405 NB |
758 | exit(2); |
759 | } | |
760 | ||
761 | continue; | |
762 | } | |
9e33d556 N |
763 | if (strcmp(c.update,"?") == 0 || |
764 | strcmp(c.update, "help") == 0) { | |
0047d254 NB |
765 | outf = stdout; |
766 | fprintf(outf, Name ": "); | |
767 | } else { | |
768 | outf = stderr; | |
769 | fprintf(outf, | |
770 | Name ": '--update=%s' is invalid. ", | |
9e33d556 | 771 | c.update); |
0047d254 NB |
772 | } |
773 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 | 774 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
5a31170d N |
775 | " 'summaries', 'homehost', 'byteorder', 'devicesize',\n" |
776 | " 'no-bitmap'\n"); | |
0047d254 | 777 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 778 | |
833bb0f8 N |
779 | case O(MANAGE,'U'): |
780 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 781 | if (devmode != 'A') { |
e7b84f9d | 782 | pr_err("--update in Manage mode only" |
833bb0f8 N |
783 | " allowed with --re-add.\n"); |
784 | exit(1); | |
785 | } | |
9e33d556 | 786 | if (c.update) { |
e7b84f9d | 787 | pr_err("Can only update one aspect" |
833bb0f8 | 788 | " of superblock, both %s and %s given.\n", |
9e33d556 | 789 | c.update, optarg); |
833bb0f8 N |
790 | exit(2); |
791 | } | |
9e33d556 | 792 | c.update = optarg; |
688e99a7 N |
793 | if (strcmp(c.update, "devicesize") != 0 && |
794 | strcmp(c.update, "bbl") != 0 && | |
795 | strcmp(c.update, "no-bbl") != 0) { | |
796 | pr_err("only 'devicesize', 'bbl' and 'no-bbl' can be" | |
833bb0f8 N |
797 | " updated with --re-add\n"); |
798 | exit(2); | |
799 | } | |
800 | continue; | |
801 | ||
172356c9 | 802 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 803 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 804 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
805 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
806 | * so we overload slightly */ | |
b8a8ccf9 NB |
807 | continue; |
808 | ||
1c7a808c N |
809 | case O(ASSEMBLE,'c'): |
810 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 811 | case O(INCREMENTAL, 'c'): |
1c7a808c | 812 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 813 | case O(MISC, 'c'): |
1c7a808c | 814 | case O(MISC, ConfigFile): |
e0d19036 | 815 | case O(MONITOR,'c'): |
1c7a808c | 816 | case O(MONITOR,ConfigFile): |
52826846 | 817 | if (configfile) { |
e7b84f9d | 818 | pr_err("configfile cannot be set twice. " |
52826846 NB |
819 | "Second value is %s.\n", optarg); |
820 | exit(2); | |
821 | } | |
822 | configfile = optarg; | |
8aec876d | 823 | set_conffile(configfile); |
52826846 NB |
824 | /* FIXME possibly check that config file exists. Even parse it */ |
825 | continue; | |
e0d19036 NB |
826 | case O(ASSEMBLE,'s'): /* scan */ |
827 | case O(MISC,'s'): | |
828 | case O(MONITOR,'s'): | |
8382f19b | 829 | case O(INCREMENTAL,'s'): |
9e33d556 | 830 | c.scan = 1; |
52826846 NB |
831 | continue; |
832 | ||
e0d19036 | 833 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 834 | case O(MONITOR,EMail): |
52826846 | 835 | if (mailaddr) |
e7b84f9d | 836 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
837 | optarg); |
838 | else | |
839 | mailaddr = optarg; | |
840 | continue; | |
841 | ||
e0d19036 | 842 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 843 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 844 | if (program) |
e7b84f9d | 845 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
846 | optarg); |
847 | else | |
848 | program = optarg; | |
849 | continue; | |
64c4757e | 850 | |
9a36a9b7 | 851 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 852 | case O(MONITOR,Increment): |
9a36a9b7 | 853 | increments = atoi(optarg); |
18361a1a | 854 | if (increments > 99 || increments < 1) { |
e7b84f9d | 855 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
856 | exit(2); |
857 | } | |
858 | continue; | |
859 | ||
e0d19036 | 860 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 861 | case O(GROW, 'd'): |
c82f047c NB |
862 | case O(BUILD,'d'): /* delay for bitmap updates */ |
863 | case O(CREATE,'d'): | |
9e33d556 | 864 | if (c.delay) |
e7b84f9d | 865 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
866 | optarg); |
867 | else { | |
9e33d556 N |
868 | c.delay = parse_num(optarg); |
869 | if (c.delay < 1) { | |
e7b84f9d | 870 | pr_err("invalid delay: %s\n", |
52826846 NB |
871 | optarg); |
872 | exit(2); | |
873 | } | |
874 | } | |
875 | continue; | |
d013a55e | 876 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 877 | case O(MONITOR,Fork): |
d013a55e NB |
878 | daemonise = 1; |
879 | continue; | |
b5e64645 NB |
880 | case O(MONITOR,'i'): /* pid */ |
881 | if (pidfile) | |
e7b84f9d | 882 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
