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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 | * |
4f589ad0 | 4 | * Copyright (C) 2001-2006 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 | |
22 | * Email: <neilb@cse.unsw.edu.au> | |
23 | * Paper: Neil Brown | |
24 | * School of Computer Science and Engineering | |
25 | * The University of New South Wales | |
26 | * Sydney, 2052 | |
27 | * Australia | |
c82f047c | 28 | * |
aba69144 | 29 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 30 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
31 | */ |
32 | ||
9a9dab36 | 33 | #include "mdadm.h" |
64c4757e | 34 | #include "md_p.h" |
dd0781e5 | 35 | #include <ctype.h> |
64c4757e | 36 | |
dd0781e5 | 37 | |
52826846 NB |
38 | int main(int argc, char *argv[]) |
39 | { | |
e0d19036 | 40 | int mode = 0; |
52826846 | 41 | int opt; |
e0d19036 | 42 | int option_index; |
52826846 NB |
43 | char *c; |
44 | int rv; | |
f9ce90ba | 45 | int i; |
52826846 NB |
46 | |
47 | int chunk = 0; | |
5dd497ee | 48 | long long size = -1; |
84e11361 | 49 | long long array_size = -1; |
98c6faba NB |
50 | int level = UnSet; |
51 | int layout = UnSet; | |
19678e53 | 52 | char *layout_str = NULL; |
52826846 | 53 | int raiddisks = 0; |
e27d562b | 54 | int max_disks = MD_SB_DISKS; /* just a default */ |
52826846 NB |
55 | int sparedisks = 0; |
56 | struct mddev_ident_s ident; | |
57 | char *configfile = NULL; | |
cd29a5c8 | 58 | char *cp; |
5787fa49 | 59 | char *update = NULL; |
52826846 NB |
60 | int scan = 0; |
61 | char devmode = 0; | |
62 | int runstop = 0; | |
63 | int readonly = 0; | |
dfd4d8ee | 64 | int write_behind = 0; |
c82f047c NB |
65 | int bitmap_fd = -1; |
66 | char *bitmap_file = NULL; | |
06b0d786 | 67 | char *backup_file = NULL; |
c82f047c | 68 | int bitmap_chunk = UnSet; |
bd526cee | 69 | int SparcAdjust = 0; |
cd29a5c8 NB |
70 | mddev_dev_t devlist = NULL; |
71 | mddev_dev_t *devlistend = & devlist; | |
72 | mddev_dev_t dv; | |
52826846 NB |
73 | int devs_found = 0; |
74 | int verbose = 0; | |
dab6685f | 75 | int quiet = 0; |
cd29a5c8 | 76 | int brief = 0; |
52826846 | 77 | int force = 0; |
feb716e9 | 78 | int test = 0; |
54bad364 | 79 | int export = 0; |
dd0781e5 | 80 | int assume_clean = 0; |
38098016 | 81 | char *symlinks = NULL; |
f1ae21c4 NB |
82 | /* autof indicates whether and how to create device node. |
83 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
84 | * 0 - unset | |
85 | * 1 - don't create (no) | |
86 | * 2 - if is_standard, then create (yes) | |
87 | * 3 - create as 'md' - reject is_standard mdp (md) | |
88 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
89 | * 5 - default to md if not is_standard (md in config file) | |
90 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
91 | */ | |
92 | int autof = 0; | |
52826846 | 93 | |
997aed5d | 94 | char *homehost = NULL; |
05697ec1 | 95 | char sys_hostname[256]; |
0ac91628 | 96 | int require_homehost = 1; |
52826846 NB |
97 | char *mailaddr = NULL; |
98 | char *program = NULL; | |
99 | int delay = 0; | |
d013a55e | 100 | int daemonise = 0; |
b5e64645 | 101 | char *pidfile = NULL; |
aa88f531 | 102 | int oneshot = 0; |
82d9eba6 | 103 | struct supertype *ss = NULL; |
dfd4d8ee | 104 | int writemostly = 0; |
fe80f49b | 105 | int re_add = 0; |
c06487ce | 106 | char *shortopt = short_options; |
773135f5 | 107 | int dosyslog = 0; |
8382f19b | 108 | int rebuild_map = 0; |
589395d6 | 109 | int auto_update_home = 0; |
52826846 | 110 | |
3d4064cc | 111 | int print_help = 0; |
0047d254 | 112 | FILE *outf; |
e5329c37 | 113 | |
52826846 NB |
114 | int mdfd = -1; |
115 | ||
dfe47e00 NB |
116 | srandom(time(0) ^ getpid()); |
117 | ||
52826846 | 118 | ident.uuid_set=0; |
98c6faba NB |
119 | ident.level = UnSet; |
120 | ident.raid_disks = UnSet; | |
121 | ident.super_minor= UnSet; | |
52826846 | 122 | ident.devices=0; |
a75f2fbc NB |
123 | ident.spare_group = NULL; |
124 | ident.autof = 0; | |
a825febc | 125 | ident.st = NULL; |
c82f047c | 126 | ident.bitmap_fd = -1; |
7ef02d01 | 127 | ident.bitmap_file = NULL; |
947fd4dd | 128 | ident.name[0] = 0; |
aef35714 N |
129 | ident.container = NULL; |
130 | ident.member = NULL; | |
52826846 | 131 | |
e0d19036 NB |
132 | while ((option_index = -1) , |
133 | (opt=getopt_long(argc, argv, | |
c06487ce | 134 | shortopt, long_options, |
e0d19036 NB |
135 | &option_index)) != -1) { |
136 | int newmode = mode; | |
35904960 | 137 | /* firstly, some mode-independent options */ |
52826846 | 138 | switch(opt) { |
52826846 | 139 | case 'h': |
aba69144 | 140 | if (option_index > 0 && |
56eedc1a | 141 | strcmp(long_options[option_index].name, "help-options")==0) |
3d4064cc | 142 | print_help = 2; |
56eedc1a | 143 | else |
3d4064cc NB |
144 | print_help = 1; |
145 | continue; | |
52826846 NB |
146 | |
147 | case 'V': | |
148 | fputs(Version, stderr); | |
149 | exit(0); | |
150 | ||
22892d56 | 151 | case 'v': verbose++; |
52826846 NB |
152 | continue; |
153 | ||
dab6685f NB |
154 | case 'q': quiet++; |
155 | continue; | |
156 | ||
c82f047c | 157 | case 'b': |
f5e166fe | 158 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW) |
c82f047c NB |
159 | break; /* b means bitmap */ |
160 | brief = 1; | |
c06487ce NB |
161 | if (optarg) { |
162 | fprintf(stderr, Name ": -b cannot have any extra immediately after it, sorry.\n"); | |
163 | exit(2); | |
164 | } | |
cd29a5c8 NB |
165 | continue; |
166 | ||
54bad364 KS |
167 | case 'Y': export++; |
168 | continue; | |
169 | ||
997aed5d | 170 | case HomeHost: |
0ac91628 N |
171 | if (strcasecmp(optarg, "<ignore>") == 0) |
172 | require_homehost = 0; | |
173 | else | |
174 | homehost = optarg; | |
997aed5d NB |
175 | continue; |
176 | ||
e0d19036 NB |
177 | case ':': |
178 | case '?': | |
179 | fputs(Usage, stderr); | |
180 | exit(2); | |
181 | } | |
182 | /* second, figure out the mode. | |
183 | * Some options force the mode. Others | |
aba69144 | 184 | * set the mode if it isn't already |
e0d19036 NB |
185 | */ |
186 | ||
187 | switch(opt) { | |
188 | case '@': /* just incase they say --manage */ | |
c06487ce | 189 | newmode = MANAGE; |
024768c4 | 190 | shortopt = short_bitmap_options; |
c06487ce | 191 | break; |
e0d19036 NB |
192 | case 'a': |
193 | case 'r': | |
194 | case 'f': | |
41a3b72a | 195 | case ReAdd: /* re-add */ |
c06487ce NB |
196 | if (!mode) { |
197 | newmode = MANAGE; | |
024768c4 | 198 | shortopt = short_bitmap_options; |
c06487ce | 199 | } |
0320ea45 | 200 | break; |
e0d19036 | 201 | |
c06487ce NB |
202 | case 'A': newmode = ASSEMBLE; shortopt = short_bitmap_auto_options; break; |
203 | case 'B': newmode = BUILD; shortopt = short_bitmap_auto_options; break; | |
