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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 | * |
e736b623 | 4 | * Copyright (C) 2001-2009 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 | |
dd0781e5 | 32 | |
52826846 NB |
33 | int main(int argc, char *argv[]) |
34 | { | |
e0d19036 | 35 | int mode = 0; |
52826846 | 36 | int opt; |
e0d19036 | 37 | int option_index; |
52826846 NB |
38 | char *c; |
39 | int rv; | |
f9ce90ba | 40 | int i; |
52826846 NB |
41 | |
42 | int chunk = 0; | |
5dd497ee | 43 | long long size = -1; |
84e11361 | 44 | long long array_size = -1; |
98c6faba NB |
45 | int level = UnSet; |
46 | int layout = UnSet; | |
19678e53 | 47 | char *layout_str = NULL; |
52826846 | 48 | int raiddisks = 0; |
e27d562b | 49 | int max_disks = MD_SB_DISKS; /* just a default */ |
52826846 NB |
50 | int sparedisks = 0; |
51 | struct mddev_ident_s ident; | |
52 | char *configfile = NULL; | |
cd29a5c8 | 53 | char *cp; |
5787fa49 | 54 | char *update = NULL; |
52826846 NB |
55 | int scan = 0; |
56 | char devmode = 0; | |
57 | int runstop = 0; | |
58 | int readonly = 0; | |
dfd4d8ee | 59 | int write_behind = 0; |
c82f047c NB |
60 | int bitmap_fd = -1; |
61 | char *bitmap_file = NULL; | |
06b0d786 | 62 | char *backup_file = NULL; |
c82f047c | 63 | int bitmap_chunk = UnSet; |
bd526cee | 64 | int SparcAdjust = 0; |
cd29a5c8 NB |
65 | mddev_dev_t devlist = NULL; |
66 | mddev_dev_t *devlistend = & devlist; | |
67 | mddev_dev_t dv; | |
52826846 NB |
68 | int devs_found = 0; |
69 | int verbose = 0; | |
dab6685f | 70 | int quiet = 0; |
cd29a5c8 | 71 | int brief = 0; |
52826846 | 72 | int force = 0; |
feb716e9 | 73 | int test = 0; |
54bad364 | 74 | int export = 0; |
dd0781e5 | 75 | int assume_clean = 0; |
38098016 | 76 | char *symlinks = NULL; |
f1ae21c4 NB |
77 | /* autof indicates whether and how to create device node. |
78 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
79 | * 0 - unset | |
80 | * 1 - don't create (no) | |
81 | * 2 - if is_standard, then create (yes) | |
82 | * 3 - create as 'md' - reject is_standard mdp (md) | |
83 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
84 | * 5 - default to md if not is_standard (md in config file) | |
85 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
86 | */ | |
87 | int autof = 0; | |
52826846 | 88 | |
997aed5d | 89 | char *homehost = NULL; |
05697ec1 | 90 | char sys_hostname[256]; |
0ac91628 | 91 | int require_homehost = 1; |
52826846 NB |
92 | char *mailaddr = NULL; |
93 | char *program = NULL; | |
9a36a9b7 | 94 | int increments = 20; |
52826846 | 95 | int delay = 0; |
d013a55e | 96 | int daemonise = 0; |
b5e64645 | 97 | char *pidfile = NULL; |
aa88f531 | 98 | int oneshot = 0; |
82d9eba6 | 99 | struct supertype *ss = NULL; |
dfd4d8ee | 100 | int writemostly = 0; |
fe80f49b | 101 | int re_add = 0; |
c06487ce | 102 | char *shortopt = short_options; |
773135f5 | 103 | int dosyslog = 0; |
8382f19b | 104 | int rebuild_map = 0; |
589395d6 | 105 | int auto_update_home = 0; |
33414a01 | 106 | char *subarray = NULL; |
52826846 | 107 | |
3d4064cc | 108 | int print_help = 0; |
0047d254 | 109 | FILE *outf; |
e5329c37 | 110 | |
52826846 NB |
111 | int mdfd = -1; |
112 | ||
dfe47e00 NB |
113 | srandom(time(0) ^ getpid()); |
114 | ||
52826846 | 115 | ident.uuid_set=0; |
98c6faba NB |
116 | ident.level = UnSet; |
117 | ident.raid_disks = UnSet; | |
118 | ident.super_minor= UnSet; | |
52826846 | 119 | ident.devices=0; |
a75f2fbc NB |
120 | ident.spare_group = NULL; |
121 | ident.autof = 0; | |
a825febc | 122 | ident.st = NULL; |
c82f047c | 123 | ident.bitmap_fd = -1; |
7ef02d01 | 124 | ident.bitmap_file = NULL; |
947fd4dd | 125 | ident.name[0] = 0; |
aef35714 N |
126 | ident.container = NULL; |
127 | ident.member = NULL; | |
52826846 | 128 | |
e0d19036 NB |
129 | while ((option_index = -1) , |
130 | (opt=getopt_long(argc, argv, | |
c06487ce | 131 | shortopt, long_options, |
e0d19036 NB |
132 | &option_index)) != -1) { |
133 | int newmode = mode; | |
35904960 | 134 | /* firstly, some mode-independent options */ |
52826846 | 135 | switch(opt) { |
52826846 | 136 | case 'h': |
aba69144 | 137 | if (option_index > 0 && |
56eedc1a | 138 | strcmp(long_options[option_index].name, "help-options")==0) |
3d4064cc | 139 | print_help = 2; |
56eedc1a | 140 | else |
3d4064cc NB |
141 | print_help = 1; |
142 | continue; | |
52826846 NB |
143 | |
144 | case 'V': | |
145 | fputs(Version, stderr); | |
146 | exit(0); | |
147 | ||
22892d56 | 148 | case 'v': verbose++; |
52826846 NB |
149 | continue; |
150 | ||
dab6685f NB |
151 | case 'q': quiet++; |
152 | continue; | |
153 | ||
c82f047c | 154 | case 'b': |
a1331cc4 N |
155 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW || |
156 | mode == INCREMENTAL || mode == MANAGE) | |
c82f047c NB |
157 | break; /* b means bitmap */ |
158 | brief = 1; | |
cd29a5c8 NB |
159 | continue; |
160 | ||
54bad364 KS |
161 | case 'Y': export++; |
162 | continue; | |
163 | ||
997aed5d | 164 | case HomeHost: |
0ac91628 N |
165 | if (strcasecmp(optarg, "<ignore>") == 0) |
166 | require_homehost = 0; | |
167 | else | |
168 | homehost = optarg; | |
997aed5d NB |
169 | continue; |
170 | ||
e0d19036 NB |
171 | case ':': |
172 | case '?': | |
173 | fputs(Usage, stderr); | |
174 | exit(2); | |
175 | } | |
176 | /* second, figure out the mode. | |
177 | * Some options force the mode. Others | |
aba69144 | 178 | * set the mode if it isn't already |
e0d19036 NB |
179 | */ |
180 | ||
181 | switch(opt) { | |
182 | case '@': /* just incase they say --manage */ | |
c06487ce | 183 | newmode = MANAGE; |
024768c4 | 184 | shortopt = short_bitmap_options; |
c06487ce | 185 | break; |
e0d19036 NB |
186 | case 'a': |
187 | case 'r': | |
188 | case 'f': | |
41a3b72a | 189 | case ReAdd: /* re-add */ |
c06487ce NB |
190 | if (!mode) { |
191 | newmode = MANAGE; | |
024768c4 | 192 | shortopt = short_bitmap_options; |
c06487ce | 193 | } |
0320ea45 | 194 | break; |
e0d19036 | 195 | |
c06487ce NB |
196 | case 'A': newmode = ASSEMBLE; shortopt = short_bitmap_auto_options; break; |
197 | case 'B': newmode = BUILD; shortopt = short_bitmap_auto_options; break; | |
198 | case 'C': newmode = CREATE; shortopt = short_bitmap_auto_options; break; | |
e0d19036 | 199 | case 'F': newmode = MONITOR;break; |
024768c4 DL |
200 | case 'G': newmode = GROW; |
201 | shortopt = short_bitmap_options; | |
202 | break; | |
95b79df0 DW |
203 | case 'I': newmode = INCREMENTAL; |
204 | shortopt = short_bitmap_auto_options; break; | |
1f48664b NB |
205 | case AutoDetect: |
206 | newmode = AUTODETECT; break; | |
e0d19036 NB |
207 | |
208 | case '#': | |
209 | case 'D': | |
210 | case 'E': | |
c82f047c | 211 | case 'X': |
e0d19036 NB |
212 | case 'Q': newmode = MISC; break; |
213 | case 'R': | |
214 | case 'S': | |
215 | case 'o': | |
216 | case 'w': | |
b90c0e9a | 217 | case 'W': |
1770662b | 218 | case Waitclean: |
4cce4069 | 219 | case DetailPlatform: |
33414a01 | 220 | case KillSubarray: |
aa534678 DW |
221 | case UpdateSubarray: |
222 | if (opt == KillSubarray || opt == UpdateSubarray) { | |
223 | if (subarray) { | |
224 | fprintf(stderr, Name ": subarray can only be specified once\n"); | |
225 | exit(2); | |
226 | } | |