883 | optarg); |
884 | else | |
885 | pidfile = optarg; | |
886 | continue; | |
aa88f531 NB |
887 | case O(MONITOR,'1'): /* oneshot */ |
888 | oneshot = 1; | |
3f555346 | 889 | spare_sharing = 0; |
aa88f531 | 890 | continue; |
98c6faba | 891 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 892 | c.test = 1; |
98c6faba | 893 | continue; |
773135f5 | 894 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 895 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
896 | dosyslog = 1; |
897 | continue; | |
edde9560 AC |
898 | case O(MONITOR, NoSharing): |
899 | spare_sharing = 0; | |
900 | continue; | |
18361a1a | 901 | |
52826846 NB |
902 | /* now the general management options. Some are applicable |
903 | * to other modes. None have arguments. | |
904 | */ | |
e5329c37 | 905 | case O(GROW,'a'): |
1c7a808c N |
906 | case O(GROW,Add): |
907 | case O(MANAGE,'a'): | |
908 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 909 | devmode = 'a'; |
fe80f49b | 910 | continue; |
997aed5d | 911 | case O(MANAGE,ReAdd): |
c8e1a230 | 912 | devmode = 'A'; |
52826846 | 913 | continue; |
e0d19036 | 914 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 915 | case O(MANAGE,Remove): |
52826846 NB |
916 | devmode = 'r'; |
917 | continue; | |
e0d19036 | 918 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
919 | case O(MANAGE,Fail): |
920 | case O(INCREMENTAL,'f'): | |
921 | case O(INCREMENTAL,Remove): | |
922 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
923 | * even though we will both fail and |
924 | * remove the device */ | |
52826846 NB |
925 | devmode = 'f'; |
926 | continue; | |
8382f19b | 927 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
928 | case O(MANAGE,'R'): |
929 | case O(ASSEMBLE,'R'): | |
930 | case O(BUILD,'R'): | |
931 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 932 | if (c.runstop < 0) { |
e7b84f9d | 933 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
934 | exit(2); |
935 | } | |
9e33d556 | 936 | c.runstop = 1; |
52826846 | 937 | continue; |
e0d19036 | 938 | case O(MANAGE,'S'): |
9e33d556 | 939 | if (c.runstop > 0) { |
e7b84f9d | 940 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
941 | exit(2); |
942 | } | |
9e33d556 | 943 | c.runstop = -1; |
52826846 | 944 | continue; |
7d2e6486 | 945 | case O(MANAGE,'t'): |
9e33d556 | 946 | c.test = 1; |
7d2e6486 | 947 | continue; |
52826846 | 948 | |
e0d19036 NB |
949 | case O(MISC,'Q'): |
950 | case O(MISC,'D'): | |
951 | case O(MISC,'E'): | |
f7d3febc | 952 | case O(MISC,KillOpt): |
e0d19036 NB |
953 | case O(MISC,'R'): |
954 | case O(MISC,'S'): | |
c82f047c | 955 | case O(MISC,'X'): |
e0d19036 NB |
956 | case O(MISC,'o'): |
957 | case O(MISC,'w'): | |
b90c0e9a | 958 | case O(MISC,'W'): |
1c7a808c | 959 | case O(MISC, WaitOpt): |
1770662b | 960 | case O(MISC, Waitclean): |
4cce4069 | 961 | case O(MISC, DetailPlatform): |
33414a01 | 962 | case O(MISC, KillSubarray): |
aa534678 | 963 | case O(MISC, UpdateSubarray): |
5a53aeec | 964 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 965 | if (c.subarray) { |
e7b84f9d | 966 | pr_err("subarray can only" |
5a53aeec JS |
967 | " be specified once\n"); |
968 | exit(2); | |
969 | } | |
9e33d556 | 970 | c.subarray = optarg; |
5a53aeec | 971 | } |
e0d19036 NB |
972 | if (devmode && devmode != opt && |
973 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 974 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
975 | if (devmode == 'E') { |
976 | if (option_index >= 0) | |
977 | fprintf(stderr, "--%s\n", | |
978 | long_options[option_index].name); | |
979 | else | |
980 | fprintf(stderr, "-%c\n", opt); | |
981 | } else if (isalpha(devmode)) | |
982 | fprintf(stderr, "-%c\n", devmode); | |
983 | else | |
984 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
985 | exit(2); |
986 | } | |
987 | devmode = opt; | |
988 | continue; | |
7d27d1c0 N |
989 | case O(MISC, UdevRules): |
990 | if (devmode && devmode != opt) { | |
e7b84f9d N |
991 | pr_err("--udev-rules must" |
992 | " be the only option.\n"); | |
7d27d1c0 N |
993 | } else { |
994 | if (udev_filename) | |
e7b84f9d | 995 | pr_err("only specify one udev " |
7d27d1c0 N |
996 | "rule filename. %s ignored.\n", |
997 | optarg); | |
998 | else | |
999 | udev_filename = optarg; | |
1000 | } | |
1001 | devmode = opt; | |
1002 | continue; | |
feb716e9 | 1003 | case O(MISC,'t'): |
9e33d556 | 1004 | c.test = 1; |
feb716e9 | 1005 | continue; |
e0d19036 | 1006 | |
997aed5d | 1007 | case O(MISC, Sparc22): |
bd526cee | 1008 | if (devmode != 'E') { |
e7b84f9d | 1009 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1010 | exit(2); |
1011 | } | |