204 | case 'C': newmode = CREATE; shortopt = short_bitmap_auto_options; break; | |
e0d19036 | 205 | case 'F': newmode = MONITOR;break; |
024768c4 DL |
206 | case 'G': newmode = GROW; |
207 | shortopt = short_bitmap_options; | |
208 | break; | |
95b79df0 DW |
209 | case 'I': newmode = INCREMENTAL; |
210 | shortopt = short_bitmap_auto_options; break; | |
1f48664b NB |
211 | case AutoDetect: |
212 | newmode = AUTODETECT; break; | |
e0d19036 NB |
213 | |
214 | case '#': | |
215 | case 'D': | |
216 | case 'E': | |
c82f047c | 217 | case 'X': |
e0d19036 NB |
218 | case 'Q': newmode = MISC; break; |
219 | case 'R': | |
220 | case 'S': | |
221 | case 'o': | |
222 | case 'w': | |
b90c0e9a | 223 | case 'W': |
1770662b | 224 | case Waitclean: |
4cce4069 | 225 | case DetailPlatform: |
e0d19036 NB |
226 | case 'K': if (!mode) newmode = MISC; break; |
227 | } | |
228 | if (mode && newmode == mode) { | |
229 | /* everybody happy ! */ | |
230 | } else if (mode && newmode != mode) { | |
231 | /* not allowed.. */ | |
232 | fprintf(stderr, Name ": "); | |
233 | if (option_index >= 0) | |
234 | fprintf(stderr, "--%s", long_options[option_index].name); | |
235 | else | |
236 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 237 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
238 | map_num(modes, newmode), |
239 | map_num(modes, mode)); | |
240 | exit(2); | |
241 | } else if (!mode && newmode) { | |
242 | mode = newmode; | |
243 | } else { | |
244 | /* special case of -c --help */ | |
aba69144 | 245 | if (opt == 'c' && |
e0d19036 NB |
246 | ( strncmp(optarg, "--h", 3)==0 || |
247 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 248 | fputs(Help_config, stdout); |
e0d19036 | 249 | exit(0); |
cd29a5c8 | 250 | } |
0320ea45 NB |
251 | |
252 | /* If first option is a device, don't force the mode yet */ | |
253 | if (opt == 1) { | |
254 | if (devs_found == 0) { | |
255 | dv = malloc(sizeof(*dv)); | |
256 | if (dv == NULL) { | |
257 | fprintf(stderr, Name ": malloc failed\n"); | |
258 | exit(3); | |
259 | } | |
260 | dv->devname = optarg; | |
261 | dv->disposition = devmode; | |
dfd4d8ee | 262 | dv->writemostly = writemostly; |
fe80f49b | 263 | dv->re_add = re_add; |
da6b5ca9 | 264 | dv->used = 0; |
9008ed1c | 265 | dv->content = NULL; |
0320ea45 NB |
266 | dv->next = NULL; |
267 | *devlistend = dv; | |
268 | devlistend = &dv->next; | |
aba69144 | 269 | |
0320ea45 NB |
270 | devs_found++; |
271 | continue; | |
272 | } | |
273 | /* No mode yet, and this is the second device ... */ | |
274 | fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n"); | |
275 | exit(2); | |
276 | } | |
e0d19036 | 277 | if (option_index >= 0) |
0320ea45 | 278 | fprintf(stderr, Name ": --%s", long_options[option_index].name); |
e0d19036 | 279 | else |
0320ea45 NB |
280 | fprintf(stderr, Name ": -%c", opt); |
281 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
e0d19036 NB |
282 | exit(2); |
283 | } | |
284 | ||
285 | /* if we just set the mode, then done */ | |
286 | switch(opt) { | |
287 | case '@': | |
288 | case '#': | |
289 | case 'A': | |
290 | case 'B': | |
291 | case 'C': | |
292 | case 'F': | |
dd0781e5 | 293 | case 'G': |
8382f19b | 294 | case 'I': |
1f48664b | 295 | case AutoDetect: |
e0d19036 NB |
296 | continue; |
297 | } | |
298 | if (opt == 1) { | |
299 | /* an undecorated option - must be a device name. | |
300 | */ | |
cd29a5c8 | 301 | if (devs_found > 0 && mode == '@' && !devmode) { |
dd0781e5 | 302 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
303 | exit(2); |
304 | } | |
e5329c37 NB |
305 | if (devs_found > 0 && mode == 'G' && !devmode) { |
306 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
307 | exit(2); | |
308 | } | |
cd29a5c8 NB |
309 | dv = malloc(sizeof(*dv)); |
310 | if (dv == NULL) { | |
311 | fprintf(stderr, Name ": malloc failed\n"); | |
312 | exit(3); | |
313 | } | |
314 | dv->devname = optarg; | |
315 | dv->disposition = devmode; | |
dfd4d8ee | 316 | dv->writemostly = writemostly; |
fe80f49b | 317 | dv->re_add = re_add; |
9008ed1c N |
318 | dv->used = 0; |
319 | dv->content = NULL; | |
cd29a5c8 NB |
320 | dv->next = NULL; |
321 | *devlistend = dv; | |
322 | devlistend = &dv->next; | |
aba69144 | 323 | |
52826846 NB |
324 | devs_found++; |
325 | continue; | |
682c7051 | 326 | } |
682c7051 | 327 | |
52826846 NB |
328 | /* We've got a mode, and opt is now something else which |
329 | * could depend on the mode */ | |
330 | #define O(a,b) ((a<<8)|b) | |
331 | switch (O(mode,opt)) { | |
e0d19036 NB |
332 | case O(CREATE,'c'): |
333 | case O(BUILD,'c'): /* chunk or rounding */ | |
52826846 NB |
334 | if (chunk) { |
335 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
336 | "Second value is %s.\n", optarg); | |
337 | exit(2); | |
338 | } | |
339 | chunk = strtol(optarg, &c, 10); | |
340 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
341 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
342 | optarg); | |
343 | exit(2); | |
344 | } | |
345 | continue; | |
64c4757e | 346 | |
589395d6 NB |
347 | case O(ASSEMBLE,AutoHomeHost): |
348 | auto_update_home = 1; | |
349 | continue; | |
8382f19b | 350 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
351 | case O(CREATE,'e'): |
352 | case O(ASSEMBLE,'e'): | |
353 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
354 | if (ss) { | |
355 | fprintf(stderr, Name ": metadata information already given\n"); | |
356 | exit(2); | |
357 | } | |
aba69144 | 358 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
359 | ss = superlist[i]->match_metadata_desc(optarg); |
360 | ||
f9ce90ba NB |
361 | if (!ss) { |
362 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
363 | exit(2); | |
364 | } | |
ea329559 | 365 | max_disks = ss->max_devs; |
f9ce90ba NB |
366 | continue; |
367 | ||
dfd4d8ee NB |
368 | case O(MANAGE,'W'): |
369 | case O(BUILD,'W'): | |
370 | case O(CREATE,'W'): | |
371 | /* set write-mostly for following devices */ | |
372 | writemostly = 1; | |
373 | continue; | |
374 | ||
b3d31955 N |
375 | case O(MANAGE,'w'): |
376 | /* clear write-mostly for following devices */ | |
377 | writemostly = 2; | |
378 | continue; | |
379 | ||
380 | ||
dd0781e5 | 381 | case O(GROW,'z'): |
25affb56 PC |
382 | case O(CREATE,'z'): |
383 | case O(BUILD,'z'): /* size */ | |
dd0781e5 | 384 | if (size >= 0) { |
52826846 NB |
385 | fprintf(stderr, Name ": size may only be specified once. " |
386 | "Second value is %s.\n", optarg); | |
387 | exit(2); | |
388 | } | |
dd0781e5 NB |
389 | if (strcmp(optarg, "max")==0) |
390 | size = 0; | |
391 | else { | |
5f4fc0e1 N |
392 | size = parse_size(optarg); |
393 | if (size < 8) { | |