33414a01 | 227 | subarray = optarg; |
aa534678 | 228 | } |
e0d19036 NB |
229 | case 'K': if (!mode) newmode = MISC; break; |
230 | } | |
231 | if (mode && newmode == mode) { | |
232 | /* everybody happy ! */ | |
233 | } else if (mode && newmode != mode) { | |
234 | /* not allowed.. */ | |
235 | fprintf(stderr, Name ": "); | |
236 | if (option_index >= 0) | |
237 | fprintf(stderr, "--%s", long_options[option_index].name); | |
238 | else | |
239 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 240 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
241 | map_num(modes, newmode), |
242 | map_num(modes, mode)); | |
243 | exit(2); | |
244 | } else if (!mode && newmode) { | |
245 | mode = newmode; | |
246 | } else { | |
247 | /* special case of -c --help */ | |
aba69144 | 248 | if (opt == 'c' && |
e0d19036 NB |
249 | ( strncmp(optarg, "--h", 3)==0 || |
250 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 251 | fputs(Help_config, stdout); |
e0d19036 | 252 | exit(0); |
cd29a5c8 | 253 | } |
0320ea45 NB |
254 | |
255 | /* If first option is a device, don't force the mode yet */ | |
256 | if (opt == 1) { | |
257 | if (devs_found == 0) { | |
258 | dv = malloc(sizeof(*dv)); | |
259 | if (dv == NULL) { | |
260 | fprintf(stderr, Name ": malloc failed\n"); | |
261 | exit(3); | |
262 | } | |
263 | dv->devname = optarg; | |
264 | dv->disposition = devmode; | |
dfd4d8ee | 265 | dv->writemostly = writemostly; |
fe80f49b | 266 | dv->re_add = re_add; |
da6b5ca9 | 267 | dv->used = 0; |
9008ed1c | 268 | dv->content = NULL; |
0320ea45 NB |
269 | dv->next = NULL; |
270 | *devlistend = dv; | |
271 | devlistend = &dv->next; | |
aba69144 | 272 | |
0320ea45 NB |
273 | devs_found++; |
274 | continue; | |
275 | } | |
276 | /* No mode yet, and this is the second device ... */ | |
a1331cc4 N |
277 | fprintf(stderr, Name ": An option must be given to set the mode before a second device\n" |
278 | " (%s) is listed\n", optarg); | |
0320ea45 NB |
279 | exit(2); |
280 | } | |
e0d19036 | 281 | if (option_index >= 0) |
0320ea45 | 282 | fprintf(stderr, Name ": --%s", long_options[option_index].name); |
e0d19036 | 283 | else |
0320ea45 NB |
284 | fprintf(stderr, Name ": -%c", opt); |
285 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
e0d19036 NB |
286 | exit(2); |
287 | } | |
288 | ||
289 | /* if we just set the mode, then done */ | |
290 | switch(opt) { | |
291 | case '@': | |
292 | case '#': | |
293 | case 'A': | |
294 | case 'B': | |
295 | case 'C': | |
296 | case 'F': | |
dd0781e5 | 297 | case 'G': |
8382f19b | 298 | case 'I': |
1f48664b | 299 | case AutoDetect: |
e0d19036 NB |
300 | continue; |
301 | } | |
302 | if (opt == 1) { | |
303 | /* an undecorated option - must be a device name. | |
304 | */ | |
cd29a5c8 | 305 | if (devs_found > 0 && mode == '@' && !devmode) { |
dd0781e5 | 306 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
307 | exit(2); |
308 | } | |
e5329c37 NB |
309 | if (devs_found > 0 && mode == 'G' && !devmode) { |
310 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
311 | exit(2); | |
312 | } | |
cd29a5c8 NB |
313 | dv = malloc(sizeof(*dv)); |
314 | if (dv == NULL) { | |
315 | fprintf(stderr, Name ": malloc failed\n"); | |
316 | exit(3); | |
317 | } | |
318 | dv->devname = optarg; | |
319 | dv->disposition = devmode; | |
dfd4d8ee | 320 | dv->writemostly = writemostly; |
fe80f49b | 321 | dv->re_add = re_add; |
9008ed1c N |
322 | dv->used = 0; |
323 | dv->content = NULL; | |
cd29a5c8 NB |
324 | dv->next = NULL; |
325 | *devlistend = dv; | |
326 | devlistend = &dv->next; | |
aba69144 | 327 | |
52826846 NB |
328 | devs_found++; |
329 | continue; | |
682c7051 | 330 | } |
682c7051 | 331 | |
52826846 NB |
332 | /* We've got a mode, and opt is now something else which |
333 | * could depend on the mode */ | |
334 | #define O(a,b) ((a<<8)|b) | |
335 | switch (O(mode,opt)) { | |
7236ee7a | 336 | case O(GROW,'c'): |
e0d19036 NB |
337 | case O(CREATE,'c'): |
338 | case O(BUILD,'c'): /* chunk or rounding */ | |
52826846 NB |
339 | if (chunk) { |
340 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
341 | "Second value is %s.\n", optarg); | |
342 | exit(2); | |
343 | } | |
344 | chunk = strtol(optarg, &c, 10); | |
345 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
346 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
347 | optarg); | |
348 | exit(2); | |
349 | } | |
350 | continue; | |
64c4757e | 351 | |
e0fe762a | 352 | #if 0 |
589395d6 NB |
353 | case O(ASSEMBLE,AutoHomeHost): |
354 | auto_update_home = 1; | |
355 | continue; | |
e0fe762a | 356 | #endif |
8382f19b | 357 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
358 | case O(CREATE,'e'): |
359 | case O(ASSEMBLE,'e'): | |
360 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
361 | if (ss) { | |
362 | fprintf(stderr, Name ": metadata information already given\n"); | |
363 | exit(2); | |
364 | } | |
aba69144 | 365 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
366 | ss = superlist[i]->match_metadata_desc(optarg); |
367 | ||
f9ce90ba NB |
368 | if (!ss) { |
369 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
370 | exit(2); | |
371 | } | |
ea329559 | 372 | max_disks = ss->max_devs; |
f9ce90ba NB |
373 | continue; |
374 | ||
dfd4d8ee NB |
375 | case O(MANAGE,'W'): |
376 | case O(BUILD,'W'): | |
377 | case O(CREATE,'W'): | |
378 | /* set write-mostly for following devices */ | |
379 | writemostly = 1; | |
380 | continue; | |
381 | ||
b3d31955 N |
382 | case O(MANAGE,'w'): |
383 | /* clear write-mostly for following devices */ | |
384 | writemostly = 2; | |
385 | continue; | |
386 | ||
387 | ||
dd0781e5 | 388 | case O(GROW,'z'): |
25affb56 PC |
389 | case O(CREATE,'z'): |
390 | case O(BUILD,'z'): /* size */ | |
dd0781e5 | 391 | if (size >= 0) { |
52826846 NB |
392 | fprintf(stderr, Name ": size may only be specified once. " |
393 | "Second value is %s.\n", optarg); | |
394 | exit(2); | |
395 | } | |
dd0781e5 NB |
396 | if (strcmp(optarg, "max")==0) |
397 | size = 0; | |
398 | else { | |
5f4fc0e1 N |
399 | size = parse_size(optarg); |
400 | if (size < 8) { | |
dd0781e5 NB |
401 | fprintf(stderr, Name ": invalid size: %s\n", |
402 | optarg); | |
403 | exit(2); | |
404 | } | |
5f4fc0e1 N |
405 | /* convert sectors to K */ |
406 | size /= 2; | |
52826846 NB |
407 | } |
408 | continue; | |
64c4757e | 409 | |
84e11361 N |
410 | case O(GROW,'Z'): /* array size */ |
411 | if (array_size >= 0) { | |
412 | fprintf(stderr, Name ": array-size may only be specified once. " | |
413 | "Second value is %s.\n", optarg); | |
414 | exit(2); | |
415 | } | |
416 | if (strcmp(optarg, "max") == 0) | |
417 | array_size = 0; | |
418 | else { | |
419 | array_size = parse_size(optarg); | |
420 | if (array_size <= 0) { | |
421 | fprintf(stderr, Name ": invalid array size: %s\n", | |
422 | optarg); | |
423 | exit(2); | |
424 | } | |
425 | } | |
426 | continue; | |
427 | ||
7236ee7a | 428 | case O(GROW,'l'): |
e0d19036 NB |
429 | case O(CREATE,'l'): |
430 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 431 | if (level != UnSet) { |
52826846 NB |
432 | fprintf(stderr, Name ": raid level may only be set once. " |
433 | "Second value is %s.\n", optarg); | |
434 | exit(2); | |
435 | } | |