9e33d556 | 1012 | c.SparcAdjust = 1; |
bd526cee | 1013 | continue; |
c82f047c NB |
1014 | |
1015 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1016 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1017 | if (!optarg) { |
e7b84f9d | 1018 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1019 | exit(2); |
1020 | } | |
55935d51 | 1021 | if (strcmp(optarg, "internal")==0) { |
e7b84f9d | 1022 | pr_err("there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); |
55935d51 NB |
1023 | continue; |
1024 | } | |
c82f047c NB |
1025 | bitmap_fd = open(optarg, O_RDWR); |
1026 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1027 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1028 | exit(2); |
1029 | } | |
1030 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1031 | continue; | |
f5e166fe | 1032 | |
997aed5d NB |
1033 | case O(ASSEMBLE, BackupFile): |
1034 | case O(GROW, BackupFile): | |
06b0d786 NB |
1035 | /* Specify a file into which grow might place a backup, |
1036 | * or from which assemble might recover a backup | |
1037 | */ | |
9e33d556 | 1038 | if (c.backup_file) { |
e7b84f9d | 1039 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1040 | exit(2); |
1041 | } | |
9e33d556 | 1042 | c.backup_file = optarg; |
06b0d786 NB |
1043 | continue; |
1044 | ||
2dddadb0 AK |
1045 | case O(GROW, Continue): |
1046 | /* Continue interrupted grow | |
1047 | */ | |
1048 | grow_continue = 1; | |
1049 | continue; | |
87f26d14 N |
1050 | case O(ASSEMBLE, InvalidBackup): |
1051 | /* Acknowledge that the backupfile is invalid, but ask | |
1052 | * to continue anyway | |
1053 | */ | |
9e33d556 | 1054 | c.invalid_backup = 1; |
87f26d14 N |
1055 | continue; |
1056 | ||
c82f047c | 1057 | case O(BUILD,'b'): |
1c7a808c N |
1058 | case O(BUILD,Bitmap): |
1059 | case O(CREATE,'b'): | |
1060 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1061 | if (strcmp(optarg, "none") == 0) { |
e7b84f9d | 1062 | pr_err("'--bitmap none' only" |
18361a1a | 1063 | " supported for --grow\n"); |
85375d6d NB |
1064 | exit(2); |
1065 | } | |
1066 | /* FALL THROUGH */ | |
1067 | case O(GROW,'b'): | |
1c7a808c | 1068 | case O(GROW,Bitmap): |
1e0d770c NB |
1069 | if (strcmp(optarg, "internal")== 0 || |
1070 | strcmp(optarg, "none")== 0 || | |
1071 | strchr(optarg, '/') != NULL) { | |
e705e81b | 1072 | s.bitmap_file = optarg; |
1e0d770c NB |
1073 | continue; |
1074 | } | |
1075 | /* probable typo */ | |
e7b84f9d | 1076 | pr_err("bitmap file must contain a '/', or be 'internal', or 'none'\n" |
a1331cc4 | 1077 | " not '%s'\n", optarg); |
1e0d770c | 1078 | exit(2); |
c82f047c | 1079 | |
997aed5d NB |
1080 | case O(GROW,BitmapChunk): |
1081 | case O(BUILD,BitmapChunk): | |
1082 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1083 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1084 | if (s.bitmap_chunk == 0 || |
1085 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1086 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1087 | pr_err("invalid bitmap chunksize: %s\n", |
1088 | optarg); | |
c82f047c NB |
1089 | exit(2); |
1090 | } | |
e705e81b | 1091 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1092 | continue; |
dfd4d8ee | 1093 | |
7d19ad0d | 1094 | case O(GROW, WriteBehind): |
997aed5d NB |
1095 | case O(BUILD, WriteBehind): |
1096 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
e705e81b | 1097 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
dfd4d8ee | 1098 | if (optarg) { |
e705e81b N |
1099 | s.write_behind = parse_num(optarg); |
1100 | if (s.write_behind < 0 || | |
1101 | s.write_behind > 16383) { | |
e7b84f9d | 1102 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1103 | exit(2); |
1104 | } | |
1105 | } | |
1106 | continue; | |
8382f19b NB |
1107 | |
1108 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1109 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1110 | rebuild_map = 1; |
1111 | continue; | |
950bc344 PC |
1112 | case O(INCREMENTAL, IncrementalPath): |
1113 | remove_path = optarg; | |
1114 | continue; | |
52826846 NB |
1115 | } |
1116 | /* We have now processed all the valid options. Anything else is | |
1117 | * an error | |
1118 | */ | |
06b0d786 | 1119 | if (option_index > 0) |
e7b84f9d | 1120 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 NB |
1121 | long_options[option_index].name, |
1122 | map_num(modes, mode)); | |
1123 | else | |
e7b84f9d | 1124 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1125 | opt, map_num(modes, mode)); |
64c4757e | 1126 | exit(2); |
52826846 NB |
1127 | |
1128 | } | |
1129 | ||
3d4064cc | 1130 | if (print_help) { |
5187a385 | 1131 | char *help_text; |
3d4064cc NB |
1132 | if (print_help == 2) |
