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1 | /* | |
2 | * mdadm - manage Linux "md" devices aka RAID arrays. | |
3 | * | |
4 | * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au> | |
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 | |
28 | * | |
29 | * Additions for bitmap and async RAID options, Copyright (C) 2003-2004, | |
30 | * Paul Clements, SteelEye Technology, Inc. | |
31 | */ | |
32 | ||
33 | #include "mdadm.h" | |
34 | #include "md_p.h" | |
35 | #include <ctype.h> | |
36 | ||
37 | ||
38 | int main(int argc, char *argv[]) | |
39 | { | |
40 | int mode = 0; | |
41 | int opt; | |
42 | int option_index; | |
43 | char *help_text; | |
44 | char *c; | |
45 | int rv; | |
46 | int i; | |
47 | ||
48 | int chunk = 0; | |
49 | int size = -1; | |
50 | int level = UnSet; | |
51 | int layout = UnSet; | |
52 | int raiddisks = 0; | |
53 | int sparedisks = 0; | |
54 | struct mddev_ident_s ident; | |
55 | char *configfile = NULL; | |
56 | char *cp; | |
57 | char *update = NULL; | |
58 | int scan = 0; | |
59 | char devmode = 0; | |
60 | int runstop = 0; | |
61 | int readonly = 0; | |
62 | int bitmap_fd = -1; | |
63 | char *bitmap_file = NULL; | |
64 | int bitmap_chunk = UnSet; | |
65 | int SparcAdjust = 0; | |
66 | mddev_dev_t devlist = NULL; | |
67 | mddev_dev_t *devlistend = & devlist; | |
68 | mddev_dev_t dv; | |
69 | int devs_found = 0; | |
70 | int verbose = 0; | |
71 | int brief = 0; | |
72 | int force = 0; | |
73 | int test = 0; | |
74 | int assume_clean = 0; | |
75 | int autof = 0; /* -2 means create device based on name: | |
76 | * if it ends mdN, then non-partitioned array N | |
77 | * if it ends dN, then partitions array N | |
78 | * -1 means create non-partitioned, choose N | |
79 | * 1 or more to create partitioned | |
80 | * If -1 or 1 and name is a 'standard' name, then | |
81 | * insist on a match of type and number. | |
82 | */ | |
83 | ||
84 | char *mailaddr = NULL; | |
85 | char *program = NULL; | |
86 | int delay = 0; | |
87 | int daemonise = 0; | |
88 | char *pidfile = NULL; | |
89 | int oneshot = 0; | |
90 | struct supertype *ss = NULL; | |
91 | ||
92 | int copies; | |
93 | ||
94 | int mdfd = -1; | |
95 | ||
96 | srandom(time(0) ^ getpid()); | |
97 | ||
98 | ident.uuid_set=0; | |
99 | ident.level = UnSet; | |
100 | ident.raid_disks = UnSet; | |
101 | ident.super_minor= UnSet; | |
102 | ident.devices=0; | |
103 | ident.spare_group = NULL; | |
104 | ident.autof = 0; | |
105 | ident.st = NULL; | |
106 | ident.bitmap_fd = -1; | |
107 | ||
108 | while ((option_index = -1) , | |
109 | (opt=getopt_long(argc, argv, | |
110 | short_options, long_options, | |
111 | &option_index)) != -1) { | |
112 | int newmode = mode; | |
113 | /* firstly, so mode-independant options */ | |
114 | switch(opt) { | |
115 | case 'h': | |
116 | help_text = Help; | |
117 | if (option_index > 0 && | |
118 | strcmp(long_options[option_index].name, "help-options")==0) | |
119 | help_text = OptionHelp; | |
120 | else | |
121 | switch (mode) { | |
122 | case ASSEMBLE : help_text = Help_assemble; break; | |
123 | case BUILD : help_text = Help_build; break; | |
124 | case CREATE : help_text = Help_create; break; | |
125 | case MANAGE : help_text = Help_manage; break; | |
126 | case MISC : help_text = Help_misc; break; | |
127 | case MONITOR : help_text = Help_monitor; break; | |
128 | case GROW : help_text = Help_grow; break; | |
129 | } | |
130 | fputs(help_text,stderr); | |
131 | exit(0); | |
132 | ||
133 | case 'V': | |
134 | fputs(Version, stderr); | |
135 | exit(0); | |
136 | ||
137 | case 'v': verbose = 1; | |
138 | continue; | |
139 | ||
140 | case 'b': | |
141 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE) | |
142 | break; /* b means bitmap */ | |
143 | brief = 1; | |
144 | continue; | |
145 | ||
146 | case ':': | |
147 | case '?': | |
148 | fputs(Usage, stderr); | |
149 | exit(2); | |
150 | } | |
151 | /* second, figure out the mode. | |
152 | * Some options force the mode. Others | |
153 | * set the mode if it isn't already | |