436 | level = map_name(pers, optarg); | |
98c6faba | 437 | if (level == UnSet) { |
52826846 NB |
438 | fprintf(stderr, Name ": invalid raid level: %s\n", |
439 | optarg); | |
440 | exit(2); | |
441 | } | |
e0fe762a N |
442 | if (level != 0 && level != LEVEL_LINEAR && level != 1 && |
443 | level != LEVEL_MULTIPATH && level != LEVEL_FAULTY && | |
444 | level != 10 && | |
445 | mode == BUILD) { | |
52826846 NB |
446 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", |
447 | optarg); | |
448 | exit(2); | |
449 | } | |
e0d19036 | 450 | if (sparedisks > 0 && level < 1 && level >= -1) { |
b83d95f3 | 451 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
452 | optarg); |
453 | exit(2); | |
454 | } | |
cd29a5c8 | 455 | ident.level = level; |
52826846 | 456 | continue; |
64c4757e | 457 | |
19678e53 N |
458 | case O(GROW, 'p'): /* new layout */ |
459 | if (layout_str) { | |
460 | fprintf(stderr,Name ": layout may only be sent once. " | |
461 | "Second value was %s\n", optarg); | |
462 | exit(2); | |
463 | } | |
464 | layout_str = optarg; | |
465 | /* 'Grow' will parse the value */ | |
466 | continue; | |
467 | ||
e0d19036 | 468 | case O(CREATE,'p'): /* raid5 layout */ |
b5e64645 | 469 | case O(BUILD,'p'): /* faulty layout */ |
e5329c37 | 470 | if (layout != UnSet) { |
52826846 NB |
471 | fprintf(stderr,Name ": layout may only be sent once. " |
472 | "Second value was %s\n", optarg); | |
473 | exit(2); | |
474 | } | |
475 | switch(level) { | |
476 | default: | |
56eb10c0 | 477 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", |
52826846 NB |
478 | map_num(pers, level)); |
479 | exit(2); | |
98c6faba | 480 | case UnSet: |
52826846 NB |
481 | fprintf(stderr, Name ": raid level must be given before layout.\n"); |
482 | exit(2); | |
483 | ||
484 | case 5: | |
485 | layout = map_name(r5layout, optarg); | |
98c6faba | 486 | if (layout==UnSet) { |
52826846 NB |
487 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", |
488 | optarg); | |
489 | exit(2); | |
490 | } | |
491 | break; | |
b640a252 N |
492 | case 6: |
493 | layout = map_name(r6layout, optarg); | |
494 | if (layout==UnSet) { | |
495 | fprintf(stderr, Name ": layout %s not understood for raid6.\n", | |
496 | optarg); | |
497 | exit(2); | |
498 | } | |
499 | break; | |
e5329c37 NB |
500 | |
501 | case 10: | |
4a06e2c2 N |
502 | layout = parse_layout_10(optarg); |
503 | if (layout < 0) { | |
b578481c | 504 | fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
505 | exit(2); |
506 | } | |
e5329c37 | 507 | break; |
19678e53 N |
508 | case LEVEL_FAULTY: |
509 | /* Faulty | |
510 | * modeNNN | |
511 | */ | |
4a06e2c2 N |
512 | layout = parse_layout_faulty(optarg); |
513 | if (layout == -1) { | |
b5e64645 NB |
514 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", |
515 | optarg); | |
516 | exit(2); | |
517 | } | |
4a06e2c2 | 518 | break; |
52826846 NB |
519 | } |
520 | continue; | |
521 | ||
997aed5d NB |
522 | case O(CREATE,AssumeClean): |
523 | case O(BUILD,AssumeClean): /* assume clean */ | |
dd0781e5 NB |
524 | assume_clean = 1; |
525 | continue; | |
526 | ||
527 | case O(GROW,'n'): | |
e0d19036 NB |
528 | case O(CREATE,'n'): |
529 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 530 | if (raiddisks) { |
b83d95f3 | 531 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", |
52826846 NB |
532 | raiddisks, optarg); |
533 | exit(2); | |
534 | } | |
535 | raiddisks = strtol(optarg, &c, 10); | |
e4c4352e | 536 | if (!optarg[0] || *c || raiddisks<=0) { |
b83d95f3 | 537 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", |
52826846 NB |
538 | optarg); |
539 | exit(2); | |
540 | } | |
cd29a5c8 | 541 | ident.raid_disks = raiddisks; |
52826846 NB |
542 | continue; |
543 | ||
e0d19036 | 544 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ |
52826846 | 545 | if (sparedisks) { |
b83d95f3 | 546 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", |
52826846 NB |
547 | sparedisks, optarg); |
548 | exit(2); | |
549 | } | |
98c6faba | 550 | if (level != UnSet && level <= 0 && level >= -1) { |
b83d95f3 | 551 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
552 | level); |
553 | exit(2); | |
554 | } | |
555 | sparedisks = strtol(optarg, &c, 10); | |
e4c4352e | 556 | if (!optarg[0] || *c || sparedisks < 0) { |
b83d95f3 | 557 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", |
52826846 NB |
558 | optarg); |
559 | exit(2); | |
560 | } | |
561 | continue; | |
dd0781e5 NB |
562 | |
563 | case O(CREATE,'a'): | |
564 | case O(BUILD,'a'): | |
95b79df0 | 565 | case O(INCREMENTAL,'a'): |
dd0781e5 | 566 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ |
f1ae21c4 | 567 | autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
568 | continue; |
569 | ||
38098016 NB |
570 | case O(CREATE,Symlinks): |
571 | case O(BUILD,Symlinks): | |
572 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
573 | symlinks = optarg; | |
574 | continue; | |
575 | ||
aa88f531 | 576 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
bd72c2b2 | 577 | case O(GROW,'f'): /* ditto */ |
e0d19036 NB |
578 | case O(CREATE,'f'): /* force honouring of device list */ |
579 | case O(ASSEMBLE,'f'): /* force assembly */ | |
580 | case O(MISC,'f'): /* force zero */ | |
52826846 NB |
581 | force=1; |
582 | continue; | |
583 | ||
584 | /* now for the Assemble options */ | |
3d3dd91e | 585 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 586 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 587 | if (ident.uuid_set) { |
cd29a5c8 | 588 | fprintf(stderr, Name ": uuid cannot be set twice. " |
52826846 NB |
589 | "Second value %s.\n", optarg); |
590 | exit(2); | |
591 | } | |
592 | if (parse_uuid(optarg, ident.uuid)) | |
593 | ident.uuid_set = 1; | |
594 | else { | |
595 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
596 | exit(2); | |
597 | } | |
598 | continue; | |
599 | ||
947fd4dd NB |
600 | case O(CREATE,'N'): |
601 | case O(ASSEMBLE,'N'): | |
aa534678 | 602 | case O(MISC,'N'): |
947fd4dd NB |
603 | if (ident.name[0]) { |
604 | fprintf(stderr, Name ": name cannot be set twice. " | |
605 | "Second value %s.\n", optarg); | |
606 | exit(2); | |
607 | } | |
aa534678 DW |
608 | if (mode == MISC && !subarray) { |
609 | fprintf(stderr, Name ": -N/--name only valid with --update-subarray in misc mode\n"); | |
610 | exit(2); | |
611 | } | |
947fd4dd NB |
612 | if (strlen(optarg) > 32) { |
613 | fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n", | |
614 | optarg); | |
615 | exit(2); | |
616 | } | |
617 | strcpy(ident.name, optarg); | |
618 | continue; | |
619 | ||
e0d19036 | 620 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
98c6faba | 621 | if (ident.super_minor != UnSet) { |
cd29a5c8 NB |
622 | fprintf(stderr, Name ": super-minor cannot be set twice. " |
623 | "Second value: %s.\n", optarg); | |
624 | exit(2); | |
625 | } | |
d013a55e NB |
626 | if (strcmp(optarg, "dev")==0) |
627 | ident.super_minor = -2; | |
628 | else { | |
629 | ident.super_minor = strtoul(optarg, &cp, 10); | |
630 | if (!optarg[0] || *cp) { | |
631 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
632 | exit(2); | |
633 | } | |
cd29a5c8 NB |
634 | } |
635 | continue; | |
636 | ||
