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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 | |
28 | */ | |
29 | ||
9a9dab36 | 30 | #include "mdadm.h" |
682c7051 NB |
31 | #include "md_u.h" |
32 | #include "md_p.h" | |
60248f74 | 33 | #include <ctype.h> |
64c4757e | 34 | |
82d9eba6 | 35 | int Create(struct supertype *st, char *mddev, int mdfd, |
5dd497ee | 36 | int chunk, int level, int layout, unsigned long long size, int raiddisks, int sparedisks, |
05697ec1 | 37 | char *name, char *homehost, |
cd29a5c8 | 38 | int subdevs, mddev_dev_t devlist, |
47d79ef8 | 39 | int runstop, int verbose, int force, int assume_clean, |
dfd4d8ee | 40 | char *bitmap_file, int bitmap_chunk, int write_behind, int delay) |
64c4757e | 41 | { |
682c7051 NB |
42 | /* |
43 | * Create a new raid array. | |
44 | * | |
45 | * First check that necessary details are available | |
46 | * (i.e. level, raid-disks) | |
47 | * | |
48 | * Then check each disk to see what might be on it | |
49 | * and report anything interesting. | |
50 | * | |
51 | * If anything looks odd, and runstop not set, | |
52 | * abort. | |
53 | * | |
54 | * SET_ARRAY_INFO and ADD_NEW_DISK, and | |
82d9eba6 | 55 | * if runstop==run, or raiddisks disks were used, |
682c7051 NB |
56 | * RUN_ARRAY |
57 | */ | |
b5e64645 | 58 | unsigned long long minsize=0, maxsize=0; |
cd29a5c8 NB |
59 | char *mindisc = NULL; |
60 | char *maxdisc = NULL; | |
c913b90e | 61 | int dnum; |
cd29a5c8 | 62 | mddev_dev_t dv; |
682c7051 | 63 | int fail=0, warn=0; |
82b27616 | 64 | struct stat stb; |
82d9eba6 | 65 | int first_missing = subdevs * 2; |
52826846 | 66 | int missing_disks = 0; |
82d9eba6 | 67 | int insert_point = subdevs * 2; /* where to insert a missing drive */ |
4b1ac34b NB |
68 | void *super; |
69 | int pass; | |
82d9eba6 NB |
70 | int vers; |
71 | int rv; | |
c82f047c | 72 | int bitmap_fd; |
f9c25f1d | 73 | unsigned long long bitmapsize; |
682c7051 NB |
74 | |
75 | mdu_array_info_t array; | |
dcec9ee5 NB |
76 | int major = BITMAP_MAJOR_HI; |
77 | ||
5dd497ee | 78 | memset(&array, 0, sizeof(array)); |
29e766a5 | 79 | |
82d9eba6 NB |
80 | vers = md_get_version(mdfd); |
81 | if (vers < 9000) { | |
dd0781e5 | 82 | fprintf(stderr, Name ": Create requires md driver version 0.90.0 or later\n"); |
52826846 | 83 | return 1; |
682c7051 | 84 | } |
98c6faba | 85 | if (level == UnSet) { |
682c7051 NB |
86 | fprintf(stderr, |
87 | Name ": a RAID level is needed to create an array.\n"); | |
88 | return 1; | |
89 | } | |
90 | if (raiddisks < 1) { | |
91 | fprintf(stderr, | |
b83d95f3 | 92 | Name ": a number of --raid-devices must be given to create an array\n"); |
682c7051 NB |
93 | return 1; |
94 | } | |
98c6faba NB |
95 | if (raiddisks < 4 && level == 6) { |
96 | fprintf(stderr, | |
97 | Name ": at least 4 raid-devices needed for level 6\n"); | |
98 | return 1; | |
99 | } | |
100 | if (raiddisks > 256 && level == 6) { | |
101 | fprintf(stderr, | |