1133 | help_text = OptionHelp; | |
1134 | else | |
5187a385 N |
1135 | help_text = mode_help[mode]; |
1136 | if (help_text == NULL) | |
1137 | help_text = Help; | |
0047d254 | 1138 | fputs(help_text,stdout); |
3d4064cc NB |
1139 | exit(0); |
1140 | } | |
1141 | ||
0320ea45 NB |
1142 | if (!mode && devs_found) { |
1143 | mode = MISC; | |
1144 | devmode = 'Q'; | |
1145 | if (devlist->disposition == 0) | |
1146 | devlist->disposition = devmode; | |
1147 | } | |
52826846 NB |
1148 | if (!mode) { |
1149 | fputs(Usage, stderr); | |
64c4757e | 1150 | exit(2); |
64c4757e | 1151 | } |
38098016 NB |
1152 | |
1153 | if (symlinks) { | |
1154 | struct createinfo *ci = conf_get_create_info(); | |
1155 | ||
1156 | if (strcasecmp(symlinks, "yes") == 0) | |
1157 | ci->symlinks = 1; | |
1158 | else if (strcasecmp(symlinks, "no") == 0) | |
1159 | ci->symlinks = 0; | |
1160 | else { | |
e7b84f9d | 1161 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1162 | exit(2); |
1163 | } | |
1164 | } | |
52826846 NB |
1165 | /* Ok, got the option parsing out of the way |
1166 | * hopefully it's mostly right but there might be some stuff | |
1167 | * missing | |
1168 | * | |
e0d19036 | 1169 | * That is mosty checked in the per-mode stuff but... |
52826846 | 1170 | * |
18361a1a N |
1171 | * For @,B,C and A without -s, the first device listed must be |
1172 | * an md device. We check that here and open it. | |
64c4757e | 1173 | */ |
52826846 | 1174 | |
18361a1a N |
1175 | if (mode == MANAGE || mode == BUILD || mode == CREATE |
1176 | || mode == GROW | |
9e33d556 | 1177 | || (mode == ASSEMBLE && ! c.scan)) { |
52826846 | 1178 | if (devs_found < 1) { |
e7b84f9d | 1179 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1180 | exit(2); |
1181 | } | |
9e33d556 | 1182 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1183 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1184 | exit(2); |
1185 | } | |
7f91af49 | 1186 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1187 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1188 | if (mdfd < 0) |
1189 | exit(1); | |
1190 | } else | |
1191 | /* non-existent device is OK */ | |
1192 | mdfd = open_mddev(devlist->devname, 0); | |
1193 | if (mdfd == -2) { | |
e7b84f9d | 1194 | pr_err("device %s exists but is not an " |
7f91af49 | 1195 | "md array.\n", devlist->devname); |
52826846 | 1196 | exit(1); |
7f91af49 | 1197 | } |
98c6faba | 1198 | if ((int)ident.super_minor == -2) { |
d013a55e | 1199 | struct stat stb; |
7f91af49 | 1200 | if (mdfd < 0) { |
e7b84f9d | 1201 | pr_err("--super-minor=dev given, and " |
7f91af49 N |
1202 | "listed device %s doesn't exist.\n", |
1203 | devlist->devname); | |
1204 | exit(1); | |
1205 | } | |
d013a55e | 1206 | fstat(mdfd, &stb); |
0df46c2a | 1207 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1208 | } |
7f91af49 N |
1209 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1210 | /* We don't really want this open yet, we just might | |
1211 | * have wanted to check some things | |
1212 | */ | |
1213 | close(mdfd); | |
1214 | mdfd = -1; | |
1215 | } | |
64c4757e | 1216 | } |
52826846 | 1217 | |
e705e81b N |
1218 | if (s.raiddisks) { |
1219 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1220 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1221 | " a mistake. If you really mean it you will need to specify --force before\n" |
1222 | " setting the number of drives.\n"); | |
1223 | exit(2); | |
1224 | } | |
1225 | } | |
c82f047c | 1226 | |
9e33d556 N |
1227 | if (c.homehost == NULL) |
1228 | c.homehost = conf_get_homehost(&c.require_homehost); | |
1229 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>")==0) { | |
05697ec1 NB |
1230 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1231 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1232 | c.homehost = sys_hostname; |
05697ec1 NB |
1233 | } |
1234 | } | |
9e33d556 N |
1235 | if (c.homehost && (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { |
1236 | c.homehost = NULL; | |
1237 | c.require_homehost = 0; | |
0f23aa88 | 1238 | } |
997aed5d | 1239 | |
18361a1a N |
1240 | if ((mode == MISC && devmode == 'E') |
1241 | || (mode == MONITOR && spare_sharing == 0)) | |
1242 | /* Anyone may try this */; | |
1243 | else if (geteuid() != 0) { | |
e7b84f9d | 1244 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1245 | exit(1); |
1246 | } | |
1247 | ||
9e33d556 | 1248 | ident.autof = c.autof; |
7f91af49 | 1249 | |
265460ab N |
1250 | if (c.scan && c.verbose < 2) |
1251 | /* --scan implied --brief unless -vv */ | |
1252 | c.brief = 1; | |
1253 | ||
52826846 NB |
1254 | rv = 0; |
1255 | switch(mode) { | |
e0d19036 | 1256 | case MANAGE: |