154 | */ | |
155 | ||
156 | switch(opt) { | |
157 | case '@': /* just incase they say --manage */ | |
158 | newmode = MANAGE; break; | |
159 | case 'a': | |
160 | case 'r': | |
161 | case 'f': | |
162 | if (!mode) newmode = MANAGE; | |
163 | break; | |
164 | ||
165 | case 'A': newmode = ASSEMBLE; break; | |
166 | case 'B': newmode = BUILD; break; | |
167 | case 'C': newmode = CREATE; break; | |
168 | case 'F': newmode = MONITOR;break; | |
169 | case 'G': newmode = GROW; break; | |
170 | ||
171 | case '#': | |
172 | case 'D': | |
173 | case 'E': | |
174 | case 'X': | |
175 | case 'Q': newmode = MISC; break; | |
176 | case 'R': | |
177 | case 'S': | |
178 | case 'o': | |
179 | case 'w': | |
180 | case 'K': if (!mode) newmode = MISC; break; | |
181 | } | |
182 | if (mode && newmode == mode) { | |
183 | /* everybody happy ! */ | |
184 | } else if (mode && newmode != mode) { | |
185 | /* not allowed.. */ | |
186 | fprintf(stderr, Name ": "); | |
187 | if (option_index >= 0) | |
188 | fprintf(stderr, "--%s", long_options[option_index].name); | |
189 | else | |
190 | fprintf(stderr, "-%c", opt); | |
191 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", | |
192 | map_num(modes, newmode), | |
193 | map_num(modes, mode)); | |
194 | exit(2); | |
195 | } else if (!mode && newmode) { | |
196 | mode = newmode; | |
197 | } else { | |
198 | /* special case of -c --help */ | |
199 | if (opt == 'c' && | |
200 | ( strncmp(optarg, "--h", 3)==0 || | |
201 | strncmp(optarg, "-h", 2)==0)) { | |
202 | fputs(Help_config, stderr); | |
203 | exit(0); | |
204 | } | |
205 | ||
206 | /* If first option is a device, don't force the mode yet */ | |
207 | if (opt == 1) { | |
208 | if (devs_found == 0) { | |
209 | dv = malloc(sizeof(*dv)); | |
210 | if (dv == NULL) { | |
211 | fprintf(stderr, Name ": malloc failed\n"); | |
212 | exit(3); | |
213 | } | |
214 | dv->devname = optarg; | |
215 | dv->disposition = devmode; | |
216 | dv->next = NULL; | |
217 | *devlistend = dv; | |
218 | devlistend = &dv->next; | |
219 | ||
220 | devs_found++; | |
221 | continue; | |
222 | } | |
223 | /* No mode yet, and this is the second device ... */ | |
224 | fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n"); | |
225 | exit(2); | |
226 | } | |
227 | if (option_index >= 0) | |
228 | fprintf(stderr, Name ": --%s", long_options[option_index].name); | |
229 | else | |
230 | fprintf(stderr, Name ": -%c", opt); | |
231 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
232 | exit(2); | |
233 | } | |
234 | ||
235 | /* if we just set the mode, then done */ | |
236 | switch(opt) { | |
237 | case '@': | |
238 | case '#': | |
239 | case 'A': | |
240 | case 'B': | |
241 | case 'C': | |
242 | case 'F': | |
243 | case 'G': | |
244 | continue; | |
245 | } | |
246 | if (opt == 1) { | |
247 | /* an undecorated option - must be a device name. | |
248 | */ | |
249 | if (devs_found > 0 && mode == '@' && !devmode) { | |
250 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); | |
251 | exit(2); | |
252 | } | |
253 | if (devs_found > 0 && mode == 'G' && !devmode) { | |
254 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
255 | exit(2); | |
256 | } | |
257 | dv = malloc(sizeof(*dv)); | |
258 | if (dv == NULL) { | |
259 | fprintf(stderr, Name ": malloc failed\n"); | |
260 | exit(3); | |
261 | } | |
262 | dv->devname = optarg; | |
263 | dv->disposition = devmode; | |
264 | dv->next = NULL; | |
265 | *devlistend = dv; | |
266 | devlistend = &dv->next; | |
267 | ||
268 | devs_found++; | |
269 | continue; | |
270 | } | |
271 | ||
272 | /* We've got a mode, and opt is now something else which | |
273 | * could depend on the mode */ | |
274 | #define O(a,b) ((a<<8)|b) | |
275 | switch (O(mode,opt)) { | |
276 | case O(CREATE,'c'): | |
277 | case O(BUILD,'c'): /* chunk or rounding */ | |
278 | if (chunk) { | |
279 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
280 | "Second value is %s.\n", optarg); | |
281 | exit(2); | |
282 | } | |
283 | chunk = strtol(optarg, &c, 10); | |
284 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