dd0781e5 NB |
394 | fprintf(stderr, Name ": invalid size: %s\n", |
395 | optarg); | |
396 | exit(2); | |
397 | } | |
5f4fc0e1 N |
398 | /* convert sectors to K */ |
399 | size /= 2; | |
52826846 NB |
400 | } |
401 | continue; | |
64c4757e | 402 | |
84e11361 N |
403 | case O(GROW,'Z'): /* array size */ |
404 | if (array_size >= 0) { | |
405 | fprintf(stderr, Name ": array-size may only be specified once. " | |
406 | "Second value is %s.\n", optarg); | |
407 | exit(2); | |
408 | } | |
409 | if (strcmp(optarg, "max") == 0) | |
410 | array_size = 0; | |
411 | else { | |
412 | array_size = parse_size(optarg); | |
413 | if (array_size <= 0) { | |
414 | fprintf(stderr, Name ": invalid array size: %s\n", | |
415 | optarg); | |
416 | exit(2); | |
417 | } | |
418 | } | |
419 | continue; | |
420 | ||
b5e64645 | 421 | case O(GROW,'l'): /* hack - needed to understand layout */ |
e0d19036 NB |
422 | case O(CREATE,'l'): |
423 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 424 | if (level != UnSet) { |
52826846 NB |
425 | fprintf(stderr, Name ": raid level may only be set once. " |
426 | "Second value is %s.\n", optarg); | |
427 | exit(2); | |
428 | } | |
429 | level = map_name(pers, optarg); | |
98c6faba | 430 | if (level == UnSet) { |
52826846 NB |
431 | fprintf(stderr, Name ": invalid raid level: %s\n", |
432 | optarg); | |
433 | exit(2); | |
434 | } | |
b5e64645 | 435 | if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) { |
52826846 NB |
436 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", |
437 | optarg); | |
438 | exit(2); | |
439 | } | |
e0d19036 | 440 | if (sparedisks > 0 && level < 1 && level >= -1) { |
b83d95f3 | 441 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
442 | optarg); |
443 | exit(2); | |
444 | } | |
cd29a5c8 | 445 | ident.level = level; |
52826846 | 446 | continue; |
64c4757e | 447 | |
19678e53 N |
448 | case O(GROW, 'p'): /* new layout */ |
449 | if (layout_str) { | |
450 | fprintf(stderr,Name ": layout may only be sent once. " | |
451 | "Second value was %s\n", optarg); | |
452 | exit(2); | |
453 | } | |
454 | layout_str = optarg; | |
455 | /* 'Grow' will parse the value */ | |
456 | continue; | |
457 | ||
e0d19036 | 458 | case O(CREATE,'p'): /* raid5 layout */ |
b5e64645 | 459 | case O(BUILD,'p'): /* faulty layout */ |
e5329c37 | 460 | if (layout != UnSet) { |
52826846 NB |
461 | fprintf(stderr,Name ": layout may only be sent once. " |
462 | "Second value was %s\n", optarg); | |
463 | exit(2); | |
464 | } | |
465 | switch(level) { | |
466 | default: | |
56eb10c0 | 467 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", |
52826846 NB |
468 | map_num(pers, level)); |
469 | exit(2); | |
98c6faba | 470 | case UnSet: |
52826846 NB |
471 | fprintf(stderr, Name ": raid level must be given before layout.\n"); |
472 | exit(2); | |
473 | ||
474 | case 5: | |
475 | layout = map_name(r5layout, optarg); | |
98c6faba | 476 | if (layout==UnSet) { |
52826846 NB |
477 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", |
478 | optarg); | |
479 | exit(2); | |
480 | } | |
481 | break; | |
b640a252 N |
482 | case 6: |
483 | layout = map_name(r6layout, optarg); | |
484 | if (layout==UnSet) { | |
485 | fprintf(stderr, Name ": layout %s not understood for raid6.\n", | |
486 | optarg); | |
487 | exit(2); | |
488 | } | |
489 | break; | |
e5329c37 NB |
490 | |
491 | case 10: | |
4a06e2c2 N |
492 | layout = parse_layout_10(optarg); |
493 | if (layout < 0) { | |
b578481c | 494 | fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
495 | exit(2); |
496 | } | |
e5329c37 | 497 | break; |
19678e53 N |
498 | case LEVEL_FAULTY: |
499 | /* Faulty | |
500 | * modeNNN | |
501 | */ | |
4a06e2c2 N |
502 | layout = parse_layout_faulty(optarg); |
503 | if (layout == -1) { | |
b5e64645 NB |
504 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", |
505 | optarg); | |
506 | exit(2); | |
507 | } | |
4a06e2c2 | 508 | break; |
52826846 NB |
509 | } |
510 | continue; | |
511 | ||
997aed5d NB |
512 | case O(CREATE,AssumeClean): |
513 | case O(BUILD,AssumeClean): /* assume clean */ | |
dd0781e5 NB |
514 | assume_clean = 1; |
515 | continue; | |
516 | ||
517 | case O(GROW,'n'): | |
e0d19036 NB |
518 | case O(CREATE,'n'): |
519 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 520 | if (raiddisks) { |
b83d95f3 | 521 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", |
52826846 NB |
522 | raiddisks, optarg); |
523 | exit(2); | |
524 | } | |
525 | raiddisks = strtol(optarg, &c, 10); | |
e4c4352e | 526 | if (!optarg[0] || *c || raiddisks<=0) { |
b83d95f3 | 527 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", |
52826846 NB |
528 | optarg); |
529 | exit(2); | |
530 | } | |
cd29a5c8 | 531 | ident.raid_disks = raiddisks; |
52826846 NB |
532 | continue; |
533 | ||
e0d19036 | 534 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ |
52826846 | 535 | if (sparedisks) { |
b83d95f3 | 536 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", |
52826846 NB |
537 | sparedisks, optarg); |
538 | exit(2); | |
539 | } | |
98c6faba | 540 | if (level != UnSet && level <= 0 && level >= -1) { |
b83d95f3 | 541 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
542 | level); |
543 | exit(2); | |
544 | } | |
545 | sparedisks = strtol(optarg, &c, 10); | |
e4c4352e | 546 | if (!optarg[0] || *c || sparedisks < 0) { |
b83d95f3 | 547 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", |
52826846 NB |
548 | optarg); |
549 | exit(2); | |
550 | } | |
551 | continue; | |
dd0781e5 NB |
552 | |
553 | case O(CREATE,'a'): | |
554 | case O(BUILD,'a'): | |
95b79df0 | 555 | case O(INCREMENTAL,'a'): |
dd0781e5 | 556 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ |
f1ae21c4 | 557 | autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
558 | continue; |
559 | ||
38098016 NB |
560 | case O(CREATE,Symlinks): |
561 | case O(BUILD,Symlinks): | |
562 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
563 | symlinks = optarg; | |
564 | continue; | |
565 | ||
aa88f531 | 566 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
bd72c2b2 | 567 | case O(GROW,'f'): /* ditto */ |
e0d19036 NB |
568 | case O(CREATE,'f'): /* force honouring of device list */ |
569 | case O(ASSEMBLE,'f'): /* force assembly */ | |
570 | case O(MISC,'f'): /* force zero */ | |
52826846 NB |
571 | force=1; |
572 | continue; | |
573 | ||
574 | /* now for the Assemble options */ | |
3d3dd91e | 575 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 576 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 577 | if (ident.uuid_set) { |
cd29a5c8 | 578 | fprintf(stderr, Name ": uuid cannot be set twice. " |
52826846 NB |