5787fa49 | 637 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 638 | case O(MISC,'U'): |
5787fa49 NB |
639 | if (update) { |
640 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
641 | update, optarg); | |
642 | exit(2); | |
643 | } | |
aa534678 DW |
644 | if (mode == MISC && !subarray) { |
645 | fprintf(stderr, Name ": Only subarrays can be updated in misc mode\n"); | |
646 | exit(2); | |
647 | } | |
5787fa49 | 648 | update = optarg; |
aba69144 | 649 | if (strcmp(update, "sparc2.2")==0) |
e5329c37 | 650 | continue; |
5787fa49 NB |
651 | if (strcmp(update, "super-minor") == 0) |
652 | continue; | |
feb716e9 NB |
653 | if (strcmp(update, "summaries")==0) |
654 | continue; | |
e5329c37 NB |
655 | if (strcmp(update, "resync")==0) |
656 | continue; | |
7d99579f NB |
657 | if (strcmp(update, "uuid")==0) |
658 | continue; | |
c4f12c13 NB |
659 | if (strcmp(update, "name")==0) |
660 | continue; | |
0237e0ca NB |
661 | if (strcmp(update, "homehost")==0) |
662 | continue; | |
bee8ec56 NB |
663 | if (strcmp(update, "devicesize")==0) |
664 | continue; | |
586ed405 NB |
665 | if (strcmp(update, "byteorder")==0) { |
666 | if (ss) { | |
667 | fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n"); | |
668 | exit(2); | |
669 | } | |
aba69144 | 670 | for(i=0; !ss && superlist[i]; i++) |
586ed405 NB |
671 | ss = superlist[i]->match_metadata_desc("0.swap"); |
672 | if (!ss) { | |
673 | fprintf(stderr, Name ": INTERNAL ERROR cannot find 0.swap\n"); | |
674 | exit(2); | |
675 | } | |
676 | ||
677 | continue; | |
678 | } | |
0047d254 NB |
679 | if (strcmp(update,"?") == 0 || |
680 | strcmp(update, "help") == 0) { | |
681 | outf = stdout; | |
682 | fprintf(outf, Name ": "); | |
683 | } else { | |
684 | outf = stderr; | |
685 | fprintf(outf, | |
686 | Name ": '--update=%s' is invalid. ", | |
687 | update); | |
688 | } | |
689 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 NB |
690 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
691 | " 'summaries', 'homehost', 'byteorder', 'devicesize'.\n"); | |
0047d254 | 692 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 693 | |
997aed5d | 694 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
0047d254 NB |
695 | runstop = -1; /* --stop isn't allowed for --assemble, |
696 | * so we overload slightly */ | |
b8a8ccf9 NB |
697 | continue; |
698 | ||
e0d19036 | 699 | case O(ASSEMBLE,'c'): /* config file */ |
7b187ed7 | 700 | case O(INCREMENTAL, 'c'): |
2d465520 | 701 | case O(MISC, 'c'): |
e0d19036 | 702 | case O(MONITOR,'c'): |
52826846 NB |
703 | if (configfile) { |
704 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
705 | "Second value is %s.\n", optarg); | |
706 | exit(2); | |
707 | } | |
708 | configfile = optarg; | |
8aec876d | 709 | set_conffile(configfile); |
52826846 NB |
710 | /* FIXME possibly check that config file exists. Even parse it */ |
711 | continue; | |
e0d19036 NB |
712 | case O(ASSEMBLE,'s'): /* scan */ |
713 | case O(MISC,'s'): | |
714 | case O(MONITOR,'s'): | |
8382f19b | 715 | case O(INCREMENTAL,'s'): |
52826846 NB |
716 | scan = 1; |
717 | continue; | |
718 | ||
e0d19036 | 719 | case O(MONITOR,'m'): /* mail address */ |
52826846 NB |
720 | if (mailaddr) |
721 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
722 | optarg); | |
723 | else | |
724 | mailaddr = optarg; | |
725 | continue; | |
726 | ||
e0d19036 | 727 | case O(MONITOR,'p'): /* alert program */ |
52826846 NB |
728 | if (program) |
729 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
730 | optarg); | |
731 | else | |
732 | program = optarg; | |
733 | continue; | |
64c4757e | 734 | |
9a36a9b7 ZB |
735 | case O(MONITOR,'r'): /* rebuild increments */ |
736 | increments = atoi(optarg); | |
737 | if (increments>99 || increments<1) { | |
738 | fprintf(stderr, Name ": please specify positive integer between 1 and 99 as rebuild increments.\n"); | |
739 | exit(2); | |
740 | } | |
741 | continue; | |
742 | ||
e0d19036 | 743 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 744 | case O(GROW, 'd'): |
c82f047c NB |
745 | case O(BUILD,'d'): /* delay for bitmap updates */ |
746 | case O(CREATE,'d'): | |
52826846 NB |
747 | if (delay) |
748 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
749 | optarg); | |
750 | else { | |
751 | delay = strtol(optarg, &c, 10); | |
752 | if (!optarg[0] || *c || delay<1) { | |
753 | fprintf(stderr, Name ": invalid delay: %s\n", | |
754 | optarg); | |
755 | exit(2); | |
756 | } | |
757 | } | |
758 | continue; | |
d013a55e NB |
759 | case O(MONITOR,'f'): /* daemonise */ |
760 | daemonise = 1; | |
761 | continue; | |
b5e64645 NB |
762 | case O(MONITOR,'i'): /* pid */ |
763 | if (pidfile) | |
764 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
765 | optarg); | |
766 | else | |
767 | pidfile = optarg; | |
768 | continue; | |
aa88f531 NB |
769 | case O(MONITOR,'1'): /* oneshot */ |
770 | oneshot = 1; | |
771 | continue; | |
98c6faba NB |
772 | case O(MONITOR,'t'): /* test */ |
773 | test = 1; | |
774 | continue; | |
773135f5 | 775 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 776 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
777 | dosyslog = 1; |
778 | continue; | |
52826846 NB |
779 | |
780 | /* now the general management options. Some are applicable | |
781 | * to other modes. None have arguments. | |
782 | */ | |
e5329c37 | 783 | case O(GROW,'a'): |
dd0781e5 | 784 | case O(MANAGE,'a'): /* add a drive */ |
52826846 | 785 | devmode = 'a'; |
fe80f49b NB |
786 | re_add = 0; |
787 | continue; | |
997aed5d | 788 | case O(MANAGE,ReAdd): |
fe80f49b NB |
789 | devmode = 'a'; |
790 | re_add = 1; | |
52826846 | 791 | continue; |
e0d19036 | 792 | case O(MANAGE,'r'): /* remove a drive */ |
52826846 NB |
793 | devmode = 'r'; |
794 | continue; | |
e0d19036 | 795 | case O(MANAGE,'f'): /* set faulty */ |
29ba4804 N |
796 | case O(INCREMENTAL,'f'): /* r for incremental is taken, use f |
797 | * even though we will both fail and | |
798 | * remove the device */ | |
52826846 NB |
799 | devmode = 'f'; |
800 | continue; | |
8382f19b | 801 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
802 | case O(MANAGE,'R'): |
803 | case O(ASSEMBLE,'R'): | |
804 | case O(BUILD,'R'): | |
805 | case O(CREATE,'R'): /* Run the array */ | |
52826846 NB |
806 | if (runstop < 0) { |
807 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
808 | exit(2); | |
809 | } | |
810 | runstop = 1; | |
811 | continue; | |
e0d19036 | 812 | case O(MANAGE,'S'): |
52826846 NB |
813 | if (runstop > 0) { |
814 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
815 | exit(2); | |
816 | } | |
817 | runstop = -1; | |
818 | continue; | |
7d2e6486 N |
819 | case O(MANAGE,'t'): |
820 | test = 1; | |
821 | continue; | |
52826846 | 822 | |
e0d19036 NB |
823 | case O(MISC,'Q'): |
824 | case O(MISC,'D'): | |
825 | case O(MISC,'E'): | |
826 | case O(MISC,'K'): | |
827 | case O(MISC,'R'): | |
828 | case O(MISC,'S'): | |
c82f047c | 829 | case O(MISC,'X'): |
e0d19036 NB |
830 | case O(MISC,'o'): |
831 | case O(MISC,'w'): | |
b90c0e9a | 832 | case O(MISC,'W'): |
1770662b | 833 | case O(MISC, Waitclean): |
4cce4069 | 834 | case O(MISC, DetailPlatform): |
33414a01 | 835 | case O(MISC, KillSubarray): |
aa534678 | 836 | case O(MISC, UpdateSubarray): |