102 | Name ": no more than 256 raid-devices supported for level 6\n"); | |
103 | return 1; | |
104 | } | |
52826846 NB |
105 | if (raiddisks < 2 && level >= 4) { |
106 | fprintf(stderr, | |
98c6faba | 107 | Name ": at least 2 raid-devices needed for level 4 or 5\n"); |
52826846 NB |
108 | return 1; |
109 | } | |
682c7051 | 110 | if (subdevs > raiddisks+sparedisks) { |
b83d95f3 | 111 | fprintf(stderr, Name ": You have listed more devices (%d) than are in the array(%d)!\n", subdevs, raiddisks+sparedisks); |
52826846 | 112 | return 1; |
682c7051 | 113 | } |
cd29a5c8 | 114 | if (subdevs < raiddisks+sparedisks) { |
52826846 NB |
115 | fprintf(stderr, Name ": You haven't given enough devices (real or missing) to create this array\n"); |
116 | return 1; | |
117 | } | |
118 | ||
682c7051 | 119 | /* now set some defaults */ |
98c6faba | 120 | if (layout == UnSet) |
682c7051 NB |
121 | switch(level) { |
122 | default: /* no layout */ | |
123 | layout = 0; | |
124 | break; | |
e5329c37 NB |
125 | case 10: |
126 | layout = 0x102; /* near=2, far=1 */ | |
dab6685f | 127 | if (verbose > 0) |
e5329c37 NB |
128 | fprintf(stderr, |
129 | Name ": layout defaults to n1\n"); | |
130 | break; | |
682c7051 | 131 | case 5: |
98c6faba | 132 | case 6: |
682c7051 | 133 | layout = map_name(r5layout, "default"); |
dab6685f | 134 | if (verbose > 0) |
682c7051 NB |
135 | fprintf(stderr, |
136 | Name ": layout defaults to %s\n", map_num(r5layout, layout)); | |
137 | break; | |
b5e64645 NB |
138 | case LEVEL_FAULTY: |
139 | layout = map_name(faultylayout, "default"); | |
140 | ||
dab6685f | 141 | if (verbose > 0) |
b5e64645 NB |
142 | fprintf(stderr, |
143 | Name ": layout defaults to %s\n", map_num(faultylayout, layout)); | |
144 | break; | |
682c7051 NB |
145 | } |
146 | ||
e5329c37 NB |
147 | if (level == 10) |
148 | /* check layout fits in array*/ | |
149 | if ((layout&255) * ((layout>>8)&255) > raiddisks) { | |
150 | fprintf(stderr, Name ": that layout requires at least %d devices\n", | |
151 | (layout&255) * ((layout>>8)&255)); | |
152 | return 1; | |
153 | } | |
154 | ||
aa88f531 NB |
155 | switch(level) { |
156 | case 4: | |
157 | case 5: | |
e5329c37 | 158 | case 10: |
98c6faba | 159 | case 6: |
aa88f531 NB |
160 | case 0: |
161 | case -1: /* linear */ | |
162 | if (chunk == 0) { | |
163 | chunk = 64; | |
dab6685f | 164 | if (verbose > 0) |
aa88f531 NB |
165 | fprintf(stderr, Name ": chunk size defaults to 64K\n"); |
166 | } | |
167 | break; | |
168 | default: /* raid1, multipath */ | |
169 | if (chunk) { | |
170 | chunk = 0; | |
dab6685f | 171 | if (verbose > 0) |
aa88f531 NB |
172 | fprintf(stderr, Name ": chunk size ignored for this level\n"); |
173 | } | |
174 | break; | |
682c7051 NB |
175 | } |
176 | ||
177 | /* now look at the subdevs */ | |
52826846 NB |
178 | array.active_disks = 0; |
179 | array.working_disks = 0; | |
c913b90e NB |
180 | dnum = 0; |
181 | for (dv=devlist; dv; dv=dv->next, dnum++) { | |
cd29a5c8 | 182 | char *dname = dv->devname; |