579 | "Second value %s.\n", optarg); |
580 | exit(2); | |
581 | } | |
582 | if (parse_uuid(optarg, ident.uuid)) | |
583 | ident.uuid_set = 1; | |
584 | else { | |
585 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
586 | exit(2); | |
587 | } | |
588 | continue; | |
589 | ||
947fd4dd NB |
590 | case O(CREATE,'N'): |
591 | case O(ASSEMBLE,'N'): | |
592 | if (ident.name[0]) { | |
593 | fprintf(stderr, Name ": name cannot be set twice. " | |
594 | "Second value %s.\n", optarg); | |
595 | exit(2); | |
596 | } | |
597 | if (strlen(optarg) > 32) { | |
598 | fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n", | |
599 | optarg); | |
600 | exit(2); | |
601 | } | |
602 | strcpy(ident.name, optarg); | |
603 | continue; | |
604 | ||
e0d19036 | 605 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
98c6faba | 606 | if (ident.super_minor != UnSet) { |
cd29a5c8 NB |
607 | fprintf(stderr, Name ": super-minor cannot be set twice. " |
608 | "Second value: %s.\n", optarg); | |
609 | exit(2); | |
610 | } | |
d013a55e NB |
611 | if (strcmp(optarg, "dev")==0) |
612 | ident.super_minor = -2; | |
613 | else { | |
614 | ident.super_minor = strtoul(optarg, &cp, 10); | |
615 | if (!optarg[0] || *cp) { | |
616 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
617 | exit(2); | |
618 | } | |
cd29a5c8 NB |
619 | } |
620 | continue; | |
621 | ||
5787fa49 NB |
622 | case O(ASSEMBLE,'U'): /* update the superblock */ |
623 | if (update) { | |
624 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
625 | update, optarg); | |
626 | exit(2); | |
627 | } | |
628 | update = optarg; | |
aba69144 | 629 | if (strcmp(update, "sparc2.2")==0) |
e5329c37 | 630 | continue; |
5787fa49 NB |
631 | if (strcmp(update, "super-minor") == 0) |
632 | continue; | |
feb716e9 NB |
633 | if (strcmp(update, "summaries")==0) |
634 | continue; | |
e5329c37 NB |
635 | if (strcmp(update, "resync")==0) |
636 | continue; | |
7d99579f NB |
637 | if (strcmp(update, "uuid")==0) |
638 | continue; | |
c4f12c13 NB |
639 | if (strcmp(update, "name")==0) |
640 | continue; | |
0237e0ca NB |
641 | if (strcmp(update, "homehost")==0) |
642 | continue; | |
bee8ec56 NB |
643 | if (strcmp(update, "devicesize")==0) |
644 | continue; | |
586ed405 NB |
645 | if (strcmp(update, "byteorder")==0) { |
646 | if (ss) { | |
647 | fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n"); | |
648 | exit(2); | |
649 | } | |
aba69144 | 650 | for(i=0; !ss && superlist[i]; i++) |
586ed405 NB |
651 | ss = superlist[i]->match_metadata_desc("0.swap"); |
652 | if (!ss) { | |
653 | fprintf(stderr, Name ": INTERNAL ERROR cannot find 0.swap\n"); | |
654 | exit(2); | |
655 | } | |
656 | ||
657 | continue; | |
658 | } | |
0047d254 NB |
659 | if (strcmp(update,"?") == 0 || |
660 | strcmp(update, "help") == 0) { | |
661 | outf = stdout; | |
662 | fprintf(outf, Name ": "); | |
663 | } else { | |
664 | outf = stderr; | |
665 | fprintf(outf, | |
666 | Name ": '--update=%s' is invalid. ", | |
667 | update); | |
668 | } | |
669 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 NB |
670 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
671 | " 'summaries', 'homehost', 'byteorder', 'devicesize'.\n"); | |
0047d254 | 672 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 673 | |
fdb482f9 | 674 | case O(INCREMENTAL,NoDegraded): |
997aed5d | 675 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
0047d254 NB |
676 | runstop = -1; /* --stop isn't allowed for --assemble, |
677 | * so we overload slightly */ | |
b8a8ccf9 NB |
678 | continue; |
679 | ||
e0d19036 | 680 | case O(ASSEMBLE,'c'): /* config file */ |
7b187ed7 | 681 | case O(INCREMENTAL, 'c'): |
2d465520 | 682 | case O(MISC, 'c'): |
e0d19036 | 683 | case O(MONITOR,'c'): |
52826846 NB |
684 | if (configfile) { |
685 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
686 | "Second value is %s.\n", optarg); | |
687 | exit(2); | |
688 | } | |
689 | configfile = optarg; | |
8aec876d | 690 | set_conffile(configfile); |
52826846 NB |
691 | /* FIXME possibly check that config file exists. Even parse it */ |
692 | continue; | |
e0d19036 NB |
693 | case O(ASSEMBLE,'s'): /* scan */ |
694 | case O(MISC,'s'): | |
695 | case O(MONITOR,'s'): | |
8382f19b | 696 | case O(INCREMENTAL,'s'): |
52826846 NB |
697 | scan = 1; |
698 | continue; | |
699 | ||
e0d19036 | 700 | case O(MONITOR,'m'): /* mail address */ |
52826846 NB |
701 | if (mailaddr) |
702 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
703 | optarg); | |
704 | else | |
705 | mailaddr = optarg; | |
706 | continue; | |
707 | ||
e0d19036 | 708 | case O(MONITOR,'p'): /* alert program */ |
52826846 NB |
709 | if (program) |
710 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
711 | optarg); | |
712 | else | |
713 | program = optarg; | |
714 | continue; | |
64c4757e | 715 | |
e0d19036 | 716 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 717 | case O(GROW, 'd'): |
c82f047c NB |
718 | case O(BUILD,'d'): /* delay for bitmap updates */ |
719 | case O(CREATE,'d'): | |
52826846 NB |
720 | if (delay) |
721 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
722 | optarg); | |
723 | else { | |
724 | delay = strtol(optarg, &c, 10); | |
725 | if (!optarg[0] || *c || delay<1) { | |
726 | fprintf(stderr, Name ": invalid delay: %s\n", | |
727 | optarg); | |
728 | exit(2); | |
729 | } | |
730 | } | |
731 | continue; | |
d013a55e NB |
732 | case O(MONITOR,'f'): /* daemonise */ |
733 | daemonise = 1; | |
734 | continue; | |
b5e64645 NB |
735 | case O(MONITOR,'i'): /* pid */ |
736 | if (pidfile) | |
737 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
738 | optarg); | |
739 | else | |
740 | pidfile = optarg; | |
741 | continue; | |
aa88f531 NB |
742 | case O(MONITOR,'1'): /* oneshot */ |
743 | oneshot = 1; | |
744 | continue; | |
98c6faba NB |
745 | case O(MONITOR,'t'): /* test */ |
746 | test = 1; | |
747 | continue; | |
773135f5 | 748 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 749 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
750 | dosyslog = 1; |
751 | continue; | |
52826846 NB |
752 | |
753 | /* now the general management options. Some are applicable | |
754 | * to other modes. None have arguments. | |
755 | */ | |
e5329c37 | 756 | case O(GROW,'a'): |
dd0781e5 | 757 | case O(MANAGE,'a'): /* add a drive */ |
52826846 | 758 | devmode = 'a'; |
fe80f49b NB |
759 | re_add = 0; |
760 | continue; | |
997aed5d | 761 | case O(MANAGE,ReAdd): |
fe80f49b NB |
762 | devmode = 'a'; |
763 | re_add = 1; | |
52826846 | 764 | continue; |
e0d19036 | 765 | case O(MANAGE,'r'): /* remove a drive */ |
52826846 NB |
766 | devmode = 'r'; |
767 | continue; | |
e0d19036 | 768 | case O(MANAGE,'f'): /* set faulty */ |