e0d19036 NB |
837 | if (devmode && devmode != opt && |
838 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
aa534678 DW |
839 | fprintf(stderr, Name ": --examine/-E cannot be given with "); |
840 | if (devmode == 'E') { | |
841 | if (option_index >= 0) | |
842 | fprintf(stderr, "--%s\n", | |
843 | long_options[option_index].name); | |
844 | else | |
845 | fprintf(stderr, "-%c\n", opt); | |
846 | } else if (isalpha(devmode)) | |
847 | fprintf(stderr, "-%c\n", devmode); | |
848 | else | |
849 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
850 | exit(2); |
851 | } | |
852 | devmode = opt; | |
853 | continue; | |
feb716e9 NB |
854 | case O(MISC,'t'): |
855 | test = 1; | |
856 | continue; | |
e0d19036 | 857 | |
997aed5d | 858 | case O(MISC, Sparc22): |
bd526cee NB |
859 | if (devmode != 'E') { |
860 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
861 | exit(2); | |
862 | } | |
863 | SparcAdjust = 1; | |
864 | continue; | |
c82f047c NB |
865 | |
866 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
867 | if (!optarg) { | |
868 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
869 | exit(2); | |
870 | } | |
55935d51 NB |
871 | if (strcmp(optarg, "internal")==0) { |
872 | fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); | |
873 | continue; | |
874 | } | |
c82f047c NB |
875 | bitmap_fd = open(optarg, O_RDWR); |
876 | if (!*optarg || bitmap_fd < 0) { | |
877 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
878 | exit(2); | |
879 | } | |
880 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
881 | continue; | |
f5e166fe | 882 | |
997aed5d NB |
883 | case O(ASSEMBLE, BackupFile): |
884 | case O(GROW, BackupFile): | |
06b0d786 NB |
885 | /* Specify a file into which grow might place a backup, |
886 | * or from which assemble might recover a backup | |
887 | */ | |
888 | if (backup_file) { | |
889 | fprintf(stderr, Name ": backup file already specified, rejecting %s\n", optarg); | |
890 | exit(2); | |
891 | } | |
892 | backup_file = optarg; | |
893 | continue; | |
894 | ||
c82f047c NB |
895 | case O(BUILD,'b'): |
896 | case O(CREATE,'b'): /* here we create the bitmap */ | |
85375d6d NB |
897 | if (strcmp(optarg, "none") == 0) { |
898 | fprintf(stderr, Name ": '--bitmap none' only" | |
899 | " support for --grow\n"); | |
900 | exit(2); | |
901 | } | |
902 | /* FALL THROUGH */ | |
903 | case O(GROW,'b'): | |
1e0d770c NB |
904 | if (strcmp(optarg, "internal")== 0 || |
905 | strcmp(optarg, "none")== 0 || | |
906 | strchr(optarg, '/') != NULL) { | |
907 | bitmap_file = optarg; | |
908 | continue; | |
909 | } | |
910 | /* probable typo */ | |
a1331cc4 N |
911 | fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n" |
912 | " not '%s'\n", optarg); | |
1e0d770c | 913 | exit(2); |
c82f047c | 914 | |
997aed5d NB |
915 | case O(GROW,BitmapChunk): |
916 | case O(BUILD,BitmapChunk): | |
917 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
c82f047c NB |
918 | bitmap_chunk = strtol(optarg, &c, 10); |
919 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
920 | bitmap_chunk & (bitmap_chunk - 1)) { | |
921 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
922 | optarg); | |
923 | exit(2); | |
924 | } | |
925 | /* convert K to B, chunk of 0K means 512B */ | |
926 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
927 | continue; | |
dfd4d8ee | 928 | |
7d19ad0d | 929 | case O(GROW, WriteBehind): |
997aed5d NB |
930 | case O(BUILD, WriteBehind): |
931 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
dfd4d8ee NB |
932 | write_behind = DEFAULT_MAX_WRITE_BEHIND; |
933 | if (optarg) { | |
934 | write_behind = strtol(optarg, &c, 10); | |
935 | if (write_behind < 0 || *c || | |
936 | write_behind > 16383) { | |
937 | fprintf(stderr, Name ": Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); | |
938 | exit(2); | |
939 | } | |
940 | } | |
941 | continue; | |
8382f19b NB |
942 | |
943 | case O(INCREMENTAL, 'r'): | |
944 | rebuild_map = 1; | |
945 | continue; | |
52826846 NB |
946 | } |
947 | /* We have now processed all the valid options. Anything else is | |
948 | * an error | |
949 | */ | |
06b0d786 NB |
950 | if (option_index > 0) |
951 | fprintf(stderr, Name ":option --%s not valid in %s mode\n", | |
952 | long_options[option_index].name, | |
953 | map_num(modes, mode)); | |
954 | else | |
955 | fprintf(stderr, Name ": option -%c not valid in %s mode\n", | |
956 | opt, map_num(modes, mode)); | |
64c4757e | 957 | exit(2); |
52826846 NB |
958 | |
959 | } | |
960 | ||
3d4064cc NB |
961 | if (print_help) { |
962 | char *help_text = Help; | |
963 | if (print_help == 2) | |
964 | help_text = OptionHelp; | |
965 | else | |
966 | switch (mode) { | |
967 | case ASSEMBLE : help_text = Help_assemble; break; | |
968 | case BUILD : help_text = Help_build; break; | |
969 | case CREATE : help_text = Help_create; break; | |
970 | case MANAGE : help_text = Help_manage; break; | |
971 | case MISC : help_text = Help_misc; break; | |
972 | case MONITOR : help_text = Help_monitor; break; | |
973 | case GROW : help_text = Help_grow; break; | |
8382f19b | 974 | case INCREMENTAL:help_text= Help_incr; break; |
3d4064cc | 975 | } |
0047d254 | 976 | fputs(help_text,stdout); |
3d4064cc NB |
977 | exit(0); |
978 | } | |
979 | ||
0320ea45 NB |
980 | if (!mode && devs_found) { |
981 | mode = MISC; | |
982 | devmode = 'Q'; | |
983 | if (devlist->disposition == 0) | |
984 | devlist->disposition = devmode; | |
985 | } | |
52826846 NB |
986 | if (!mode) { |
987 | fputs(Usage, stderr); | |
64c4757e | 988 | exit(2); |
64c4757e | 989 | } |
38098016 NB |
990 | |
991 | if (symlinks) { | |
992 | struct createinfo *ci = conf_get_create_info(); | |
993 | ||
994 | if (strcasecmp(symlinks, "yes") == 0) | |
995 | ci->symlinks = 1; | |
996 | else if (strcasecmp(symlinks, "no") == 0) | |
997 | ci->symlinks = 0; | |
998 | else { | |
999 | fprintf(stderr, Name ": option --symlinks must be 'no' or 'yes'\n"); | |
1000 | exit(2); | |
1001 | } | |
1002 | } | |
52826846 NB |
1003 | /* Ok, got the option parsing out of the way |
1004 | * hopefully it's mostly right but there might be some stuff | |
1005 | * missing | |
1006 | * | |
e0d19036 | 1007 | * That is mosty checked in the per-mode stuff but... |
52826846 NB |
1008 | * |
1009 | * For @,B,C and A without -s, the first device listed must be an md device | |
1010 | * we check that here and open it. | |
64c4757e | 1011 | */ |
52826846 | 1012 | |
dd0781e5 NB |
1013 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || |
1014 | (mode == ASSEMBLE && ! scan)) { | |
52826846 NB |
1015 | if (devs_found < 1) { |
1016 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
1017 | exit(2); | |
1018 | } | |
dd0781e5 | 1019 | if ((int)ident.super_minor == -2 && autof) { |
aba69144 | 1020 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1021 | exit(2); |
1022 | } | |
7f91af49 | 1023 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1024 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1025 | if (mdfd < 0) |
1026 | exit(1); | |
1027 | } else | |
1028 | /* non-existent device is OK */ | |
1029 | mdfd = open_mddev(devlist->devname, 0); | |
1030 | if (mdfd == -2) { | |