52826846 | 1257 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1258 | if (c.readonly > 0) |
1259 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1260 | if (!rv && devs_found>1) |
cd29a5c8 | 1261 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1262 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1263 | c.update, c.force); |
1264 | if (!rv && c.readonly < 0) | |
1265 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
1266 | if (!rv && c.runstop) | |
0937132d | 1267 | rv = Manage_runstop(devlist->devname, mdfd, c.runstop, c.verbose, 0); |
52826846 | 1268 | break; |
e0d19036 | 1269 | case ASSEMBLE: |
d013a55e | 1270 | if (devs_found == 1 && ident.uuid_set == 0 && |
9e33d556 | 1271 | ident.super_minor == UnSet && ident.name[0] == 0 && !c.scan ) { |
d013a55e | 1272 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1273 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1274 | if (array_ident == NULL) { |
e7b84f9d | 1275 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1276 | devlist->devname); |
d013a55e | 1277 | rv |= 1; |
7f91af49 N |
1278 | if (mdfd >= 0) |
1279 | close(mdfd); | |
b5e64645 | 1280 | } else { |
7f91af49 | 1281 | if (array_ident->autof == 0) |
9e33d556 | 1282 | array_ident->autof = c.autof; |
7f91af49 | 1283 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1284 | NULL, &c); |
d013a55e | 1285 | } |
9e33d556 | 1286 | } else if (!c.scan) |
7f91af49 | 1287 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1288 | devlist->next, &c); |
18361a1a | 1289 | else if (devs_found > 0) { |
9e33d556 | 1290 | if (c.update && devs_found > 1) { |
e7b84f9d | 1291 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1292 | exit(1); |
1293 | } | |
9e33d556 | 1294 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1295 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1296 | exit(1); |
1297 | } | |
cd29a5c8 | 1298 | for (dv = devlist ; dv ; dv=dv->next) { |
fa56eddb | 1299 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1300 | if (array_ident == NULL) { |
e7b84f9d | 1301 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1302 | dv->devname); |
52826846 NB |
1303 | rv |= 1; |
1304 | continue; | |
1305 | } | |
7f91af49 | 1306 | if (array_ident->autof == 0) |
9e33d556 | 1307 | array_ident->autof = c.autof; |
7f91af49 | 1308 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1309 | NULL, &c); |
52826846 | 1310 | } |
5787fa49 | 1311 | } else { |
9e33d556 | 1312 | if (c.update) { |
e7b84f9d | 1313 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1314 | exit(1); |
1315 | } | |
9e33d556 | 1316 | if (c.backup_file) { |
e7b84f9d | 1317 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1318 | exit(1); |
1319 | } | |
4977146a | 1320 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1321 | } |
3cbc4d12 | 1322 | |
52826846 | 1323 | break; |
e0d19036 | 1324 | case BUILD: |
9e33d556 N |
1325 | if (c.delay == 0) |
1326 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1327 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1328 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1329 | rv = 1; |
1330 | break; | |
1331 | } | |
e705e81b | 1332 | if (s.raiddisks == 0) { |
e7b84f9d | 1333 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1334 | rv = 1; |
1335 | break; | |
1336 | } | |
dfd4d8ee | 1337 | |
e705e81b N |
1338 | if (s.bitmap_file) { |
1339 | if (strcmp(s.bitmap_file, "internal")==0) { | |
e7b84f9d | 1340 | pr_err("'internal' bitmaps not supported with --build\n"); |
55935d51 NB |
1341 | rv |= 1; |
1342 | break; | |
1343 | } | |
c82f047c | 1344 | } |
a4e8316a | 1345 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1346 | break; |
e0d19036 | 1347 | case CREATE: |
9e33d556 N |
1348 | if (c.delay == 0) |
1349 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1350 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1351 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1352 | rv = 1; |
1353 | break; | |
1354 | } | |
e705e81b | 1355 | if (s.raiddisks == 0) { |
e7b84f9d | 1356 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1357 | rv = 1; |
1358 | break; | |
1359 | } | |
f9ce90ba | 1360 | |
99cc42f4 N |
1361 | rv = Create(ss, devlist->devname, |
1362 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
171dccc8 | 1363 | devs_found-1, devlist->next, |
40c9a66a | 1364 | &s, &c, data_offset); |
52826846 | 1365 | break; |
e0d19036 | 1366 | case MISC: |
e0d19036 | 1367 | if (devmode == 'E') { |
9e33d556 | 1368 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1369 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1370 | exit(2); |
1371 | } | |
1372 | if (devlist == NULL) | |
8aec876d | 1373 | devlist = conf_get_devs(); |