b5e64645 NB |
183 | unsigned long dsize; |
184 | unsigned long long ldsize, freesize; | |
52826846 | 185 | int fd; |
cd29a5c8 | 186 | if (strcasecmp(dname, "missing")==0) { |
c913b90e NB |
187 | if (first_missing > dnum) |
188 | first_missing = dnum; | |
52826846 NB |
189 | missing_disks ++; |
190 | continue; | |
191 | } | |
192 | array.working_disks++; | |
c913b90e | 193 | if (dnum < raiddisks) |
52826846 | 194 | array.active_disks++; |
d7eaf49f | 195 | fd = open(dname, O_RDONLY|O_EXCL, 0); |
682c7051 NB |
196 | if (fd <0 ) { |
197 | fprintf(stderr, Name ": Cannot open %s: %s\n", | |
198 | dname, strerror(errno)); | |
199 | fail=1; | |
200 | continue; | |
201 | } | |
b5e64645 NB |
202 | #ifdef BLKGETSIZE64 |
203 | if (ioctl(fd, BLKGETSIZE64, &ldsize)==0) | |
204 | ; | |
205 | else | |
206 | #endif | |
682c7051 NB |
207 | if (ioctl(fd, BLKGETSIZE, &dsize)) { |
208 | fprintf(stderr, Name ": Cannot get size of %s: %s\n", | |
209 | dname, strerror(errno)); | |
210 | fail = 1; | |
211 | close(fd); | |
212 | continue; | |
213 | } | |
b5e64645 NB |
214 | else { |
215 | ldsize = dsize; | |
570c0542 | 216 | ldsize <<= 9; |
b5e64645 | 217 | } |
058574b1 | 218 | if (st == NULL) { |
8aec876d | 219 | struct createinfo *ci = conf_get_create_info(); |
058574b1 NB |
220 | if (ci) |
221 | st = ci->supertype; | |
222 | } | |
576d6d83 NB |
223 | if (st == NULL) { |
224 | /* Need to choose a default metadata, which is different | |
225 | * depending on the sizes of devices | |
226 | */ | |
227 | int i; | |
228 | char *name = "default"; | |
229 | if (level >= 1 && ldsize > (0x7fffffffULL<<10)) | |
230 | name = "default/large"; | |
231 | for(i=0; !st && superlist[i]; i++) | |
232 | st = superlist[i]->match_metadata_desc(name); | |
233 | ||
234 | if (!st) { | |
235 | fprintf(stderr, Name ": internal error - no default metadata style\n"); | |
236 | exit(2); | |
237 | } | |
238 | if (st->ss->major != 0 || | |
239 | st->minor_version != 90) | |
240 | fprintf(stderr, Name ": Defaulting to verion %d.%d metadata\n", | |
241 | st->ss->major, | |
242 | st->minor_version); | |
243 | } | |
1bf4e2d9 | 244 | freesize = st->ss->avail_size(st, ldsize >> 9); |
82d9eba6 | 245 | if (freesize == 0) { |
aa88f531 | 246 | fprintf(stderr, Name ": %s is too small: %luK\n", |
b5e64645 | 247 | dname, (unsigned long)(ldsize>>10)); |
52826846 NB |
248 | fail = 1; |
249 | close(fd); | |
250 | continue; | |
682c7051 | 251 | } |
82d9eba6 NB |
252 | |
253 | freesize /= 2; /* convert to K */ | |
d2cd3ffc NB |
254 | if (chunk) { |
255 | /* round to chunk size */ | |
256 | freesize = freesize & ~(chunk-1); | |
257 | } | |
682c7051 NB |
258 | |
259 | if (size && freesize < size) { | |
52826846 | 260 | fprintf(stderr, Name ": %s is smaller that given size." |
5dd497ee | 261 | " %lluK < %lluK + superblock\n", dname, freesize, size); |
52826846 NB |
262 | fail = 1; |
263 | close(fd); | |
264 | continue; | |
682c7051 | 265 | } |
cd29a5c8 NB |
