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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" | |
64c4757e | 33 | |
82b27616 NB |
34 | #define REGISTER_DEV _IO (MD_MAJOR, 1) |
35 | #define START_MD _IO (MD_MAJOR, 2) | |
36 | #define STOP_MD _IO (MD_MAJOR, 3) | |
37 | ||
64c4757e NB |
38 | int Manage_ro(char *devname, int fd, int readonly) |
39 | { | |
682c7051 NB |
40 | /* switch to readonly or rw |
41 | * | |
42 | * requires >= 0.90.0 | |
43 | * first check that array is runing | |
44 | * use RESTART_ARRAY_RW or STOP_ARRAY_RO | |
45 | * | |
46 | */ | |
47 | mdu_array_info_t array; | |
aba69144 | 48 | |
682c7051 NB |
49 | if (md_get_version(fd) < 9000) { |
50 | fprintf(stderr, Name ": need md driver version 0.90.0 or later\n"); | |
51 | return 1; | |
52 | } | |
53 | if (ioctl(fd, GET_ARRAY_INFO, &array)) { | |
54 | fprintf(stderr, Name ": %s does not appear to be active.\n", | |
55 | devname); | |
56 | return 1; | |
57 | } | |
aba69144 | 58 | |
682c7051 NB |
59 | if (readonly>0) { |
60 | if (ioctl(fd, STOP_ARRAY_RO, NULL)) { | |
61 | fprintf(stderr, Name ": failed to set readonly for %s: %s\n", | |
62 | devname, strerror(errno)); | |
63 | return 1; | |
64 | } | |
65 | } else if (readonly < 0) { | |
66 | if (ioctl(fd, RESTART_ARRAY_RW, NULL)) { | |
82b27616 | 67 | fprintf(stderr, Name ": failed to set writable for %s: %s\n", |
682c7051 NB |
68 | devname, strerror(errno)); |
69 | return 1; | |
70 | } | |
71 | } | |
aba69144 | 72 | return 0; |
64c4757e NB |
73 | } |
74 | ||
435d4ebb LB |
75 | #ifndef MDASSEMBLE |
76 | ||
91f068bf | 77 | int Manage_runstop(char *devname, int fd, int runstop, int quiet) |
64c4757e | 78 | { |
682c7051 NB |
79 | /* Run or stop the array. array must already be configured |
80 | * required >= 0.90.0 | |
81 | */ | |
682c7051 | 82 | mdu_param_t param; /* unused */ |
82b27616 NB |
83 | |
84 | if (runstop == -1 && md_get_version(fd) < 9000) { | |
85 | if (ioctl(fd, STOP_MD, 0)) { | |
91f068bf NB |
86 | if (!quiet) fprintf(stderr, Name ": stopping device %s failed: %s\n", |
87 | devname, strerror(errno)); | |
82b27616 NB |
88 | return 1; |
89 | } | |
90 | } | |
aba69144 | 91 | |
682c7051 NB |
92 | if (md_get_version(fd) < 9000) { |
93 | fprintf(stderr, Name ": need md driver version 0.90.0 or later\n"); | |
94 | return 1; | |
95 | } | |
82b27616 | 96 | /* |
682c7051 NB |
97 | if (ioctl(fd, GET_ARRAY_INFO, &array)) { |
98 | fprintf(stderr, Name ": %s does not appear to be active.\n", | |
99 | devname); | |
100 | return 1; | |
101 | } | |
82b27616 | 102 | */ |
682c7051 NB |
103 | if (runstop>0) { |
104 | if (ioctl(fd, RUN_ARRAY, ¶m)) { | |
105 | fprintf(stderr, Name ": failed to run array %s: %s\n", | |
106 | devname, strerror(errno)); | |
107 | return 1; | |
108 | } | |
8382f19b NB |
109 | if (quiet <= 0) |
110 | fprintf(stderr, Name ": started %s\n", devname); | |
682c7051 | 111 | } else if (runstop < 0){ |
8382f19b NB |