e0d19036 | 1374 | if (devlist == NULL) { |
e7b84f9d | 1375 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1376 | exit(1); |
1377 | } | |
eec3f887 | 1378 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1379 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1380 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1381 | c.verbose, c.export, | |
1382 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1383 | } else if (devlist == NULL) { |
9e33d556 | 1384 | if (devmode == 'S' && c.scan) |
0937132d | 1385 | rv = stop_scan(c.verbose); |
9e33d556 | 1386 | else if ((devmode == 'D' || devmode == Waitclean) && c.scan) |
ef898ce6 | 1387 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1388 | else if (devmode == UdevRules) |
1389 | rv = Write_rules(udev_filename); | |
1390 | else { | |
e7b84f9d | 1391 | pr_err("No devices given.\n"); |
7d27d1c0 | 1392 | exit(2); |
e0d19036 | 1393 | } |
7d27d1c0 | 1394 | } else |
86da243f | 1395 | rv = misc_list(devlist, &ident, ss, &c); |
9a9dab36 | 1396 | break; |
e0d19036 | 1397 | case MONITOR: |
9e33d556 | 1398 | if (!devlist && !c.scan) { |
e7b84f9d | 1399 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1400 | rv = 1; |
1401 | break; | |
1402 | } | |
b5e64645 | 1403 | if (pidfile && !daemonise) { |
e7b84f9d | 1404 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1405 | rv = 1; |
1406 | break; | |
1407 | } | |
9e33d556 | 1408 | if (c.delay == 0) { |
3e82d76d | 1409 | if (get_linux_version() > 2006016) |
ddc7201f | 1410 | /* mdstat responds to poll */ |
9e33d556 | 1411 | c.delay = 1000; |
ddc7201f | 1412 | else |
9e33d556 | 1413 | c.delay = 60; |
ddc7201f | 1414 | } |
95c50205 N |
1415 | if (c.delay == 0) |
1416 | c.delay = 60; | |
d013a55e | 1417 | rv= Monitor(devlist, mailaddr, program, |
95c50205 N |
1418 | &c, daemonise, oneshot, |
1419 | dosyslog, pidfile, increments, | |
1420 | spare_sharing); | |
9a9dab36 | 1421 | break; |
dd0781e5 NB |
1422 | |
1423 | case GROW: | |
a93f8c65 | 1424 | if (array_size > 0) { |
84e11361 N |
1425 | /* alway impose array size first, independent of |
1426 | * anything else | |
9ce510be N |
1427 | * Do not allow level or raid_disks changes at the |
1428 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1429 | */ |
1430 | struct mdinfo sra; | |
1431 | int err; | |
e705e81b | 1432 | if (s.raiddisks || s.level != UnSet) { |
e7b84f9d | 1433 | pr_err("cannot change array size in same operation " |
9ce510be N |
1434 | "as changing raiddisks or level.\n" |
1435 | " Change size first, then check that data is still intact.\n"); | |
1436 | rv = 1; | |
1437 | break; | |
1438 | } | |
84e11361 | 1439 | sysfs_init(&sra, mdfd, 0); |
a93f8c65 | 1440 | if (array_size == MAX_SIZE) |
84e11361 N |
1441 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1442 | else | |
1443 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1444 | if (err < 0) { | |
1445 | if (errno == E2BIG) | |
e7b84f9d | 1446 | pr_err("--array-size setting" |
84e11361 N |
1447 | " is too large.\n"); |
1448 | else | |
e7b84f9d | 1449 | pr_err("current kernel does" |
84e11361 N |
1450 | " not support setting --array-size\n"); |
1451 | rv = 1; | |
1452 | break; | |
1453 | } | |
1454 | } | |
e705e81b | 1455 | if (devs_found > 1 && s.raiddisks == 0) { |
e5329c37 | 1456 | /* must be '-a'. */ |
e705e81b | 1457 | if (s.size > 0 || s.chunk || s.layout_str != NULL || s.bitmap_file) { |
e7b84f9d | 1458 | pr_err("--add cannot be used with " |
e2e53a2d | 1459 | "other geometry changes in --grow mode\n"); |
e5329c37 NB |
1460 | rv = 1; |
1461 | break; | |
1462 | } | |
1463 | for (dv=devlist->next; dv ; dv=dv->next) { | |
e2e53a2d N |
1464 | rv = Grow_Add_device(devlist->devname, mdfd, |
1465 | dv->devname); | |
e5329c37 NB |
1466 | if (rv) |
1467 | break; | |
1468 | } | |
e705e81b N |
1469 | } else if (s.bitmap_file) { |
1470 | if (s.size > 0 || s.raiddisks || s.chunk || | |
1471 | s.layout_str != NULL || devs_found > 1) { | |
e7b84f9d | 1472 | pr_err("--bitmap changes cannot be " |
e2e53a2d N |
1473 | "used with other geometry changes " |
1474 | "in --grow mode\n"); | |
7236ee7a N |
1475 | rv = 1; |
1476 | break; | |
1477 | } | |
9e33d556 N |
1478 | if (c.delay == 0) |
1479 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1480 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1481 | } else if (grow_continue) |
1482 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1483 | mdfd, c.backup_file, |
0937132d | 1484 | c.verbose); |
e705e81b N |
1485 | else if (s.size > 0 || s.raiddisks || s.layout_str != NULL |
1486 | || s.chunk != 0 || s.level != UnSet) { | |
32754b7d | 1487 | rv = Grow_reshape(devlist->devname, mdfd, |