266 | if (maxdisc == NULL || (maxdisc && freesize > maxsize)) { |
267 | maxdisc = dname; | |
52826846 | 268 | maxsize = freesize; |
682c7051 | 269 | } |
cd29a5c8 NB |
270 | if (mindisc ==NULL || (mindisc && freesize < minsize)) { |
271 | mindisc = dname; | |
52826846 | 272 | minsize = freesize; |
682c7051 | 273 | } |
dab6685f NB |
274 | if (runstop != 1 || verbose >= 0) { |
275 | warn |= check_ext2(fd, dname); | |
276 | warn |= check_reiser(fd, dname); | |
277 | warn |= check_raid(fd, dname); | |
278 | } | |
682c7051 NB |
279 | close(fd); |
280 | } | |
281 | if (fail) { | |
52826846 NB |
282 | fprintf(stderr, Name ": create aborted\n"); |
283 | return 1; | |
682c7051 NB |
284 | } |
285 | if (size == 0) { | |
cd29a5c8 | 286 | if (mindisc == NULL) { |
52826846 NB |
287 | fprintf(stderr, Name ": no size and no drives given - aborting create.\n"); |
288 | return 1; | |
289 | } | |
c13c45e9 | 290 | if (level > 0 || level == LEVEL_MULTIPATH || level == LEVEL_FAULTY) { |
b5e64645 | 291 | /* size is meaningful */ |
5dd497ee | 292 | if (minsize > 0x100000000ULL && st->ss->major == 0) { |
b5e64645 NB |
293 | fprintf(stderr, Name ": devices too large for RAID level %d\n", level); |
294 | return 1; | |
295 | } | |
296 | size = minsize; | |
dab6685f | 297 | if (verbose > 0) |
5dd497ee | 298 | fprintf(stderr, Name ": size set to %lluK\n", size); |
b5e64645 | 299 | } |
682c7051 | 300 | } |
b5e64645 | 301 | if (level > 0 && ((maxsize-size)*100 > maxsize)) { |
dab6685f | 302 | if (runstop != 1 || verbose >= 0) |
5dd497ee | 303 | fprintf(stderr, Name ": largest drive (%s) exceed size (%lluK) by more than 1%%\n", |
dab6685f | 304 | maxdisc, size); |
52826846 | 305 | warn = 1; |
682c7051 NB |
306 | } |
307 | ||
308 | if (warn) { | |
52826846 NB |
309 | if (runstop!= 1) { |
310 | if (!ask("Continue creating array? ")) { | |
311 | fprintf(stderr, Name ": create aborted.\n"); | |
312 | return 1; | |
313 | } | |
314 | } else { | |
dab6685f | 315 | if (verbose > 0) |
52826846 | 316 | fprintf(stderr, Name ": creation continuing despite oddities due to --run\n"); |
682c7051 | 317 | } |
682c7051 NB |
318 | } |
319 | ||
52826846 NB |
320 | /* If this is raid5, we want to configure the last active slot |
321 | * as missing, so that a reconstruct happens (faster than re-parity) | |
98c6faba | 322 | * FIX: Can we do this for raid6 as well? |
52826846 | 323 | */ |
47d79ef8 | 324 | if (assume_clean==0 && force == 0 && first_missing >= raiddisks) { |
98c6faba NB |
325 | switch ( level ) { |
326 | case 5: | |
327 | insert_point = raiddisks-1; | |
328 | sparedisks++; | |
329 | array.active_disks--; | |
330 | missing_disks++; | |
331 | break; | |
332 | default: | |
333 | break; | |
334 | } | |
52826846 NB |
335 | } |
336 | ||
682c7051 NB |
337 | /* Ok, lets try some ioctls */ |
338 | ||
339 | array.level = level; | |
340 | array.size = size; | |
682c7051 | 341 | array.raid_disks = raiddisks; |
82b27616 NB |