285 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
286 | optarg); | |
287 | exit(2); | |
288 | } | |
289 | continue; | |
290 | ||
291 | case O(CREATE,'e'): | |
292 | case O(ASSEMBLE,'e'): | |
293 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
294 | if (ss) { | |
295 | fprintf(stderr, Name ": metadata information already given\n"); | |
296 | exit(2); | |
297 | } | |
298 | for(i=0; !ss && superlist[i]; i++) | |
299 | ss = superlist[i]->match_metadata_desc(optarg); | |
300 | ||
301 | if (!ss) { | |
302 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
303 | exit(2); | |
304 | } | |
305 | continue; | |
306 | ||
307 | case O(GROW,'z'): | |
308 | case O(CREATE,'z'): /* size */ | |
309 | if (size >= 0) { | |
310 | fprintf(stderr, Name ": size may only be specified once. " | |
311 | "Second value is %s.\n", optarg); | |
312 | exit(2); | |
313 | } | |
314 | if (strcmp(optarg, "max")==0) | |
315 | size = 0; | |
316 | else { | |
317 | size = strtol(optarg, &c, 10); | |
318 | if (!optarg[0] || *c || size < 4) { | |
319 | fprintf(stderr, Name ": invalid size: %s\n", | |
320 | optarg); | |
321 | exit(2); | |
322 | } | |
323 | } | |
324 | continue; | |
325 | ||
326 | case O(GROW,'l'): /* hack - needed to understand layout */ | |
327 | case O(CREATE,'l'): | |
328 | case O(BUILD,'l'): /* set raid level*/ | |
329 | if (level != UnSet) { | |
330 | fprintf(stderr, Name ": raid level may only be set once. " | |
331 | "Second value is %s.\n", optarg); | |
332 | exit(2); | |
333 | } | |
334 | level = map_name(pers, optarg); | |
335 | if (level == UnSet) { | |
336 | fprintf(stderr, Name ": invalid raid level: %s\n", | |
337 | optarg); | |
338 | exit(2); | |
339 | } | |
340 | if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) { | |
341 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", | |
342 | optarg); | |
343 | exit(2); | |
344 | } | |
345 | if (sparedisks > 0 && level < 1 && level >= -1) { | |
346 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", | |
347 | optarg); | |
348 | exit(2); | |
349 | } | |
350 | ident.level = level; | |
351 | continue; | |
352 | ||
353 | case O(CREATE,'p'): /* raid5 layout */ | |
354 | case O(BUILD,'p'): /* faulty layout */ | |
355 | case O(GROW, 'p'): /* faulty reconfig */ | |
356 | if (layout != UnSet) { | |
357 | fprintf(stderr,Name ": layout may only be sent once. " | |
358 | "Second value was %s\n", optarg); | |
359 | exit(2); | |
360 | } | |
361 | switch(level) { | |
362 | default: | |
363 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", | |
364 | map_num(pers, level)); | |
365 | exit(2); | |
366 | case UnSet: | |
367 | fprintf(stderr, Name ": raid level must be given before layout.\n"); | |
368 | exit(2); | |
369 | ||
370 | case 5: | |
371 | case 6: | |
372 | layout = map_name(r5layout, optarg); | |
373 | if (layout==UnSet) { | |
374 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", | |
375 | optarg); | |
376 | exit(2); | |
377 | } | |
378 | break; | |
379 | ||
380 | case 10: | |
381 | /* 'f' or 'n' followed by a number <= raid_disks */ | |
382 | if ((optarg[0] != 'n' && optarg[0] != 'f') || | |
383 | (copies = strtoul(optarg+1, &cp, 10)) < 1 || | |
384 | copies > 200 || | |
385 | *cp) { | |
386 | fprintf(stderr, Name ": layout for raid10 must be 'nNN' or 'fNN' where NN is a number, not %s\n", optarg); | |
387 | exit(2); | |
388 | } | |
389 | if (optarg[0] == 'n') | |
390 | layout = 256 + copies; | |
391 | else | |
392 | layout = 1 + (copies<<8); | |
393 | break; | |
394 | case -5: /* Faulty | |
395 | * modeNNN | |
396 | */ | |
397 | ||
398 | { | |
399 | int ln = strcspn(optarg, "0123456789"); | |
400 | char *m = strdup(optarg); | |
401 | int mode; | |
402 | m[ln] = 0; | |
403 | mode = map_name(faultylayout, m); | |
404 | if (mode == UnSet) { | |
405 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", | |
406 | optarg); | |
407 | exit(2); | |
408 | } | |
409 | layout = mode | (atoi(optarg+ln)<< ModeShift); | |
410 | } | |
411 | } | |
412 | continue; | |