40c9a66a N |
1488 | devlist->next, |
1489 | data_offset, &c, &s); | |
a93f8c65 | 1490 | } else if (array_size == 0) |
e7b84f9d | 1491 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1492 | break; |
8382f19b NB |
1493 | case INCREMENTAL: |
1494 | if (rebuild_map) { | |
1495 | RebuildMap(); | |
1496 | } | |
9e33d556 N |
1497 | if (c.scan) { |
1498 | if (c.runstop <= 0) { | |
e7b84f9d | 1499 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1500 | break; |
1501 | } | |
29ba4804 | 1502 | if (devmode == 'f') { |
e7b84f9d | 1503 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1504 | break; |
1505 | } | |
0937132d | 1506 | rv = IncrementalScan(c.verbose); |
8382f19b NB |
1507 | } |
1508 | if (!devlist) { | |
9e33d556 | 1509 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1510 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1511 | rv = 1; |
1512 | } | |
1513 | break; | |
1514 | } | |
1515 | if (devlist->next) { | |
e7b84f9d | 1516 | pr_err("--incremental can only handle one device.\n"); |
8382f19b NB |
1517 | rv = 1; |
1518 | break; | |
1519 | } | |
950bc344 PC |
1520 | if (devmode == 'f') |
1521 | rv = IncrementalRemove(devlist->devname, remove_path, | |
0937132d | 1522 | c.verbose); |
950bc344 | 1523 | else |
11b6d91d | 1524 | rv = Incremental(devlist->devname, &c, ss); |
1f48664b NB |
1525 | break; |
1526 | case AUTODETECT: | |
1527 | autodetect(); | |
1528 | break; | |
64c4757e | 1529 | } |
52826846 | 1530 | exit(rv); |
64c4757e | 1531 | } |
3cbc4d12 | 1532 | |
4977146a N |
1533 | static int scan_assemble(struct supertype *ss, |
1534 | struct context *c, | |
1535 | struct mddev_ident *ident) | |
3cbc4d12 N |
1536 | { |
1537 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1538 | struct mddev_dev *devlist = conf_get_devs(); | |
1539 | struct map_ent *map = NULL; | |
1540 | int cnt = 0; | |
1541 | int rv = 0; | |
1542 | int failures, successes; | |
1543 | ||
1544 | if (conf_verify_devnames(array_list)) { | |
e7b84f9d N |
1545 | pr_err("Duplicate MD device names in " |
1546 | "conf file were found.\n"); | |
3cbc4d12 N |
1547 | return 1; |
1548 | } | |
1549 | if (devlist == NULL) { | |
e7b84f9d | 1550 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1551 | return 1; |
1552 | } | |
1553 | for (a = array_list; a ; a = a->next) { | |
1554 | a->assembled = 0; | |
1555 | if (a->autof == 0) | |
4977146a | 1556 | a->autof = c->autof; |
3cbc4d12 N |
1557 | } |
1558 | if (map_lock(&map)) | |
e7b84f9d N |
1559 | pr_err("%s: failed to get " |
1560 | "exclusive lock on mapfile\n", | |
1561 | __func__); | |
3cbc4d12 N |
1562 | do { |
1563 | failures = 0; | |
1564 | successes = 0; | |
1565 | rv = 0; | |
1566 | for (a = array_list; a ; a = a->next) { | |
1567 | int r; | |
1568 | if (a->assembled) | |
1569 | continue; | |
1570 | if (a->devname && | |
1571 | strcasecmp(a->devname, "<ignore>") == 0) | |
1572 | continue; | |
1573 | ||
1574 | r = Assemble(ss, a->devname, | |
4977146a | 1575 | a, NULL, c); |
3cbc4d12 N |
1576 | if (r == 0) { |
1577 | a->assembled = 1; | |
1578 | successes++; | |
1579 | } else | |
1580 | failures++; | |
1581 | rv |= r; | |
1582 | cnt++; | |
1583 | } | |
1584 | } while (failures && successes); | |
4977146a | 1585 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1586 | /* Maybe we can auto-assemble something. |
1587 | * Repeatedly call Assemble in auto-assemble mode | |
1588 | * until it fails | |
1589 | */ | |
1590 | int rv2; | |
1591 | int acnt; | |
4977146a | 1592 | ident->autof = c->autof; |
3cbc4d12 N |
1593 | do { |
1594 | struct mddev_dev *devlist = conf_get_devs(); | |
1595 | acnt = 0; | |
1596 | do { | |
1597 | rv2 = Assemble(ss, NULL, | |
1598 | ident, | |
4977146a | 1599 | devlist, c); |
3cbc4d12 N |
1600 | if (rv2==0) { |
1601 | cnt++; | |
1602 | acnt++; | |
1603 | } | |
1604 | } while (rv2!=2); | |
1605 | /* Incase there are stacked devices, we need to go around again */ | |
1606 | } while (acnt); | |
1607 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1608 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1609 | rv = 1; |
1610 | } else if (cnt) | |
1611 | rv = 0; | |
1612 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1613 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1614 | rv = 1; |
1615 | } | |
1616 | map_unlock(&map); | |
1617 | return rv; | |
1618 | } | |
7d27d1c0 | 1619 | |
ef898ce6 | 1620 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1621 | { |
1622 | /* apply --detail or --wait-clean to | |
1623 | * all devices in /proc/mdstat | |
1624 | */ | |
1625 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1626 | struct mdstat_ent *e; | |
1627 | struct map_ent *map = NULL; | |