1031 | fprintf(stderr, Name ": device %s exists but is not an " | |
1032 | "md array.\n", devlist->devname); | |
52826846 | 1033 | exit(1); |
7f91af49 | 1034 | } |
98c6faba | 1035 | if ((int)ident.super_minor == -2) { |
d013a55e | 1036 | struct stat stb; |
7f91af49 N |
1037 | if (mdfd < 0) { |
1038 | fprintf(stderr, Name ": --super-minor=dev given, and " | |
1039 | "listed device %s doesn't exist.\n", | |
1040 | devlist->devname); | |
1041 | exit(1); | |
1042 | } | |
d013a55e | 1043 | fstat(mdfd, &stb); |
0df46c2a | 1044 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1045 | } |
7f91af49 N |
1046 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1047 | /* We don't really want this open yet, we just might | |
1048 | * have wanted to check some things | |
1049 | */ | |
1050 | close(mdfd); | |
1051 | mdfd = -1; | |
1052 | } | |
64c4757e | 1053 | } |
52826846 | 1054 | |
e4c4352e NB |
1055 | if (raiddisks) { |
1056 | if (raiddisks > max_disks) { | |
6fbba4c9 NB |
1057 | fprintf(stderr, Name ": invalid number of raid devices: %d\n", |
1058 | raiddisks); | |
e4c4352e NB |
1059 | exit(2); |
1060 | } | |
1061 | if (raiddisks == 1 && !force && level != -5) { | |
1062 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
1063 | " a mistake. If you really mean it you will need to specify --force before\n" | |
1064 | " setting the number of drives.\n"); | |
1065 | exit(2); | |
1066 | } | |
1067 | } | |
1068 | if (sparedisks) { | |
1069 | if ( sparedisks > max_disks - raiddisks) { | |
6fbba4c9 NB |
1070 | fprintf(stderr, Name ": invalid number of spare-devices: %d\n", |
1071 | sparedisks); | |
e4c4352e NB |
1072 | exit(2); |
1073 | } | |
1074 | } | |
c82f047c | 1075 | |
997aed5d | 1076 | if (homehost == NULL) |
0ac91628 | 1077 | homehost = conf_get_homehost(&require_homehost); |
9180c81b | 1078 | if (homehost == NULL || strcmp(homehost, "<system>")==0) { |
05697ec1 NB |
1079 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1080 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
1081 | homehost = sys_hostname; | |
1082 | } | |
1083 | } | |
997aed5d | 1084 | |
ac5678dd N |
1085 | if ((mode != MISC || devmode != 'E') && |
1086 | geteuid() != 0) { | |
1087 | fprintf(stderr, Name ": must be super-user to perform this action\n"); | |
1088 | exit(1); | |
1089 | } | |
1090 | ||
7f91af49 N |
1091 | ident.autof = autof; |
1092 | ||
52826846 NB |
1093 | rv = 0; |
1094 | switch(mode) { | |
e0d19036 | 1095 | case MANAGE: |
52826846 NB |
1096 | /* readonly, add/remove, readwrite, runstop */ |
1097 | if (readonly>0) | |
cd29a5c8 | 1098 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1099 | if (!rv && devs_found>1) |
cd29a5c8 | 1100 | rv = Manage_subdevs(devlist->devname, mdfd, |
7d2e6486 | 1101 | devlist->next, verbose-quiet, test); |
52826846 | 1102 | if (!rv && readonly < 0) |
cd29a5c8 | 1103 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1104 | if (!rv && runstop) |
ab56093f | 1105 | rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet); |
52826846 | 1106 | break; |
e0d19036 | 1107 | case ASSEMBLE: |
d013a55e | 1108 | if (devs_found == 1 && ident.uuid_set == 0 && |
947fd4dd | 1109 | ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) { |
d013a55e | 1110 | /* Only a device has been given, so get details from config file */ |
8aec876d | 1111 | mddev_ident_t array_ident = conf_get_ident(devlist->devname); |
b5e64645 NB |
1112 | if (array_ident == NULL) { |
1113 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
1114 | devlist->devname); | |
d013a55e | 1115 | rv |= 1; |
7f91af49 N |
1116 | if (mdfd >= 0) |
1117 | close(mdfd); | |
b5e64645 | 1118 | } else { |
7f91af49 N |
1119 | if (array_ident->autof == 0) |
1120 | array_ident->autof = autof; | |
1121 | rv |= Assemble(ss, devlist->devname, array_ident, | |
1122 | NULL, backup_file, | |
0ac91628 N |
1123 | readonly, runstop, update, |
1124 | homehost, require_homehost, | |
1125 | verbose-quiet, force); | |
d013a55e NB |
1126 | } |
1127 | } else if (!scan) | |
7f91af49 | 1128 | rv = Assemble(ss, devlist->devname, &ident, |
06b0d786 | 1129 | devlist->next, backup_file, |
0ac91628 N |
1130 | readonly, runstop, update, |
1131 | homehost, require_homehost, | |
1132 | verbose-quiet, force); | |
5787fa49 NB |
1133 | else if (devs_found>0) { |
1134 | if (update && devs_found > 1) { | |
1135 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
1136 | exit(1); | |
1137 | } | |
06b0d786 NB |
1138 | if (backup_file && devs_found > 1) { |
1139 | fprintf(stderr, Name ": can only assemble a single array when providing a backup file.\n"); | |
1140 | exit(1); | |
1141 | } | |
cd29a5c8 | 1142 | for (dv = devlist ; dv ; dv=dv->next) { |
8aec876d | 1143 | mddev_ident_t array_ident = conf_get_ident(dv->devname); |
52826846 NB |
1144 | if (array_ident == NULL) { |
1145 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
cd29a5c8 | 1146 | dv->devname); |
52826846 NB |
1147 | rv |= 1; |
1148 | continue; | |
1149 | } | |
7f91af49 N |
1150 | if (array_ident->autof == 0) |
1151 | array_ident->autof = autof; | |
1152 | rv |= Assemble(ss, dv->devname, array_ident, | |
06b0d786 | 1153 | NULL, backup_file, |
0ac91628 N |
1154 | readonly, runstop, update, |
1155 | homehost, require_homehost, | |
1156 | verbose-quiet, force); | |
52826846 | 1157 | } |
5787fa49 | 1158 | } else { |
b179246f | 1159 | mddev_ident_t a, array_list = conf_get_ident(NULL); |
8aec876d | 1160 | mddev_dev_t devlist = conf_get_devs(); |
da6b5ca9 | 1161 | int cnt = 0; |
b179246f | 1162 | int failures, successes; |
da6b5ca9 NB |
1163 | if (devlist == NULL) { |
1164 | fprintf(stderr, Name ": No devices listed in conf file were found.\n"); | |
1165 | exit(1); | |
1166 | } | |
1167 | if (update) { | |
1168 | fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n"); | |
1169 | exit(1); | |
1170 | } | |
1171 | if (backup_file) { | |
1172 | fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n"); | |
1173 | exit(1); | |
1174 | } | |
b179246f N |
1175 | for (a = array_list; a ; a = a->next) { |
1176 | a->assembled = 0; | |
1177 | if (a->autof == 0) | |
1178 | a->autof = autof; | |
da6b5ca9 | 1179 | } |
b179246f N |
1180 | do { |
1181 | failures = 0; | |
1182 | successes = 0; | |
1183 | rv = 0; | |
1184 | for (a = array_list; a ; a = a->next) { | |
1185 | int r; | |
1186 | if (a->assembled) | |
1187 | continue; | |
1188 | if (a->devname && | |
1189 | strcasecmp(a->devname, "<ignore>") == 0) | |
1190 | continue; | |
1191 | ||
1192 | r = Assemble(ss, a->devname, | |
1193 | a, | |
1194 | NULL, NULL, | |
1195 | readonly, runstop, NULL, | |
1196 | homehost, require_homehost, | |
1197 | verbose-quiet, force); | |
1198 | if (r == 0) { | |
1199 | a->assembled = 1; | |
1200 | successes++; | |
1201 | } else | |
1202 | failures++; | |
1203 | rv |= r; | |
1204 | cnt++; | |
1205 | } | |
1206 | } while (failures && successes); | |
a30b2ecd | 1207 | if (homehost && cnt == 0) { |
da6b5ca9 | 1208 | /* Maybe we can auto-assemble something. |
7f91af49 | 1209 | * Repeatedly call Assemble in auto-assemble mode |
da6b5ca9 NB |
1210 | * until it fails |
1211 | */ | |
1212 | int rv2; | |
d55e3aef NB |
1213 | int acnt; |
1214 | ident.autof = autof; | |
da6b5ca9 | 1215 | do { |