342 | /* The kernel should *know* what md_minor we are dealing |
343 | * with, but it chooses to trust me instead. Sigh | |
344 | */ | |
682c7051 | 345 | array.md_minor = 0; |
82b27616 | 346 | if (fstat(mdfd, &stb)==0) |
0df46c2a | 347 | array.md_minor = minor(stb.st_rdev); |
682c7051 | 348 | array.not_persistent = 0; |
98c6faba | 349 | /*** FIX: Need to do something about RAID-6 here ***/ |
b5e64645 NB |
350 | if ( ( (level == 5) && |
351 | (insert_point < raiddisks || first_missing < raiddisks) ) | |
352 | || | |
353 | ( level == 6 && missing_disks == 2) | |
47d79ef8 NB |
354 | || |
355 | assume_clean | |
b5e64645 | 356 | ) |
98c6faba | 357 | array.state = 1; /* clean, but one+ drive will be missing */ |
82b27616 | 358 | else |
52826846 | 359 | array.state = 0; /* not clean, but no errors */ |
82b27616 | 360 | |
f9c25f1d NB |
361 | if (level == 10) { |
362 | /* for raid10, the bitmap size is the capacity of the array, | |
363 | * which is array.size * raid_disks / ncopies; | |
364 | * .. but convert to sectors. | |
365 | */ | |
702b557b | 366 | int ncopies = ((layout>>8) & 255) * (layout & 255); |
5dd497ee NB |
367 | bitmapsize = (unsigned long long)size * raiddisks / ncopies * 2; |
368 | /* printf("bms=%llu as=%d rd=%d nc=%d\n", bitmapsize, size, raiddisks, ncopies);*/ | |
f9c25f1d | 369 | } else |
5dd497ee | 370 | bitmapsize = (unsigned long long)size * 2; |
f9c25f1d | 371 | |
82b27616 NB |
372 | /* There is lots of redundancy in these disk counts, |
373 | * raid_disks is the most meaningful value | |
374 | * it describes the geometry of the array | |
375 | * it is constant | |
376 | * nr_disks is total number of used slots. | |
377 | * it should be raid_disks+spare_disks | |
378 | * spare_disks is the number of extra disks present | |
379 | * see above | |
380 | * active_disks is the number of working disks in | |
381 | * active slots. (With raid_disks) | |
382 | * working_disks is the total number of working disks, | |
383 | * including spares | |
384 | * failed_disks is the number of disks marked failed | |
385 | * | |
386 | * Ideally, the kernel would keep these (except raid_disks) | |
387 | * up-to-date as we ADD_NEW_DISK, but it doesn't (yet). | |
388 | * So for now, we assume that all raid and spare | |
389 | * devices will be given. | |
390 | */ | |
52826846 NB |
391 | array.spare_disks=sparedisks; |
392 | array.failed_disks=missing_disks; | |
393 | array.nr_disks = array.working_disks + array.failed_disks; | |
682c7051 NB |
394 | array.layout = layout; |
395 | array.chunk_size = chunk*1024; | |
838acbc2 | 396 | array.major_version = st->ss->major; |
82d9eba6 | 397 | |
b3b33eb5 NB |
398 | if (name == NULL || *name == 0) { |
399 | /* base name on mddev */ | |
d1e80164 NB |
400 | /* /dev/md0 -> 0 |
401 | * /dev/md_d0 -> d0 | |
402 | * /dev/md/1 -> 1 | |
403 | * /dev/md/d1 -> d1 | |
404 | * /dev/md/home -> home | |
405 | * /dev/mdhome -> home | |
406 | */ | |
b3b33eb5 NB |
407 | name = strrchr(mddev, '/'); |