1628 | int members; | |
7d27d1c0 N |
1629 | int rv = 0; |
1630 | ||
1631 | for (members = 0; members <= 1; members++) { | |
1632 | for (e=ms ; e ; e=e->next) { | |
1633 | char *name; | |
1634 | struct map_ent *me; | |
1635 | int member = e->metadata_version && | |
1636 | strncmp(e->metadata_version, | |
1637 | "external:/", 10) == 0; | |
1638 | if (members != member) | |
1639 | continue; | |
1640 | me = map_by_devnum(&map, e->devnum); | |
1641 | if (me && me->path | |
1642 | && strcmp(me->path, "/unknown") != 0) | |
1643 | name = me->path; | |
1644 | else | |
1645 | name = get_md_name(e->devnum); | |
1646 | ||
1647 | if (!name) { | |
e7b84f9d | 1648 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1649 | e->dev); |
1650 | continue; | |
1651 | } | |
1652 | if (devmode == 'D') | |
ef898ce6 | 1653 | rv |= Detail(name, c); |
7d27d1c0 | 1654 | else |
ef898ce6 | 1655 | rv |= WaitClean(name, -1, c->verbose); |
7d27d1c0 N |
1656 | put_md_name(name); |
1657 | } | |
1658 | } | |
1659 | free_mdstat(ms); | |
1660 | return rv; | |
1661 | } | |
1662 | ||
ba728be7 | 1663 | static int stop_scan(int verbose) |
7d27d1c0 N |
1664 | { |
1665 | /* apply --stop to all devices in /proc/mdstat */ | |
1666 | /* Due to possible stacking of devices, repeat until | |
1667 | * nothing more can be stopped | |
1668 | */ | |
1669 | int progress=1, err; | |
1670 | int last = 0; | |
1671 | int rv = 0; | |
1672 | do { | |
1673 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1674 | struct mdstat_ent *e; | |
1675 | ||
1676 | if (!progress) last = 1; | |
1677 | progress = 0; err = 0; | |
1678 | for (e=ms ; e ; e=e->next) { | |
1679 | char *name = get_md_name(e->devnum); | |
1680 | int mdfd; | |
1681 | ||
1682 | if (!name) { | |
e7b84f9d | 1683 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1684 | e->dev); |
1685 | continue; | |
1686 | } | |
1687 | mdfd = open_mddev(name, 1); | |
1688 | if (mdfd >= 0) { | |
ba728be7 | 1689 | if (Manage_runstop(name, mdfd, -1, verbose, !last)) |
7d27d1c0 N |
1690 | err = 1; |
1691 | else | |
1692 | progress = 1; | |
1693 | close(mdfd); | |
1694 | } | |
1695 | ||
1696 | put_md_name(name); | |
1697 | } | |
1698 | free_mdstat(ms); | |
1699 | } while (!last && err); | |
1700 | if (err) | |
1701 | rv |= 1; | |
1702 | return rv; | |
1703 | } | |
1704 | ||
1705 | static int misc_list(struct mddev_dev *devlist, | |
86da243f N |
1706 | struct mddev_ident *ident, |
1707 | struct supertype *ss, struct context *c) | |
7d27d1c0 N |
1708 | { |
1709 | struct mddev_dev *dv; | |
1710 | int rv = 0; | |
1711 | ||
1712 | for (dv=devlist ; dv; dv=dv->next) { | |
1713 | int mdfd; | |
1714 | ||
1715 | switch(dv->disposition) { | |
1716 | case 'D': | |
ef898ce6 | 1717 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1718 | continue; |
1719 | case KillOpt: /* Zero superblock */ | |
1720 | if (ss) | |
86da243f | 1721 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1722 | else { |
86da243f | 1723 | int v = c->verbose; |
7d27d1c0 | 1724 | do { |
86da243f | 1725 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1726 | v = -1; |
7d27d1c0 N |
1727 | } while (rv == 0); |
1728 | rv &= ~2; | |
1729 | } | |
1730 | continue; | |
1731 | case 'Q': | |
1732 | rv |= Query(dv->devname); continue; | |
1733 | case 'X': | |
86da243f | 1734 | rv |= ExamineBitmap(dv->devname, c->brief, ss); continue; |
7d27d1c0 N |
1735 | case 'W': |
1736 | case WaitOpt: | |
1737 | rv |= Wait(dv->devname); continue; | |
1738 | case Waitclean: | |
86da243f | 1739 | rv |= WaitClean(dv->devname, -1, c->verbose); continue; |
7d27d1c0 | 1740 | case KillSubarray: |
86da243f | 1741 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
1742 | continue; |
1743 | case UpdateSubarray: | |
86da243f | 1744 | if (c->update == NULL) { |
e7b84f9d | 1745 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1746 | rv |= 1; |
1747 | continue; | |
1748 | } | |
86da243f N |
1749 | rv |= Update_subarray(dv->devname, c->subarray, |
1750 | c->update, ident, c->verbose); | |
7d27d1c0 N |
1751 | continue; |
1752 | } | |
1753 | mdfd = open_mddev(dv->devname, 1); | |
1754 | if (mdfd>=0) { | |
1755 | switch(dv->disposition) { | |
1756 | case 'R': | |
86da243f | 1757 | rv |= Manage_runstop(dv->devname, mdfd, 1, c->verbose, 0); break; |
7d27d1c0 | 1758 | case 'S': |
86da243f | 1759 | rv |= Manage_runstop(dv->devname, mdfd, -1, c->verbose, 0); break; |
7d27d1c0 N |
1760 | case 'o': |
1761 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1762 | case 'w': | |
1763 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1764 | } | |
1765 | close(mdfd); | |
1766 | } else | |
1767 | rv |= 1; | |
1768 | } | |
1769 | return rv; | |
1770 | } |