52826846 NB |
769 | devmode = 'f'; |
770 | continue; | |
8382f19b | 771 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
772 | case O(MANAGE,'R'): |
773 | case O(ASSEMBLE,'R'): | |
774 | case O(BUILD,'R'): | |
775 | case O(CREATE,'R'): /* Run the array */ | |
52826846 NB |
776 | if (runstop < 0) { |
777 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
778 | exit(2); | |
779 | } | |
780 | runstop = 1; | |
781 | continue; | |
e0d19036 | 782 | case O(MANAGE,'S'): |
52826846 NB |
783 | if (runstop > 0) { |
784 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
785 | exit(2); | |
786 | } | |
787 | runstop = -1; | |
788 | continue; | |
789 | ||
e0d19036 NB |
790 | case O(MISC,'Q'): |
791 | case O(MISC,'D'): | |
792 | case O(MISC,'E'): | |
793 | case O(MISC,'K'): | |
794 | case O(MISC,'R'): | |
795 | case O(MISC,'S'): | |
c82f047c | 796 | case O(MISC,'X'): |
e0d19036 NB |
797 | case O(MISC,'o'): |
798 | case O(MISC,'w'): | |
b90c0e9a | 799 | case O(MISC,'W'): |
1770662b | 800 | case O(MISC, Waitclean): |
4cce4069 | 801 | case O(MISC, DetailPlatform): |
e0d19036 NB |
802 | if (devmode && devmode != opt && |
803 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
804 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
805 | devmode =='E'?opt:devmode); | |
806 | exit(2); | |
807 | } | |
808 | devmode = opt; | |
809 | continue; | |
feb716e9 NB |
810 | case O(MISC,'t'): |
811 | test = 1; | |
812 | continue; | |
e0d19036 | 813 | |
997aed5d | 814 | case O(MISC, Sparc22): |
bd526cee NB |
815 | if (devmode != 'E') { |
816 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
817 | exit(2); | |
818 | } | |
819 | SparcAdjust = 1; | |
820 | continue; | |
c82f047c NB |
821 | |
822 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
823 | if (!optarg) { | |
824 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
825 | exit(2); | |
826 | } | |
55935d51 NB |
827 | if (strcmp(optarg, "internal")==0) { |
828 | fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); | |
829 | continue; | |
830 | } | |
c82f047c NB |
831 | bitmap_fd = open(optarg, O_RDWR); |
832 | if (!*optarg || bitmap_fd < 0) { | |
833 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
834 | exit(2); | |
835 | } | |
836 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
837 | continue; | |
f5e166fe | 838 | |
997aed5d NB |
839 | case O(ASSEMBLE, BackupFile): |
840 | case O(GROW, BackupFile): | |
06b0d786 NB |
841 | /* Specify a file into which grow might place a backup, |
842 | * or from which assemble might recover a backup | |
843 | */ | |
844 | if (backup_file) { | |
845 | fprintf(stderr, Name ": backup file already specified, rejecting %s\n", optarg); | |
846 | exit(2); | |
847 | } | |
848 | backup_file = optarg; | |
849 | continue; | |
850 | ||
c82f047c NB |
851 | case O(BUILD,'b'): |
852 | case O(CREATE,'b'): /* here we create the bitmap */ | |
85375d6d NB |
853 | if (strcmp(optarg, "none") == 0) { |
854 | fprintf(stderr, Name ": '--bitmap none' only" | |
855 | " support for --grow\n"); | |
856 | exit(2); | |
857 | } | |
858 | /* FALL THROUGH */ | |
859 | case O(GROW,'b'): | |
1e0d770c NB |
860 | if (strcmp(optarg, "internal")== 0 || |
861 | strcmp(optarg, "none")== 0 || | |
862 | strchr(optarg, '/') != NULL) { | |
863 | bitmap_file = optarg; | |
864 | continue; | |
865 | } | |
866 | /* probable typo */ | |
867 | fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n"); | |
868 | exit(2); | |
c82f047c | 869 | |
997aed5d NB |
870 | case O(GROW,BitmapChunk): |
871 | case O(BUILD,BitmapChunk): | |
872 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
c82f047c NB |
873 | bitmap_chunk = strtol(optarg, &c, 10); |
874 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
875 | bitmap_chunk & (bitmap_chunk - 1)) { | |
876 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
877 | optarg); | |
878 | exit(2); | |
879 | } | |
880 | /* convert K to B, chunk of 0K means 512B */ | |
881 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
882 | continue; | |
dfd4d8ee | 883 | |
7d19ad0d | 884 | case O(GROW, WriteBehind): |
997aed5d NB |
885 | case O(BUILD, WriteBehind): |
886 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
dfd4d8ee NB |
887 | write_behind = DEFAULT_MAX_WRITE_BEHIND; |
888 | if (optarg) { | |
889 | write_behind = strtol(optarg, &c, 10); | |
890 | if (write_behind < 0 || *c || | |
891 | write_behind > 16383) { | |
892 | fprintf(stderr, Name ": Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); | |
893 | exit(2); | |
894 | } | |
895 | } | |
896 | continue; | |
8382f19b NB |
897 | |
898 | case O(INCREMENTAL, 'r'): | |
899 | rebuild_map = 1; | |
900 | continue; | |
52826846 NB |
901 | } |
902 | /* We have now processed all the valid options. Anything else is | |
903 | * an error | |
904 | */ | |
06b0d786 NB |
905 | if (option_index > 0) |
906 | fprintf(stderr, Name ":option --%s not valid in %s mode\n", | |
907 | long_options[option_index].name, | |
908 | map_num(modes, mode)); | |
909 | else | |
910 | fprintf(stderr, Name ": option -%c not valid in %s mode\n", | |
911 | opt, map_num(modes, mode)); | |
64c4757e | 912 | exit(2); |
52826846 NB |
913 | |
914 | } | |
915 | ||
3d4064cc NB |
916 | if (print_help) { |
917 | char *help_text = Help; | |
918 | if (print_help == 2) | |
919 | help_text = OptionHelp; | |
920 | else | |
921 | switch (mode) { | |
922 | case ASSEMBLE : help_text = Help_assemble; break; | |
923 | case BUILD : help_text = Help_build; break; | |
924 | case CREATE : help_text = Help_create; break; | |
925 | case MANAGE : help_text = Help_manage; break; | |
926 | case MISC : help_text = Help_misc; break; | |
927 | case MONITOR : help_text = Help_monitor; break; | |
928 | case GROW : help_text = Help_grow; break; | |
8382f19b | 929 | case INCREMENTAL:help_text= Help_incr; break; |
3d4064cc | 930 | } |
0047d254 | 931 | fputs(help_text,stdout); |
3d4064cc NB |
932 | exit(0); |
933 | } | |
934 | ||
0320ea45 NB |
935 | if (!mode && devs_found) { |
936 | mode = MISC; | |
937 | devmode = 'Q'; | |
938 | if (devlist->disposition == 0) | |
939 | devlist->disposition = devmode; | |
940 | } | |
52826846 NB |
941 | if (!mode) { |
942 | fputs(Usage, stderr); | |
64c4757e | 943 | exit(2); |
64c4757e | 944 | } |
38098016 NB |
945 | |
946 | if (symlinks) { | |
947 | struct createinfo *ci = conf_get_create_info(); | |
948 | ||
949 | if (strcasecmp(symlinks, "yes") == 0) | |
950 | ci->symlinks = 1; | |
951 | else if (strcasecmp(symlinks, "no") == 0) | |
952 | ci->symlinks = 0; | |
953 | else { | |
954 | fprintf(stderr, Name ": option --symlinks must be 'no' or 'yes'\n"); | |
955 | exit(2); | |