413 | ||
414 | case O(CREATE,3): | |
415 | case O(BUILD,3): /* assume clean */ | |
416 | assume_clean = 1; | |
417 | continue; | |
418 | ||
419 | case O(GROW,'n'): | |
420 | case O(CREATE,'n'): | |
421 | case O(BUILD,'n'): /* number of raid disks */ | |
422 | if (raiddisks) { | |
423 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", | |
424 | raiddisks, optarg); | |
425 | exit(2); | |
426 | } | |
427 | raiddisks = strtol(optarg, &c, 10); | |
428 | if (!optarg[0] || *c || raiddisks<=0 || raiddisks > MD_SB_DISKS) { | |
429 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", | |
430 | optarg); | |
431 | exit(2); | |
432 | } | |
433 | if (raiddisks == 1 && !force && level != -5) { | |
434 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
435 | " a mistake. If you really mean it you will need to specify --force before\n" | |
436 | " setting the number of drives.\n"); | |
437 | exit(2); | |
438 | } | |
439 | ident.raid_disks = raiddisks; | |
440 | continue; | |
441 | ||
442 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ | |
443 | if (sparedisks) { | |
444 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", | |
445 | sparedisks, optarg); | |
446 | exit(2); | |
447 | } | |
448 | if (level != UnSet && level <= 0 && level >= -1) { | |
449 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", | |
450 | level); | |
451 | exit(2); | |
452 | } | |
453 | sparedisks = strtol(optarg, &c, 10); | |
454 | if (!optarg[0] || *c || sparedisks < 0 || sparedisks > MD_SB_DISKS - raiddisks) { | |
455 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", | |
456 | optarg); | |
457 | exit(2); | |
458 | } | |
459 | continue; | |
460 | ||
461 | case O(CREATE,'a'): | |
462 | case O(BUILD,'a'): | |
463 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ | |
464 | if (optarg == NULL) | |
465 | autof = -2; | |
466 | else if (strcasecmp(optarg,"no")==0) | |
467 | autof = 0; | |
468 | else if (strcasecmp(optarg,"yes")==0) | |
469 | autof = -2; | |
470 | else if (strcasecmp(optarg,"md")==0) | |
471 | autof = -1; | |
472 | else { | |
473 | /* There might be digits, and maybe a hypen, at the end */ | |
474 | char *e = optarg + strlen(optarg); | |
475 | int num = 4; | |
476 | int len; | |
477 | while (e > optarg && isdigit(e[-1])) | |
478 | e--; | |
479 | if (*e) { | |
480 | num = atoi(e); | |
481 | if (num <= 0) num = 1; | |
482 | } | |
483 | if (e > optarg && e[-1] == '-') | |
484 | e--; | |
485 | len = e - optarg; | |
486 | if ((len == 3 && strncasecmp(optarg,"mdp",3)==0) || | |
487 | (len == 1 && strncasecmp(optarg,"p",1)==0) || | |
488 | (len >= 4 && strncasecmp(optarg,"part",4)==0)) | |
489 | autof = num; | |
490 | else { | |
491 | fprintf(stderr, Name ": --auto flag arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n" | |
492 | " optionally followed by a number.\n", | |
493 | optarg); | |
494 | exit(2); | |
495 | } | |
496 | } | |
497 | continue; | |
498 | ||
499 | case O(BUILD,'f'): /* force honouring '-n 1' */ | |
500 | case O(CREATE,'f'): /* force honouring of device list */ | |
501 | case O(ASSEMBLE,'f'): /* force assembly */ | |
502 | case O(MISC,'f'): /* force zero */ | |
503 | force=1; | |
504 | continue; | |
505 | ||
506 | /* now for the Assemble options */ | |
507 | case O(ASSEMBLE,'u'): /* uuid of array */ | |
508 | if (ident.uuid_set) { | |
509 | fprintf(stderr, Name ": uuid cannot be set twice. " | |
510 | "Second value %s.\n", optarg); | |
511 | exit(2); | |
512 | } | |
513 | if (parse_uuid(optarg, ident.uuid)) | |
514 | ident.uuid_set = 1; | |
515 | else { | |
516 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
517 | exit(2); | |
518 | } | |
519 | continue; | |
520 | ||
521 | case O(ASSEMBLE,'m'): /* super-minor for array */ | |
522 | if (ident.super_minor != UnSet) { | |
523 | fprintf(stderr, Name ": super-minor cannot be set twice. " | |
524 | "Second value: %s.\n", optarg); | |
525 | exit(2); | |
526 | } | |
527 | if (strcmp(optarg, "dev")==0) | |
528 | ident.super_minor = -2; | |
529 | else { | |
530 | ident.super_minor = strtoul(optarg, &cp, 10); | |