1c203a4b | 1216 | mddev_dev_t devlist = conf_get_devs(); |
d55e3aef NB |
1217 | acnt = 0; |
1218 | do { | |
7f91af49 | 1219 | rv2 = Assemble(ss, NULL, |
8aec876d | 1220 | &ident, |
1c203a4b | 1221 | devlist, NULL, |
0ac91628 N |
1222 | readonly, runstop, NULL, |
1223 | homehost, require_homehost, | |
1224 | verbose-quiet, force); | |
d55e3aef NB |
1225 | if (rv2==0) { |
1226 | cnt++; | |
1227 | acnt++; | |
1228 | } | |
589395d6 NB |
1229 | if (rv2 == 1) |
1230 | /* found something so even though assembly failed we | |
1231 | * want to avoid auto-updates | |
1232 | */ | |
1233 | auto_update_home = 0; | |
d55e3aef NB |
1234 | } while (rv2!=2); |
1235 | /* Incase there are stacked devices, we need to go around again */ | |
d55e3aef | 1236 | } while (acnt); |
e0fe762a | 1237 | #if 0 |
589395d6 NB |
1238 | if (cnt == 0 && auto_update_home && homehost) { |
1239 | /* Nothing found, maybe we need to bootstrap homehost info */ | |
1240 | do { | |
1241 | acnt = 0; | |
1242 | do { | |
7f91af49 | 1243 | rv2 = Assemble(ss, NULL, |
8aec876d | 1244 | &ident, |
43f2372a | 1245 | NULL, NULL, |
0ac91628 N |
1246 | readonly, runstop, "homehost", |
1247 | homehost, require_homehost, | |
1248 | verbose-quiet, force); | |
589395d6 NB |
1249 | if (rv2==0) { |
1250 | cnt++; | |
1251 | acnt++; | |
1252 | } | |
1253 | } while (rv2!=2); | |
1254 | /* Incase there are stacked devices, we need to go around again */ | |
589395d6 NB |
1255 | } while (acnt); |
1256 | } | |
e0fe762a | 1257 | #endif |
da6b5ca9 NB |
1258 | if (cnt == 0 && rv == 0) { |
1259 | fprintf(stderr, Name ": No arrays found in config file or automatically\n"); | |
1260 | rv = 1; | |
1c203a4b NB |
1261 | } else if (cnt) |
1262 | rv = 0; | |
da6b5ca9 NB |
1263 | } else if (cnt == 0 && rv == 0) { |
1264 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
1265 | rv = 1; | |
1266 | } | |
52826846 NB |
1267 | } |
1268 | break; | |
e0d19036 | 1269 | case BUILD: |
c82f047c | 1270 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1271 | if (write_behind && !bitmap_file) { |
1272 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1273 | rv = 1; | |
1274 | break; | |
1275 | } | |
5b28bd56 | 1276 | if (raiddisks == 0) { |
e5669f40 | 1277 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1278 | rv = 1; |
1279 | break; | |
1280 | } | |
dfd4d8ee | 1281 | |
c82f047c | 1282 | if (bitmap_file) { |
55935d51 NB |
1283 | if (strcmp(bitmap_file, "internal")==0) { |
1284 | fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n"); | |
1285 | rv |= 1; | |
1286 | break; | |
1287 | } | |
c82f047c | 1288 | } |
7f91af49 | 1289 | rv = Build(devlist->devname, chunk, level, layout, |
c82f047c | 1290 | raiddisks, devlist->next, assume_clean, |
7f91af49 | 1291 | bitmap_file, bitmap_chunk, write_behind, |
83208785 | 1292 | delay, verbose-quiet, autof, size); |
52826846 | 1293 | break; |
e0d19036 | 1294 | case CREATE: |
c82f047c | 1295 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1296 | if (write_behind && !bitmap_file) { |
1297 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1298 | rv = 1; | |
1299 | break; | |
1300 | } | |
5b28bd56 | 1301 | if (raiddisks == 0) { |
e5669f40 | 1302 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1303 | rv = 1; |
1304 | break; | |
1305 | } | |
f9ce90ba | 1306 | |
7f91af49 | 1307 | rv = Create(ss, devlist->devname, chunk, level, layout, size<0 ? 0 : size, |
05697ec1 | 1308 | raiddisks, sparedisks, ident.name, homehost, |
3d3dd91e | 1309 | ident.uuid_set ? ident.uuid : NULL, |
47d79ef8 | 1310 | devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean, |
7f91af49 | 1311 | bitmap_file, bitmap_chunk, write_behind, delay, autof); |
52826846 | 1312 | break; |
e0d19036 | 1313 | case MISC: |
e0d19036 NB |
1314 | if (devmode == 'E') { |
1315 | if (devlist == NULL && !scan) { | |
1316 | fprintf(stderr, Name ": No devices to examine\n"); | |
1317 | exit(2); | |
1318 | } | |
1319 | if (devlist == NULL) | |
8aec876d | 1320 | devlist = conf_get_devs(); |
e0d19036 | 1321 | if (devlist == NULL) { |
c913b90e | 1322 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1323 | exit(1); |
1324 | } | |
e843d5d7 NB |
1325 | if (brief && verbose) |
1326 | brief = 2; | |
0d726f17 KS |
1327 | rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, |
1328 | export, scan, | |
1329 | SparcAdjust, ss, homehost); | |
4cce4069 DW |
1330 | } else if (devmode == DetailPlatform) { |
1331 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? scan : 1, verbose); | |
e0d19036 NB |
1332 | } else { |
1333 | if (devlist == NULL) { | |
fabbfd48 DW |
1334 | if ((devmode=='D' || devmode == Waitclean) && scan) { |
1335 | /* apply --detail or --wait-clean to | |
1336 | * all devices in /proc/mdstat | |
1337 | */ | |
22a88995 | 1338 | struct mdstat_ent *ms = mdstat_read(0, 1); |
e0d19036 | 1339 | struct mdstat_ent *e; |
35904960 | 1340 | struct map_ent *map = NULL; |
8f1b2bbb | 1341 | int members; |
fabbfd48 DW |
1342 | int v = verbose>1?0:verbose+1; |
1343 | ||
8f1b2bbb | 1344 | for (members = 0; members <= 1; members++) { |
e0d19036 | 1345 | for (e=ms ; e ; e=e->next) { |
35904960 N |
1346 | char *name; |
1347 | struct map_ent *me; | |
8f1b2bbb N |
1348 | int member = e->metadata_version && |
1349 | strncmp(e->metadata_version, | |
1350 | "external:/", 10) == 0; | |
1351 | if (members != member) | |
1352 | continue; | |
35904960 | 1353 | me = map_by_devnum(&map, e->devnum); |
8615dcff N |
1354 | if (me && me->path |
1355 | && strcmp(me->path, "/unknown") != 0) | |
35904960 N |
1356 | name = me->path; |
1357 | else | |
1358 | name = get_md_name(e->devnum); | |
e0d19036 NB |
1359 | |
1360 | if (!name) { | |
1361 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1362 | e->dev); | |
1363 | continue; | |
1364 | } | |
fabbfd48 DW |
1365 | if (devmode == 'D') |
1366 | rv |= Detail(name, v, | |
1367 | export, test, | |
1368 | homehost); | |
1369 | else | |
9f1da824 | 1370 | rv |= WaitClean(name, -1, v); |
91f068bf NB |
1371 | put_md_name(name); |
1372 | } | |
8f1b2bbb | 1373 | } |
89a10d84 | 1374 | free_mdstat(ms); |
91f068bf NB |
1375 | } else if (devmode == 'S' && scan) { |
1376 | /* apply --stop to all devices in /proc/mdstat */ | |
1377 | /* Due to possible stacking of devices, repeat until | |
1378 | * nothing more can be stopped | |
1379 | */ | |
1380 | int progress=1, err; | |
1381 | int last = 0; | |
1382 | do { | |
22a88995 | 1383 | struct mdstat_ent *ms = mdstat_read(0, 0); |
91f068bf NB |
1384 | struct mdstat_ent *e; |
1385 | ||
1386 | if (!progress) last = 1; | |
1387 | progress = 0; err = 0; | |
1388 | for (e=ms ; e ; e=e->next) { | |
1389 | char *name = get_md_name(e->devnum); | |
1390 | ||
1391 | if (!name) { | |
1392 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1393 | e->dev); | |
1394 | continue; | |
1395 | } | |
6be1d39d | 1396 | mdfd = open_mddev(name, 1); |
43fc1676 | 1397 | if (mdfd >= 0) { |
ab56093f | 1398 | if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1)) |
91f068bf NB |
1399 | err = 1; |
1400 | else | |
1401 | progress = 1; | |
43fc1676 NB |
1402 | close(mdfd); |
1403 | } | |
91f068bf NB |
1404 | |
1405 | put_md_name(name); | |
e0d19036 | 1406 | } |
89a10d84 | 1407 | free_mdstat(ms); |