956 | } | |
957 | } | |
52826846 NB |
958 | /* Ok, got the option parsing out of the way |
959 | * hopefully it's mostly right but there might be some stuff | |
960 | * missing | |
961 | * | |
e0d19036 | 962 | * That is mosty checked in the per-mode stuff but... |
52826846 NB |
963 | * |
964 | * For @,B,C and A without -s, the first device listed must be an md device | |
965 | * we check that here and open it. | |
64c4757e | 966 | */ |
52826846 | 967 | |
dd0781e5 NB |
968 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || |
969 | (mode == ASSEMBLE && ! scan)) { | |
52826846 NB |
970 | if (devs_found < 1) { |
971 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
972 | exit(2); | |
973 | } | |
dd0781e5 | 974 | if ((int)ident.super_minor == -2 && autof) { |
aba69144 | 975 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
976 | exit(2); |
977 | } | |
7f91af49 | 978 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 979 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
980 | if (mdfd < 0) |
981 | exit(1); | |
982 | } else | |
983 | /* non-existent device is OK */ | |
984 | mdfd = open_mddev(devlist->devname, 0); | |
985 | if (mdfd == -2) { | |
986 | fprintf(stderr, Name ": device %s exists but is not an " | |
987 | "md array.\n", devlist->devname); | |
52826846 | 988 | exit(1); |
7f91af49 | 989 | } |
98c6faba | 990 | if ((int)ident.super_minor == -2) { |
d013a55e | 991 | struct stat stb; |
7f91af49 N |
992 | if (mdfd < 0) { |
993 | fprintf(stderr, Name ": --super-minor=dev given, and " | |
994 | "listed device %s doesn't exist.\n", | |
995 | devlist->devname); | |
996 | exit(1); | |
997 | } | |
d013a55e | 998 | fstat(mdfd, &stb); |
0df46c2a | 999 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1000 | } |
7f91af49 N |
1001 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1002 | /* We don't really want this open yet, we just might | |
1003 | * have wanted to check some things | |
1004 | */ | |
1005 | close(mdfd); | |
1006 | mdfd = -1; | |
1007 | } | |
64c4757e | 1008 | } |
52826846 | 1009 | |
e4c4352e NB |
1010 | if (raiddisks) { |
1011 | if (raiddisks > max_disks) { | |
6fbba4c9 NB |
1012 | fprintf(stderr, Name ": invalid number of raid devices: %d\n", |
1013 | raiddisks); | |
e4c4352e NB |
1014 | exit(2); |
1015 | } | |
1016 | if (raiddisks == 1 && !force && level != -5) { | |
1017 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
1018 | " a mistake. If you really mean it you will need to specify --force before\n" | |
1019 | " setting the number of drives.\n"); | |
1020 | exit(2); | |
1021 | } | |
1022 | } | |
1023 | if (sparedisks) { | |
1024 | if ( sparedisks > max_disks - raiddisks) { | |
6fbba4c9 NB |
1025 | fprintf(stderr, Name ": invalid number of spare-devices: %d\n", |
1026 | sparedisks); | |
e4c4352e NB |
1027 | exit(2); |
1028 | } | |
1029 | } | |
c82f047c | 1030 | |
997aed5d | 1031 | if (homehost == NULL) |
0ac91628 | 1032 | homehost = conf_get_homehost(&require_homehost); |
9180c81b | 1033 | if (homehost == NULL || strcmp(homehost, "<system>")==0) { |
05697ec1 NB |
1034 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1035 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
1036 | homehost = sys_hostname; | |
1037 | } | |
1038 | } | |
997aed5d | 1039 | |
7f91af49 N |
1040 | ident.autof = autof; |
1041 | ||
52826846 NB |
1042 | rv = 0; |
1043 | switch(mode) { | |
e0d19036 | 1044 | case MANAGE: |
52826846 NB |
1045 | /* readonly, add/remove, readwrite, runstop */ |
1046 | if (readonly>0) | |
cd29a5c8 | 1047 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1048 | if (!rv && devs_found>1) |
cd29a5c8 | 1049 | rv = Manage_subdevs(devlist->devname, mdfd, |
dab6685f | 1050 | devlist->next, verbose-quiet); |
52826846 | 1051 | if (!rv && readonly < 0) |
cd29a5c8 | 1052 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1053 | if (!rv && runstop) |
ab56093f | 1054 | rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet); |
52826846 | 1055 | break; |
e0d19036 | 1056 | case ASSEMBLE: |
d013a55e | 1057 | if (devs_found == 1 && ident.uuid_set == 0 && |
947fd4dd | 1058 | ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) { |
d013a55e | 1059 | /* Only a device has been given, so get details from config file */ |
8aec876d | 1060 | mddev_ident_t array_ident = conf_get_ident(devlist->devname); |
b5e64645 NB |
1061 | if (array_ident == NULL) { |
1062 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
1063 | devlist->devname); | |
d013a55e | 1064 | rv |= 1; |
7f91af49 N |
1065 | if (mdfd >= 0) |
1066 | close(mdfd); | |
b5e64645 | 1067 | } else { |
7f91af49 N |
1068 | if (array_ident->autof == 0) |
1069 | array_ident->autof = autof; | |
1070 | rv |= Assemble(ss, devlist->devname, array_ident, | |
1071 | NULL, backup_file, | |
0ac91628 N |
1072 | readonly, runstop, update, |
1073 | homehost, require_homehost, | |
1074 | verbose-quiet, force); | |
d013a55e NB |
1075 | } |
1076 | } else if (!scan) | |
7f91af49 | 1077 | rv = Assemble(ss, devlist->devname, &ident, |
06b0d786 | 1078 | devlist->next, backup_file, |
0ac91628 N |
1079 | readonly, runstop, update, |
1080 | homehost, require_homehost, | |
1081 | verbose-quiet, force); | |
5787fa49 NB |
1082 | else if (devs_found>0) { |
1083 | if (update && devs_found > 1) { | |
1084 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
1085 | exit(1); | |
1086 | } | |
06b0d786 NB |
1087 | if (backup_file && devs_found > 1) { |
1088 | fprintf(stderr, Name ": can only assemble a single array when providing a backup file.\n"); | |
1089 | exit(1); | |
1090 | } | |
cd29a5c8 | 1091 | for (dv = devlist ; dv ; dv=dv->next) { |
8aec876d | 1092 | mddev_ident_t array_ident = conf_get_ident(dv->devname); |
52826846 NB |
1093 | if (array_ident == NULL) { |
1094 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
cd29a5c8 | 1095 | dv->devname); |
52826846 NB |
1096 | rv |= 1; |
1097 | continue; | |
1098 | } | |
7f91af49 N |
1099 | if (array_ident->autof == 0) |
1100 | array_ident->autof = autof; | |
1101 | rv |= Assemble(ss, dv->devname, array_ident, | |
06b0d786 | 1102 | NULL, backup_file, |
0ac91628 N |
1103 | readonly, runstop, update, |
1104 | homehost, require_homehost, | |
1105 | verbose-quiet, force); | |
52826846 | 1106 | } |
5787fa49 | 1107 | } else { |
8aec876d NB |
1108 | mddev_ident_t array_list = conf_get_ident(NULL); |
1109 | mddev_dev_t devlist = conf_get_devs(); | |
da6b5ca9 NB |
1110 | int cnt = 0; |
1111 | if (devlist == NULL) { | |
1112 | fprintf(stderr, Name ": No devices listed in conf file were found.\n"); | |
1113 | exit(1); | |
1114 | } | |
1115 | if (update) { | |