531 | if (!optarg[0] || *cp) { | |
532 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
533 | exit(2); | |
534 | } | |
535 | } | |
536 | continue; | |
537 | ||
538 | case O(ASSEMBLE,'U'): /* update the superblock */ | |
539 | if (update) { | |
540 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
541 | update, optarg); | |
542 | exit(2); | |
543 | } | |
544 | update = optarg; | |
545 | if (strcmp(update, "sparc2.2")==0) | |
546 | continue; | |
547 | if (strcmp(update, "super-minor") == 0) | |
548 | continue; | |
549 | if (strcmp(update, "summaries")==0) | |
550 | continue; | |
551 | if (strcmp(update, "resync")==0) | |
552 | continue; | |
553 | fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'resync' or 'summaries' supported\n",update); | |
554 | exit(2); | |
555 | ||
556 | case O(ASSEMBLE,'c'): /* config file */ | |
557 | case O(MISC, 'c'): | |
558 | case O(MONITOR,'c'): | |
559 | if (configfile) { | |
560 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
561 | "Second value is %s.\n", optarg); | |
562 | exit(2); | |
563 | } | |
564 | configfile = optarg; | |
565 | /* FIXME possibly check that config file exists. Even parse it */ | |
566 | continue; | |
567 | case O(ASSEMBLE,'s'): /* scan */ | |
568 | case O(MISC,'s'): | |
569 | case O(MONITOR,'s'): | |
570 | scan = 1; | |
571 | continue; | |
572 | ||
573 | case O(MONITOR,'m'): /* mail address */ | |
574 | if (mailaddr) | |
575 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
576 | optarg); | |
577 | else | |
578 | mailaddr = optarg; | |
579 | continue; | |
580 | ||
581 | case O(MONITOR,'p'): /* alert program */ | |
582 | if (program) | |
583 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
584 | optarg); | |
585 | else | |
586 | program = optarg; | |
587 | continue; | |
588 | ||
589 | case O(MONITOR,'d'): /* delay in seconds */ | |
590 | case O(BUILD,'d'): /* delay for bitmap updates */ | |
591 | case O(CREATE,'d'): | |
592 | if (delay) | |
593 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
594 | optarg); | |
595 | else { | |
596 | delay = strtol(optarg, &c, 10); | |
597 | if (!optarg[0] || *c || delay<1) { | |
598 | fprintf(stderr, Name ": invalid delay: %s\n", | |
599 | optarg); | |
600 | exit(2); | |
601 | } | |
602 | } | |
603 | continue; | |
604 | case O(MONITOR,'f'): /* daemonise */ | |
605 | daemonise = 1; | |
606 | continue; | |
607 | case O(MONITOR,'i'): /* pid */ | |
608 | if (pidfile) | |
609 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
610 | optarg); | |
611 | else | |
612 | pidfile = optarg; | |
613 | continue; | |
614 | case O(MONITOR,'1'): /* oneshot */ | |
615 | oneshot = 1; | |
616 | continue; | |
617 | case O(MONITOR,'t'): /* test */ | |
618 | test = 1; | |
619 | continue; | |
620 | ||
621 | /* now the general management options. Some are applicable | |
622 | * to other modes. None have arguments. | |
623 | */ | |
624 | case O(GROW,'a'): | |
625 | case O(MANAGE,'a'): /* add a drive */ | |
626 | devmode = 'a'; | |
627 | continue; | |
628 | case O(MANAGE,'r'): /* remove a drive */ | |
629 | devmode = 'r'; | |
630 | continue; | |
631 | case O(MANAGE,'f'): /* set faulty */ | |
632 | devmode = 'f'; | |
633 | continue; | |
634 | case O(MANAGE,'R'): | |
635 | case O(ASSEMBLE,'R'): | |
636 | case O(BUILD,'R'): | |
637 | case O(CREATE,'R'): /* Run the array */ | |
638 | if (runstop < 0) { | |
639 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
640 | exit(2); | |
641 | } | |
642 | runstop = 1; | |
643 | continue; | |
644 | case O(MANAGE,'S'): | |
645 | if (runstop > 0) { | |
646 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
647 | exit(2); | |
648 | } | |
649 | runstop = -1; | |
650 | continue; | |
651 | ||
652 | case O(MANAGE,'o'): | |
653 | if (readonly < 0) { | |
654 | fprintf(stderr, Name ": Cannot have both readonly and readwrite\n"); | |
655 | exit(2); | |
656 | } | |
657 | readonly = 1; | |
658 | continue; | |
659 | case O(MANAGE,'w'): | |
660 | if (readonly > 0) { | |