408 | if (name) { | |
409 | name++; | |
60248f74 NB |
410 | if (strncmp(name, "md_d", 4)==0 && |
411 | strlen(name) > 4 && | |
412 | isdigit(name[4]) && | |
b3b33eb5 | 413 | (name-mddev) == 5 /* /dev/ */) |
d1e80164 | 414 | name += 3; |
60248f74 NB |
415 | else if (strncmp(name, "md", 2)==0 && |
416 | strlen(name) > 2 && | |
417 | isdigit(name[2]) && | |
418 | (name-mddev) == 5 /* /dev/ */) | |
b3b33eb5 NB |
419 | name += 2; |
420 | } | |
421 | } | |
05697ec1 | 422 | if (!st->ss->init_super(st, &super, &array, size, name, homehost)) |
82d9eba6 | 423 | return 1; |
682c7051 | 424 | |
dcec9ee5 NB |
425 | if (bitmap_file && vers < 9003) { |
426 | major = BITMAP_MAJOR_HOSTENDIAN; | |
427 | #ifdef __BIG_ENDIAN | |
428 | fprintf(stderr, Name ": Warning - bitmaps created on this kernel are not portable\n" | |
429 | " between different architectured. Consider upgrading the Linux kernel.\n"); | |
430 | #endif | |
431 | } | |
432 | ||
55935d51 NB |
433 | if (bitmap_file && strcmp(bitmap_file, "internal")==0) { |
434 | if ((vers%100) < 2) { | |
435 | fprintf(stderr, Name ": internal bitmaps not supported by this kernel.\n"); | |
436 | return 1; | |
437 | } | |
199171a2 NB |
438 | if (!st->ss->add_internal_bitmap(st, super, &bitmap_chunk, |
439 | delay, write_behind, | |
f9c25f1d | 440 | bitmapsize, 1, major)) { |
55935d51 NB |
441 | fprintf(stderr, Name ": Given bitmap chunk size not supported.\n"); |
442 | return 1; | |
443 | } | |
444 | bitmap_file = NULL; | |
445 | } | |
446 | ||
447 | ||
448 | ||
82d9eba6 NB |
449 | if ((vers % 100) >= 1) { /* can use different versions */ |
450 | mdu_array_info_t inf; | |
451 | memset(&inf, 0, sizeof(inf)); | |
452 | inf.major_version = st->ss->major; | |
453 | inf.minor_version = st->minor_version; | |
454 | rv = ioctl(mdfd, SET_ARRAY_INFO, &inf); | |
455 | } else | |
456 | rv = ioctl(mdfd, SET_ARRAY_INFO, NULL); | |
457 | if (rv) { | |
52826846 NB |
458 | fprintf(stderr, Name ": SET_ARRAY_INFO failed for %s: %s\n", |
459 | mddev, strerror(errno)); | |
460 | return 1; | |
682c7051 | 461 | } |
52826846 | 462 | |
c82f047c NB |
463 | if (bitmap_file) { |
464 | int uuid[4]; | |
55935d51 | 465 | |
c82f047c | 466 | st->ss->uuid_from_super(uuid, super); |
dfd4d8ee | 467 | if (CreateBitmap(bitmap_file, force, (char*)uuid, bitmap_chunk, |
dcec9ee5 | 468 | delay, write_behind, |
f9c25f1d | 469 | bitmapsize, |
dcec9ee5 | 470 | major)) { |
c82f047c NB |
471 | return 1; |
472 | } | |
473 | bitmap_fd = open(bitmap_file, O_RDWR); | |
474 | if (bitmap_fd < 0) { | |
475 | fprintf(stderr, Name ": weird: %s cannot be openned\n", | |
dcec9ee5 | 476 | bitmap_file); |
c82f047c NB |
477 | return 1; |
478 | } | |
479 | if (ioctl(mdfd, SET_BITMAP_FILE, bitmap_fd) < 0) { | |
480 | fprintf(stderr, Name ": Cannot set bitmap file for %s: %s\n", | |
481 | mddev, strerror(errno)); | |
482 | return 1; | |
483 | } | |
484 | } | |
485 | ||
4b1ac34b NB |
486 | |
487 | ||
488 | for (pass=1; pass <=2 ; pass++) { | |