1116 | fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n"); | |
1117 | exit(1); | |
1118 | } | |
1119 | if (backup_file) { | |
1120 | fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n"); | |
1121 | exit(1); | |
1122 | } | |
1123 | for (; array_list; array_list = array_list->next) { | |
112cace6 N |
1124 | if (array_list->devname && |
1125 | strcasecmp(array_list->devname, "<ignore>") == 0) | |
1126 | continue; | |
7f91af49 N |
1127 | if (array_list->autof == 0) |
1128 | array_list->autof = autof; | |
1129 | ||
1130 | rv |= Assemble(ss, array_list->devname, | |
1131 | array_list, | |
1132 | NULL, NULL, | |
0ac91628 N |
1133 | readonly, runstop, NULL, |
1134 | homehost, require_homehost, | |
1135 | verbose-quiet, force); | |
a30b2ecd | 1136 | cnt++; |
da6b5ca9 | 1137 | } |
a30b2ecd | 1138 | if (homehost && cnt == 0) { |
da6b5ca9 | 1139 | /* Maybe we can auto-assemble something. |
7f91af49 | 1140 | * Repeatedly call Assemble in auto-assemble mode |
da6b5ca9 NB |
1141 | * until it fails |
1142 | */ | |
1143 | int rv2; | |
d55e3aef NB |
1144 | int acnt; |
1145 | ident.autof = autof; | |
da6b5ca9 | 1146 | do { |
1c203a4b | 1147 | mddev_dev_t devlist = conf_get_devs(); |
d55e3aef NB |
1148 | acnt = 0; |
1149 | do { | |
7f91af49 | 1150 | rv2 = Assemble(ss, NULL, |
8aec876d | 1151 | &ident, |
1c203a4b | 1152 | devlist, NULL, |
0ac91628 N |
1153 | readonly, runstop, NULL, |
1154 | homehost, require_homehost, | |
1155 | verbose-quiet, force); | |
d55e3aef NB |
1156 | if (rv2==0) { |
1157 | cnt++; | |
1158 | acnt++; | |
1159 | } | |
589395d6 NB |
1160 | if (rv2 == 1) |
1161 | /* found something so even though assembly failed we | |
1162 | * want to avoid auto-updates | |
1163 | */ | |
1164 | auto_update_home = 0; | |
d55e3aef NB |
1165 | } while (rv2!=2); |
1166 | /* Incase there are stacked devices, we need to go around again */ | |
d55e3aef | 1167 | } while (acnt); |
589395d6 NB |
1168 | if (cnt == 0 && auto_update_home && homehost) { |
1169 | /* Nothing found, maybe we need to bootstrap homehost info */ | |
1170 | do { | |
1171 | acnt = 0; | |
1172 | do { | |
7f91af49 | 1173 | rv2 = Assemble(ss, NULL, |
8aec876d | 1174 | &ident, |
43f2372a | 1175 | NULL, NULL, |
0ac91628 N |
1176 | readonly, runstop, "homehost", |
1177 | homehost, require_homehost, | |
1178 | verbose-quiet, force); | |
589395d6 NB |
1179 | if (rv2==0) { |
1180 | cnt++; | |
1181 | acnt++; | |
1182 | } | |
1183 | } while (rv2!=2); | |
1184 | /* Incase there are stacked devices, we need to go around again */ | |
589395d6 NB |
1185 | } while (acnt); |
1186 | } | |
da6b5ca9 NB |
1187 | if (cnt == 0 && rv == 0) { |
1188 | fprintf(stderr, Name ": No arrays found in config file or automatically\n"); | |
1189 | rv = 1; | |
1c203a4b NB |
1190 | } else if (cnt) |
1191 | rv = 0; | |
da6b5ca9 NB |
1192 | } else if (cnt == 0 && rv == 0) { |
1193 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
1194 | rv = 1; | |
1195 | } | |
52826846 NB |
1196 | } |
1197 | break; | |
e0d19036 | 1198 | case BUILD: |
c82f047c | 1199 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1200 | if (write_behind && !bitmap_file) { |
1201 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1202 | rv = 1; | |
1203 | break; | |
1204 | } | |
5b28bd56 | 1205 | if (raiddisks == 0) { |
e5669f40 | 1206 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1207 | rv = 1; |
1208 | break; | |
1209 | } | |
dfd4d8ee | 1210 | |
c82f047c | 1211 | if (bitmap_file) { |
55935d51 NB |
1212 | if (strcmp(bitmap_file, "internal")==0) { |
1213 | fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n"); | |
1214 | rv |= 1; | |
1215 | break; | |
1216 | } | |
c82f047c | 1217 | } |
7f91af49 | 1218 | rv = Build(devlist->devname, chunk, level, layout, |
c82f047c | 1219 | raiddisks, devlist->next, assume_clean, |
7f91af49 | 1220 | bitmap_file, bitmap_chunk, write_behind, |
83208785 | 1221 | delay, verbose-quiet, autof, size); |
52826846 | 1222 | break; |
e0d19036 | 1223 | case CREATE: |
c82f047c | 1224 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1225 | if (write_behind && !bitmap_file) { |
1226 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1227 | rv = 1; | |
1228 | break; | |
1229 | } | |
5b28bd56 | 1230 | if (raiddisks == 0) { |
e5669f40 | 1231 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1232 | rv = 1; |
1233 | break; | |
1234 | } | |
f9ce90ba | 1235 | |
7f91af49 | 1236 | rv = Create(ss, devlist->devname, chunk, level, layout, size<0 ? 0 : size, |
05697ec1 | 1237 | raiddisks, sparedisks, ident.name, homehost, |
3d3dd91e | 1238 | ident.uuid_set ? ident.uuid : NULL, |
47d79ef8 | 1239 | devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean, |
7f91af49 | 1240 | bitmap_file, bitmap_chunk, write_behind, delay, autof); |
52826846 | 1241 | break; |
e0d19036 | 1242 | case MISC: |
e0d19036 NB |
1243 | if (devmode == 'E') { |
1244 | if (devlist == NULL && !scan) { | |
1245 | fprintf(stderr, Name ": No devices to examine\n"); | |
1246 | exit(2); | |
1247 | } | |
1248 | if (devlist == NULL) | |
8aec876d | 1249 | devlist = conf_get_devs(); |
e0d19036 | 1250 | if (devlist == NULL) { |
c913b90e | 1251 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1252 | exit(1); |
1253 | } | |
e843d5d7 NB |
1254 | if (brief && verbose) |
1255 | brief = 2; | |
0d726f17 KS |
1256 | rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, |
1257 | export, scan, | |
1258 | SparcAdjust, ss, homehost); | |
4cce4069 DW |
1259 | } else if (devmode == DetailPlatform) { |
1260 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? scan : 1, verbose); | |
e0d19036 NB |
1261 | } else { |
1262 | if (devlist == NULL) { | |
fabbfd48 DW |
1263 | if ((devmode=='D' || devmode == Waitclean) && scan) { |
1264 | /* apply --detail or --wait-clean to | |
1265 | * all devices in /proc/mdstat | |
1266 | */ | |
22a88995 | 1267 | struct mdstat_ent *ms = mdstat_read(0, 1); |
e0d19036 | 1268 | struct mdstat_ent *e; |
35904960 | 1269 | struct map_ent *map = NULL; |
fabbfd48 DW |
1270 | int v = verbose>1?0:verbose+1; |
1271 | ||
e0d19036 | 1272 | for (e=ms ; e ; e=e->next) { |
35904960 N |
1273 | char *name; |
1274 | struct map_ent *me; | |
1275 | me = map_by_devnum(&map, e->devnum); | |
8615dcff N |
1276 | if (me && me->path |
1277 | && strcmp(me->path, "/unknown") != 0) | |
35904960 N |
1278 | name = me->path; |
1279 | else | |
1280 | name = get_md_name(e->devnum); | |
e0d19036 NB |
1281 | |
1282 | if (!name) { | |
1283 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1284 | e->dev); | |
1285 | continue; | |
1286 | } | |
fabbfd48 DW |
1287 | if (devmode == 'D') |
1288 | rv |= Detail(name, v, | |
1289 | export, test, | |
1290 | homehost); | |