661 | fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n"); | |
662 | exit(2); | |
663 | } | |
664 | readonly = -1; | |
665 | continue; | |
666 | ||
667 | case O(MISC,'Q'): | |
668 | case O(MISC,'D'): | |
669 | case O(MISC,'E'): | |
670 | case O(MISC,'K'): | |
671 | case O(MISC,'R'): | |
672 | case O(MISC,'S'): | |
673 | case O(MISC,'X'): | |
674 | case O(MISC,'o'): | |
675 | case O(MISC,'w'): | |
676 | if (devmode && devmode != opt && | |
677 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
678 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
679 | devmode =='E'?opt:devmode); | |
680 | exit(2); | |
681 | } | |
682 | devmode = opt; | |
683 | continue; | |
684 | case O(MISC,'t'): | |
685 | test = 1; | |
686 | continue; | |
687 | ||
688 | case O(MISC, 22): | |
689 | if (devmode != 'E') { | |
690 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
691 | exit(2); | |
692 | } | |
693 | SparcAdjust = 1; | |
694 | continue; | |
695 | ||
696 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
697 | if (!optarg) { | |
698 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
699 | exit(2); | |
700 | } | |
701 | bitmap_fd = open(optarg, O_RDWR); | |
702 | if (!*optarg || bitmap_fd < 0) { | |
703 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
704 | exit(2); | |
705 | } | |
706 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
707 | continue; | |
708 | case O(BUILD,'b'): | |
709 | case O(CREATE,'b'): /* here we create the bitmap */ | |
710 | bitmap_file = optarg; | |
711 | continue; | |
712 | ||
713 | case O(BUILD,4): | |
714 | case O(CREATE,4): /* bitmap chunksize */ | |
715 | bitmap_chunk = strtol(optarg, &c, 10); | |
716 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
717 | bitmap_chunk & (bitmap_chunk - 1)) { | |
718 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
719 | optarg); | |
720 | exit(2); | |
721 | } | |
722 | /* convert K to B, chunk of 0K means 512B */ | |
723 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
724 | continue; | |
725 | } | |
726 | /* We have now processed all the valid options. Anything else is | |
727 | * an error | |
728 | */ | |
729 | fprintf(stderr, Name ": option %c not valid in %s mode\n", | |
730 | opt, map_num(modes, mode)); | |
731 | exit(2); | |
732 | ||
733 | } | |
734 | ||
735 | if (!mode && devs_found) { | |
736 | mode = MISC; | |
737 | devmode = 'Q'; | |
738 | if (devlist->disposition == 0) | |
739 | devlist->disposition = devmode; | |
740 | } | |
741 | if (!mode) { | |
742 | fputs(Usage, stderr); | |
743 | exit(2); | |
744 | } | |
745 | /* Ok, got the option parsing out of the way | |
746 | * hopefully it's mostly right but there might be some stuff | |
747 | * missing | |
748 | * | |
749 | * That is mosty checked in the per-mode stuff but... | |
750 | * | |
751 | * For @,B,C and A without -s, the first device listed must be an md device | |
752 | * we check that here and open it. | |
753 | */ | |
754 | ||
755 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || | |
756 | (mode == ASSEMBLE && ! scan)) { | |
757 | if (devs_found < 1) { | |
758 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
759 | exit(2); | |
760 | } | |
761 | if ((int)ident.super_minor == -2 && autof) { | |
762 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); | |
763 | exit(2); | |
764 | } | |
765 | mdfd = open_mddev(devlist->devname, autof); | |
766 | if (mdfd < 0) | |
767 | exit(1); | |
768 | if ((int)ident.super_minor == -2) { | |
769 | struct stat stb; | |
770 | fstat(mdfd, &stb); | |
771 | ident.super_minor = minor(stb.st_rdev); | |
772 | } | |
773 | } | |
774 | ||
775 | ||
776 | rv = 0; | |
777 | switch(mode) { | |
778 | case MANAGE: | |
779 | /* readonly, add/remove, readwrite, runstop */ | |
780 | if (readonly>0) | |
781 | rv = Manage_ro(devlist->devname, mdfd, readonly); | |
782 | if (!rv && devs_found>1) | |
783 | rv = Manage_subdevs(devlist->devname, mdfd, | |
784 | devlist->next); | |
785 | if (!rv && readonly < 0) | |
786 | rv = Manage_ro(devlist->devname, mdfd, readonly); | |
787 | if (!rv && runstop) | |