91f068bf | 1408 | } while (!last && err); |
f9c25f1d | 1409 | if (err) rv |= 1; |
91f068bf | 1410 | } else { |
e0d19036 NB |
1411 | fprintf(stderr, Name ": No devices given.\n"); |
1412 | exit(2); | |
1413 | } | |
1414 | } | |
1415 | for (dv=devlist ; dv; dv=dv->next) { | |
1416 | switch(dv->disposition) { | |
1417 | case 'D': | |
54bad364 KS |
1418 | rv |= Detail(dv->devname, |
1419 | brief?1+verbose:0, | |
1420 | export, test, homehost); | |
1421 | continue; | |
e0d19036 | 1422 | case 'K': /* Zero superblock */ |
9277cc77 N |
1423 | if (ss) |
1424 | rv |= Kill(dv->devname, ss, force, quiet,0); | |
1425 | else { | |
1426 | int q = quiet; | |
1427 | do { | |
1428 | rv |= Kill(dv->devname, NULL, force, q, 0); | |
1429 | q = 1; | |
4c619b29 | 1430 | } while (rv == 0); |
9277cc77 N |
1431 | rv &= ~2; |
1432 | } | |
111d01fc | 1433 | continue; |
e0d19036 NB |
1434 | case 'Q': |
1435 | rv |= Query(dv->devname); continue; | |
c82f047c | 1436 | case 'X': |
55935d51 | 1437 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; |
b90c0e9a NB |
1438 | case 'W': |
1439 | rv |= Wait(dv->devname); continue; | |
1770662b | 1440 | case Waitclean: |
9f1da824 | 1441 | rv |= WaitClean(dv->devname, -1, verbose-quiet); continue; |
33414a01 DW |
1442 | case KillSubarray: |
1443 | rv |= Kill_subarray(dv->devname, subarray, quiet); | |
1444 | continue; | |
aa534678 DW |
1445 | case UpdateSubarray: |
1446 | if (update == NULL) { | |
1447 | fprintf(stderr, | |
1448 | Name ": -U/--update must be specified with --update-subarray\n"); | |
1449 | rv |= 1; | |
1450 | continue; | |
1451 | } | |
1452 | rv |= Update_subarray(dv->devname, subarray, update, &ident, quiet); | |
1453 | continue; | |
e0d19036 | 1454 | } |
6be1d39d | 1455 | mdfd = open_mddev(dv->devname, 1); |
43fc1676 | 1456 | if (mdfd>=0) { |
e0d19036 NB |
1457 | switch(dv->disposition) { |
1458 | case 'R': | |
ab56093f | 1459 | rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break; |
e0d19036 | 1460 | case 'S': |
ab56093f | 1461 | rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break; |
e0d19036 NB |
1462 | case 'o': |
1463 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1464 | case 'w': | |
1465 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1466 | } | |
43fc1676 | 1467 | close(mdfd); |
7f48e210 NB |
1468 | } else |
1469 | rv |= 1; | |
e0d19036 | 1470 | } |
cd29a5c8 | 1471 | } |
9a9dab36 | 1472 | break; |
e0d19036 | 1473 | case MONITOR: |
e0d19036 NB |
1474 | if (!devlist && !scan) { |
1475 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
1476 | rv = 1; | |
1477 | break; | |
1478 | } | |
b5e64645 NB |
1479 | if (pidfile && !daemonise) { |
1480 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
1481 | rv = 1; | |
1482 | break; | |
1483 | } | |
ddc7201f N |
1484 | if (delay == 0) { |
1485 | if (get_linux_version() > 20616) | |
1486 | /* mdstat responds to poll */ | |
1487 | delay = 1000; | |
1488 | else | |
1489 | delay = 60; | |
1490 | } | |
d013a55e | 1491 | rv= Monitor(devlist, mailaddr, program, |
773135f5 | 1492 | delay?delay:60, daemonise, scan, oneshot, |
9a36a9b7 | 1493 | dosyslog, test, pidfile, increments); |
9a9dab36 | 1494 | break; |
dd0781e5 NB |
1495 | |
1496 | case GROW: | |
84e11361 N |
1497 | if (array_size >= 0) { |
1498 | /* alway impose array size first, independent of | |
1499 | * anything else | |
9ce510be N |
1500 | * Do not allow level or raid_disks changes at the |
1501 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1502 | */ |
1503 | struct mdinfo sra; | |
1504 | int err; | |
9ce510be N |
1505 | if (raiddisks || level != UnSet) { |
1506 | fprintf(stderr, Name ": cannot change array size in same operation " | |
1507 | "as changing raiddisks or level.\n" | |
1508 | " Change size first, then check that data is still intact.\n"); | |
1509 | rv = 1; | |
1510 | break; | |
1511 | } | |
84e11361 N |
1512 | sysfs_init(&sra, mdfd, 0); |
1513 | if (array_size == 0) | |
1514 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); | |
1515 | else | |
1516 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1517 | if (err < 0) { | |
1518 | if (errno == E2BIG) | |
1519 | fprintf(stderr, Name ": --array-size setting" | |
1520 | " is too large.\n"); | |
1521 | else | |
1522 | fprintf(stderr, Name ": current kernel does" | |
1523 | " not support setting --array-size\n"); | |
1524 | rv = 1; | |
1525 | break; | |
1526 | } | |
1527 | } | |
dd0781e5 | 1528 | if (devs_found > 1) { |
aba69144 | 1529 | |
e5329c37 | 1530 | /* must be '-a'. */ |
7236ee7a N |
1531 | if (size >= 0 || raiddisks || chunk || layout_str != NULL || bitmap_file) { |
1532 | fprintf(stderr, Name ": --add cannot be used with other geometry changes in --grow mode\n"); | |
e5329c37 NB |
1533 | rv = 1; |
1534 | break; | |
1535 | } | |
1536 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1537 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1538 | if (rv) | |
1539 | break; | |
1540 | } | |
7236ee7a N |
1541 | } else if (bitmap_file) { |
1542 | if (size >= 0 || raiddisks || chunk || layout_str != NULL) { | |
1543 | fprintf(stderr, Name ": --bitmap changes cannot be used with other geometry changes in --grow mode\n"); | |
1544 | rv = 1; | |
1545 | break; | |
1546 | } | |
1547 | if (delay == 0) | |
1548 | delay = DEFAULT_BITMAP_DELAY; | |
f5e166fe | 1549 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, |
8fac0577 | 1550 | bitmap_chunk, delay, write_behind, force); |
7236ee7a N |
1551 | } else if (size >= 0 || raiddisks != 0 || layout_str != NULL |
1552 | || chunk != 0 || level != UnSet) { | |
1553 | rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file, | |
1554 | size, level, layout_str, chunk, raiddisks); | |
84e11361 | 1555 | } else if (array_size < 0) |
b5e64645 | 1556 | fprintf(stderr, Name ": no changes to --grow\n"); |
dd0781e5 | 1557 | break; |
8382f19b NB |
1558 | case INCREMENTAL: |
1559 | if (rebuild_map) { | |
1560 | RebuildMap(); | |
1561 | } | |
1562 | if (scan) { | |
1563 | if (runstop <= 0) { | |
1564 | fprintf(stderr, Name | |
1565 | ": --incremental --scan meaningless without --run.\n"); | |
1566 | break; | |
1567 | } | |
29ba4804 N |
1568 | if (devmode == 'f') { |
1569 | fprintf(stderr, Name | |
1570 | ": --incremental --scan --fail not supported.\n"); | |
1571 | break; | |
1572 | } | |
8382f19b NB |
1573 | rv = IncrementalScan(verbose); |
1574 | } | |
1575 | if (!devlist) { | |
1576 | if (!rebuild_map && !scan) { | |
1577 | fprintf(stderr, Name | |
1578 | ": --incremental requires a device.\n"); | |
1579 | rv = 1; | |
1580 | } | |
1581 | break; | |
1582 | } | |
1583 | if (devlist->next) { | |
1584 | fprintf(stderr, Name | |
1585 | ": --incremental can only handle one device.\n"); | |
1586 | rv = 1; | |
1587 | break; | |
1588 | } | |
29ba4804 N |
1589 | if (devmode == 'f') { |
1590 | rv = IncrementalRemove(devlist->devname, verbose-quiet); | |
1591 | break; | |
1592 | } | |
8382f19b | 1593 | rv = Incremental(devlist->devname, verbose-quiet, runstop, |
0ac91628 | 1594 | ss, homehost, require_homehost, autof); |
1f48664b NB |
1595 | break; |
1596 | case AUTODETECT: | |
1597 | autodetect(); | |
1598 | break; | |
64c4757e | 1599 | } |
52826846 | 1600 | exit(rv); |
64c4757e | 1601 | } |