489 | mddev_dev_t moved_disk = NULL; /* the disk that was moved out of the insert point */ | |
490 | ||
491 | for (dnum=0, dv = devlist ; dv ; | |
492 | dv=(dv->next)?(dv->next):moved_disk, dnum++) { | |
493 | int fd; | |
494 | struct stat stb; | |
495 | mdu_disk_info_t disk; | |
496 | ||
497 | disk.number = dnum; | |
498 | if (dnum == insert_point) { | |
499 | moved_disk = dv; | |
52826846 | 500 | } |
4b1ac34b NB |
501 | disk.raid_disk = disk.number; |
502 | if (disk.raid_disk < raiddisks) | |
dfd4d8ee NB |
503 | disk.state = (1<<MD_DISK_ACTIVE) | |
504 | (1<<MD_DISK_SYNC); | |
4b1ac34b NB |
505 | else |
506 | disk.state = 0; | |
dfd4d8ee NB |
507 | if (dv->writemostly) |
508 | disk.state |= (1<<MD_DISK_WRITEMOSTLY); | |
509 | ||
4b1ac34b NB |
510 | if (dnum == insert_point || |
511 | strcasecmp(dv->devname, "missing")==0) { | |
512 | disk.major = 0; | |
513 | disk.minor = 0; | |
dfd4d8ee | 514 | disk.state = (1<<MD_DISK_FAULTY); |
4b1ac34b NB |
515 | } else { |
516 | fd = open(dv->devname, O_RDONLY|O_EXCL, 0); | |
517 | if (fd < 0) { | |
518 | fprintf(stderr, Name ": failed to open %s after earlier success - aborting\n", | |
519 | dv->devname); | |
520 | return 1; | |
521 | } | |
522 | fstat(fd, &stb); | |
523 | disk.major = major(stb.st_rdev); | |
524 | disk.minor = minor(stb.st_rdev); | |
0430ed48 | 525 | remove_partitions(fd); |
4b1ac34b NB |
526 | close(fd); |
527 | } | |
528 | switch(pass){ | |
529 | case 1: | |
82d9eba6 | 530 | st->ss->add_to_super(super, &disk); |
4b1ac34b NB |
531 | break; |
532 | case 2: | |
eaac7dde | 533 | if (disk.state == 1) break; |
6409687b NB |
534 | Kill(dv->devname, 0, 1); /* Just be sure it is clean */ |
535 | Kill(dv->devname, 0, 1); /* and again, there could be two superblocks */ | |
1bf4e2d9 | 536 | st->ss->write_init_super(st, super, &disk, dv->devname); |
4b1ac34b NB |
537 | |
538 | if (ioctl(mdfd, ADD_NEW_DISK, &disk)) { | |
539 | fprintf(stderr, Name ": ADD_NEW_DISK for %s failed: %s\n", | |
540 | dv->devname, strerror(errno)); | |
541 | free(super); | |
542 | return 1; | |
543 | } | |
544 | ||
545 | break; | |
546 | } | |
547 | if (dv == moved_disk && dnum != insert_point) break; | |
52826846 | 548 | } |
5e52ae9e | 549 | } |
4b1ac34b | 550 | free(super); |
5e52ae9e | 551 | |
682c7051 NB |
552 | /* param is not actually used */ |
553 | if (runstop == 1 || subdevs >= raiddisks) { | |
82b27616 | 554 | mdu_param_t param; |
682c7051 NB |
555 | if (ioctl(mdfd, RUN_ARRAY, ¶m)) { |
556 | fprintf(stderr, Name ": RUN_ARRAY failed: %s\n", | |
557 | strerror(errno)); | |
91f068bf | 558 | Manage_runstop(mddev, mdfd, -1, 0); |
682c7051 NB |
559 | return 1; |
560 | } | |
dab6685f NB |
561 | if (verbose >= 0) |
562 | fprintf(stderr, Name ": array %s started.\n", mddev); | |
682c7051 | 563 | } else { |
b83d95f3 | 564 | fprintf(stderr, Name ": not starting array - not enough devices.\n"); |
682c7051 NB |
565 | } |
566 | return 0; | |
64c4757e | 567 | } |