788 | rv = Manage_runstop(devlist->devname, mdfd, runstop); | |
789 | break; | |
790 | case ASSEMBLE: | |
791 | if (devs_found == 1 && ident.uuid_set == 0 && | |
792 | ident.super_minor == UnSet && !scan ) { | |
793 | /* Only a device has been given, so get details from config file */ | |
794 | mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname); | |
795 | if (array_ident == NULL) { | |
796 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
797 | devlist->devname); | |
798 | rv |= 1; | |
799 | } else { | |
800 | mdfd = open_mddev(devlist->devname, array_ident->autof); | |
801 | if (mdfd < 0) | |
802 | rv |= 1; | |
803 | else { | |
804 | rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile, | |
805 | NULL, | |
806 | readonly, runstop, update, verbose, force); | |
807 | close(mdfd); | |
808 | } | |
809 | } | |
810 | } else if (!scan) | |
811 | rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile, | |
812 | devlist->next, | |
813 | readonly, runstop, update, verbose, force); | |
814 | else if (devs_found>0) { | |
815 | if (update && devs_found > 1) { | |
816 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
817 | exit(1); | |
818 | } | |
819 | for (dv = devlist ; dv ; dv=dv->next) { | |
820 | mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname); | |
821 | if (array_ident == NULL) { | |
822 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
823 | dv->devname); | |
824 | rv |= 1; | |
825 | continue; | |
826 | } | |
827 | mdfd = open_mddev(dv->devname, array_ident->autof); | |
828 | if (mdfd < 0) { | |
829 | rv |= 1; | |
830 | continue; | |
831 | } | |
832 | rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile, | |
833 | NULL, | |
834 | readonly, runstop, update, verbose, force); | |
835 | close(mdfd); | |
836 | } | |
837 | } else { | |
838 | mddev_ident_t array_list = conf_get_ident(configfile, NULL); | |
839 | if (!array_list) { | |
840 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
841 | rv = 1; | |
842 | } else | |
843 | for (; array_list; array_list = array_list->next) { | |
844 | mdu_array_info_t array; | |
845 | mdfd = open_mddev(array_list->devname, array_list->autof); | |
846 | if (mdfd < 0) { | |
847 | rv |= 1; | |
848 | continue; | |
849 | } | |
850 | if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0) | |
851 | /* already assembled, skip */ | |
852 | ; | |
853 | else | |
854 | rv |= Assemble(ss, array_list->devname, mdfd, | |
855 | array_list, configfile, | |
856 | NULL, | |
857 | readonly, runstop, NULL, verbose, force); | |
858 | close(mdfd); | |
859 | } | |
860 | } | |
861 | break; | |
862 | case BUILD: | |
863 | if (bitmap_chunk == UnSet) bitmap_chunk = DEFAULT_BITMAP_CHUNK; | |
864 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
865 | if (bitmap_file) { | |
866 | bitmap_fd = open(bitmap_file, O_RDWR,0); | |
867 | if (bitmap_fd < 0 && errno != ENOENT) { | |
868 | perror(Name ": cannot create bitmap file"); | |
869 | rv |= 1; | |
870 | break; | |
871 | } | |
872 | if (bitmap_fd < 0) { | |
873 | bitmap_fd = CreateBitmap(bitmap_file, force, NULL, | |
874 | bitmap_chunk, delay, size); | |
875 | } | |
876 | } | |
877 | rv = Build(devlist->devname, mdfd, chunk, level, layout, | |
878 | raiddisks, devlist->next, assume_clean, | |
879 | bitmap_file, bitmap_chunk, delay); | |
880 | break; | |
881 | case CREATE: | |
882 | if (bitmap_chunk == UnSet) bitmap_chunk = DEFAULT_BITMAP_CHUNK; | |
883 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
884 | if (ss == NULL) { | |
885 | for(i=0; !ss && superlist[i]; i++) | |
886 | ss = superlist[i]->match_metadata_desc("default"); | |
887 | } | |
888 | if (!ss) { | |
889 | fprintf(stderr, Name ": internal error - no default metadata style\n"); | |
890 | exit(2); | |
891 | } | |
892 | ||
893 | rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size, | |
894 | raiddisks, sparedisks, | |
895 | devs_found-1, devlist->next, runstop, verbose, force, | |
896 | bitmap_file, bitmap_chunk, delay); | |
897 | break; | |
898 | case MISC: | |
899 | ||