1291 | else | |
1292 | rv |= WaitClean(name, v); | |
91f068bf NB |
1293 | put_md_name(name); |
1294 | } | |
89a10d84 | 1295 | free_mdstat(ms); |
91f068bf NB |
1296 | } else if (devmode == 'S' && scan) { |
1297 | /* apply --stop to all devices in /proc/mdstat */ | |
1298 | /* Due to possible stacking of devices, repeat until | |
1299 | * nothing more can be stopped | |
1300 | */ | |
1301 | int progress=1, err; | |
1302 | int last = 0; | |
1303 | do { | |
22a88995 | 1304 | struct mdstat_ent *ms = mdstat_read(0, 0); |
91f068bf NB |
1305 | struct mdstat_ent *e; |
1306 | ||
1307 | if (!progress) last = 1; | |
1308 | progress = 0; err = 0; | |
1309 | for (e=ms ; e ; e=e->next) { | |
1310 | char *name = get_md_name(e->devnum); | |
1311 | ||
1312 | if (!name) { | |
1313 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1314 | e->dev); | |
1315 | continue; | |
1316 | } | |
6be1d39d | 1317 | mdfd = open_mddev(name, 1); |
43fc1676 | 1318 | if (mdfd >= 0) { |
ab56093f | 1319 | if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1)) |
91f068bf NB |
1320 | err = 1; |
1321 | else | |
1322 | progress = 1; | |
43fc1676 NB |
1323 | close(mdfd); |
1324 | } | |
91f068bf NB |
1325 | |
1326 | put_md_name(name); | |
e0d19036 | 1327 | } |
89a10d84 | 1328 | free_mdstat(ms); |
91f068bf | 1329 | } while (!last && err); |
f9c25f1d | 1330 | if (err) rv |= 1; |
91f068bf | 1331 | } else { |
e0d19036 NB |
1332 | fprintf(stderr, Name ": No devices given.\n"); |
1333 | exit(2); | |
1334 | } | |
1335 | } | |
1336 | for (dv=devlist ; dv; dv=dv->next) { | |
1337 | switch(dv->disposition) { | |
1338 | case 'D': | |
54bad364 KS |
1339 | rv |= Detail(dv->devname, |
1340 | brief?1+verbose:0, | |
1341 | export, test, homehost); | |
1342 | continue; | |
e0d19036 | 1343 | case 'K': /* Zero superblock */ |
111d01fc NB |
1344 | rv |= Kill(dv->devname, force, quiet,0); |
1345 | continue; | |
e0d19036 NB |
1346 | case 'Q': |
1347 | rv |= Query(dv->devname); continue; | |
c82f047c | 1348 | case 'X': |
55935d51 | 1349 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; |
b90c0e9a NB |
1350 | case 'W': |
1351 | rv |= Wait(dv->devname); continue; | |
1770662b | 1352 | case Waitclean: |
27dec8fa | 1353 | rv |= WaitClean(dv->devname, verbose-quiet); continue; |
e0d19036 | 1354 | } |
6be1d39d | 1355 | mdfd = open_mddev(dv->devname, 1); |
43fc1676 | 1356 | if (mdfd>=0) { |
e0d19036 NB |
1357 | switch(dv->disposition) { |
1358 | case 'R': | |
ab56093f | 1359 | rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break; |
e0d19036 | 1360 | case 'S': |
ab56093f | 1361 | rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break; |
e0d19036 NB |
1362 | case 'o': |
1363 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1364 | case 'w': | |
1365 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1366 | } | |
43fc1676 | 1367 | close(mdfd); |
7f48e210 NB |
1368 | } else |
1369 | rv |= 1; | |
e0d19036 | 1370 | } |
cd29a5c8 | 1371 | } |
9a9dab36 | 1372 | break; |
e0d19036 | 1373 | case MONITOR: |
e0d19036 NB |
1374 | if (!devlist && !scan) { |
1375 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
1376 | rv = 1; | |
1377 | break; | |
1378 | } | |
b5e64645 NB |
1379 | if (pidfile && !daemonise) { |
1380 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
1381 | rv = 1; | |
1382 | break; | |
1383 | } | |
d013a55e | 1384 | rv= Monitor(devlist, mailaddr, program, |
773135f5 | 1385 | delay?delay:60, daemonise, scan, oneshot, |
8aec876d | 1386 | dosyslog, test, pidfile); |
9a9dab36 | 1387 | break; |
dd0781e5 NB |
1388 | |
1389 | case GROW: | |
84e11361 N |
1390 | if (array_size >= 0) { |
1391 | /* alway impose array size first, independent of | |
1392 | * anything else | |
1393 | */ | |
1394 | struct mdinfo sra; | |
1395 | int err; | |
1396 | sysfs_init(&sra, mdfd, 0); | |
1397 | if (array_size == 0) | |
1398 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); | |
1399 | else | |
1400 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1401 | if (err < 0) { | |
1402 | if (errno == E2BIG) | |
1403 | fprintf(stderr, Name ": --array-size setting" | |
1404 | " is too large.\n"); | |
1405 | else | |
1406 | fprintf(stderr, Name ": current kernel does" | |
1407 | " not support setting --array-size\n"); | |
1408 | rv = 1; | |
1409 | break; | |
1410 | } | |
1411 | } | |
dd0781e5 | 1412 | if (devs_found > 1) { |
aba69144 | 1413 | |
e5329c37 NB |
1414 | /* must be '-a'. */ |
1415 | if (size >= 0 || raiddisks) { | |
1416 | fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n"); | |
1417 | rv = 1; | |
1418 | break; | |
1419 | } | |
1420 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1421 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1422 | if (rv) | |
1423 | break; | |
1424 | } | |
19678e53 | 1425 | } else if ((size >= 0) + (raiddisks != 0) + (layout_str != NULL) + (bitmap_file != NULL)> 1) { |
f5e166fe | 1426 | fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n"); |
dd0781e5 NB |
1427 | rv = 1; |
1428 | break; | |
19678e53 | 1429 | } else if (size >= 0 || raiddisks || layout_str != NULL) |
06b0d786 | 1430 | rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file, |
19678e53 | 1431 | size, level, layout_str, chunk, raiddisks); |
f5e166fe NB |
1432 | else if (bitmap_file) { |
1433 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
1434 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, | |
8fac0577 | 1435 | bitmap_chunk, delay, write_behind, force); |
84e11361 | 1436 | } else if (array_size < 0) |
b5e64645 | 1437 | fprintf(stderr, Name ": no changes to --grow\n"); |
dd0781e5 | 1438 | break; |
8382f19b NB |
1439 | case INCREMENTAL: |
1440 | if (rebuild_map) { | |
1441 | RebuildMap(); | |
1442 | } | |
1443 | if (scan) { | |
1444 | if (runstop <= 0) { | |
1445 | fprintf(stderr, Name | |
1446 | ": --incremental --scan meaningless without --run.\n"); | |
1447 | break; | |
1448 | } | |
1449 | rv = IncrementalScan(verbose); | |
1450 | } | |
1451 | if (!devlist) { | |
1452 | if (!rebuild_map && !scan) { | |
1453 | fprintf(stderr, Name | |
1454 | ": --incremental requires a device.\n"); | |
1455 | rv = 1; | |
1456 | } | |
1457 | break; | |
1458 | } | |
1459 | if (devlist->next) { | |
1460 | fprintf(stderr, Name | |
1461 | ": --incremental can only handle one device.\n"); | |
1462 | rv = 1; | |
1463 | break; | |
1464 | } | |
1465 | rv = Incremental(devlist->devname, verbose-quiet, runstop, | |
0ac91628 | 1466 | ss, homehost, require_homehost, autof); |
1f48664b NB |
1467 | break; |
1468 | case AUTODETECT: | |
1469 | autodetect(); | |
1470 | break; | |
64c4757e | 1471 | } |
52826846 | 1472 | exit(rv); |
64c4757e | 1473 | } |