900 | if (devmode == 'E') { | |
901 | if (devlist == NULL && !scan) { | |
902 | fprintf(stderr, Name ": No devices to examine\n"); | |
903 | exit(2); | |
904 | } | |
905 | if (devlist == NULL) | |
906 | devlist = conf_get_devs(configfile); | |
907 | if (devlist == NULL) { | |
908 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); | |
909 | exit(1); | |
910 | } | |
911 | rv = Examine(devlist, scan?!verbose:brief, scan, SparcAdjust, ss); | |
912 | } else { | |
913 | if (devlist == NULL) { | |
914 | if ((devmode == 'S' ||devmode=='D') && scan) { | |
915 | /* apply to all devices in /proc/mdstat */ | |
916 | struct mdstat_ent *ms = mdstat_read(0); | |
917 | struct mdstat_ent *e; | |
918 | if (devmode == 'S') { | |
919 | /* reverse order so that arrays made of arrays are stopped properly */ | |
920 | struct mdstat_ent *sm = NULL; | |
921 | while ((e=ms) != NULL) { | |
922 | ms = e->next; | |
923 | e->next = sm; | |
924 | sm = e; | |
925 | } | |
926 | ms = sm; | |
927 | } | |
928 | for (e=ms ; e ; e=e->next) { | |
929 | char *name = get_md_name(e->devnum); | |
930 | ||
931 | if (!name) { | |
932 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
933 | e->dev); | |
934 | continue; | |
935 | } | |
936 | if (devmode == 'D') | |
937 | rv |= Detail(name, !verbose, test); | |
938 | else if (devmode=='S') { | |
939 | mdfd = open_mddev(name, 0); | |
940 | if (mdfd >= 0) { | |
941 | rv |= Manage_runstop(name, mdfd, -1); | |
942 | close(mdfd); | |
943 | } | |
944 | } | |
945 | put_md_name(name); | |
946 | } | |
947 | } else { | |
948 | fprintf(stderr, Name ": No devices given.\n"); | |
949 | exit(2); | |
950 | } | |
951 | } | |
952 | for (dv=devlist ; dv; dv=dv->next) { | |
953 | switch(dv->disposition) { | |
954 | case 'D': | |
955 | rv |= Detail(dv->devname, brief, test); continue; | |
956 | case 'K': /* Zero superblock */ | |
957 | rv |= Kill(dv->devname, force); continue; | |
958 | case 'Q': | |
959 | rv |= Query(dv->devname); continue; | |
960 | case 'X': | |
961 | rv |= ExamineBitmap(dv->devname, brief); continue; | |
962 | } | |
963 | mdfd = open_mddev(dv->devname, 0); | |
964 | if (mdfd>=0) { | |
965 | switch(dv->disposition) { | |
966 | case 'R': | |
967 | rv |= Manage_runstop(dv->devname, mdfd, 1); break; | |
968 | case 'S': | |
969 | rv |= Manage_runstop(dv->devname, mdfd, -1); break; | |
970 | case 'o': | |
971 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
972 | case 'w': | |
973 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
974 | } | |
975 | close(mdfd); | |
976 | } | |
977 | } | |
978 | } | |
979 | break; | |
980 | case MONITOR: | |
981 | if (!devlist && !scan) { | |
982 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
983 | rv = 1; | |
984 | break; | |
985 | } | |
986 | if (pidfile && !daemonise) { | |
987 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
988 | rv = 1; | |
989 | break; | |
990 | } | |
991 | rv= Monitor(devlist, mailaddr, program, | |
992 | delay?delay:60, daemonise, scan, oneshot, configfile, test, pidfile); | |
993 | break; | |
994 | ||
995 | case GROW: | |
996 | if (devs_found > 1) { | |
997 | ||
998 | /* must be '-a'. */ | |
999 | if (size >= 0 || raiddisks) { | |
1000 | fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n"); | |
1001 | rv = 1; | |
1002 | break; | |
1003 | } | |
1004 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1005 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1006 | if (rv) | |
1007 | break; | |
1008 | } | |
1009 | } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) > 1) { | |
1010 | fprintf(stderr, Name ": can change at most one of size, raiddisks, and layout\n"); | |
1011 | rv = 1; | |
1012 | break; | |
1013 | } else if (layout != UnSet) | |
1014 | rv = Manage_reconfig(devlist->devname, mdfd, layout); | |
1015 | else if (size >= 0 || raiddisks) | |
1016 | rv = Manage_resize(devlist->devname, mdfd, size, raiddisks); | |
1017 | else | |
1018 | fprintf(stderr, Name ": no changes to --grow\n"); | |
1019 | break; | |
1020 | } | |
1021 | exit(rv); | |
1022 | } |