112 | struct map_ent *map = NULL; |
113 | struct stat stb; | |
682c7051 | 114 | if (ioctl(fd, STOP_ARRAY, NULL)) { |
ab56093f | 115 | if (quiet==0) |
91f068bf NB |
116 | fprintf(stderr, Name ": fail to stop array %s: %s\n", |
117 | devname, strerror(errno)); | |
682c7051 NB |
118 | return 1; |
119 | } | |
ab56093f NB |
120 | if (quiet <= 0) |
121 | fprintf(stderr, Name ": stopped %s\n", devname); | |
8382f19b NB |
122 | if (fstat(fd, &stb) == 0) { |
123 | int devnum; | |
124 | if (major(stb.st_rdev) == MD_MAJOR) | |
125 | devnum = minor(stb.st_rdev); | |
126 | else | |
127 | devnum = -1-(minor(stb.st_rdev)>>6); | |
128 | map_delete(&map, devnum); | |
129 | map_write(map); | |
130 | map_free(map); | |
131 | } | |
682c7051 NB |
132 | } |
133 | return 0; | |
64c4757e NB |
134 | } |
135 | ||
dd0781e5 NB |
136 | int Manage_resize(char *devname, int fd, long long size, int raid_disks) |
137 | { | |
138 | mdu_array_info_t info; | |
139 | if (ioctl(fd, GET_ARRAY_INFO, &info) != 0) { | |
140 | fprintf(stderr, Name ": Cannot get array information for %s: %s\n", | |
141 | devname, strerror(errno)); | |
142 | return 1; | |
143 | } | |
144 | if (size >= 0) | |
145 | info.size = size; | |
146 | if (raid_disks > 0) | |
147 | info.raid_disks = raid_disks; | |
148 | if (ioctl(fd, SET_ARRAY_INFO, &info) != 0) { | |
149 | fprintf(stderr, Name ": Cannot set device size/shape for %s: %s\n", | |
150 | devname, strerror(errno)); | |
151 | return 1; | |
152 | } | |
153 | return 0; | |
154 | } | |
155 | ||
b5e64645 NB |
156 | int Manage_reconfig(char *devname, int fd, int layout) |
157 | { | |
158 | mdu_array_info_t info; | |
159 | if (ioctl(fd, GET_ARRAY_INFO, &info) != 0) { | |
160 | fprintf(stderr, Name ": Cannot get array information for %s: %s\n", | |
161 | devname, strerror(errno)); | |
162 | return 1; | |
163 | } | |
164 | info.layout = layout; | |
165 | printf("layout set to %d\n", info.layout); | |
166 | if (ioctl(fd, SET_ARRAY_INFO, &info) != 0) { | |
167 | fprintf(stderr, Name ": Cannot set layout for %s: %s\n", | |
168 | devname, strerror(errno)); | |
169 | return 1; | |
170 | } | |
171 | return 0; | |
172 | } | |
dd0781e5 | 173 | |
f7dd881f DW |
174 | static int |
175 | add_remove_device_container(int fd, int add_remove, struct stat *stb) | |
176 | { | |
177 | int devnum = fd2devnum(fd); | |
178 | char *devname = devnum2devname(devnum); | |
179 | int sfd = devname ? connect_monitor(devname) : -1; | |
180 | struct md_message msg; | |
181 | int err = 0; | |
182 | ||
183 | if (devname && sfd < 0) { | |
184 | fprintf(stderr, Name ": Cannot connect to monitor for %s: %s\n", | |
185 | devname, strerror(errno)); | |
186 | free(devname); | |
187 | return 1; | |
188 | } else if (sfd < 0) { | |
189 | fprintf(stderr, Name ": Cannot determine container name for" | |
190 | " device number %d\n", devnum); | |
191 | return 1; | |
192 | } | |
193 | ||
194 | if (add_remove) | |
195 | ack(sfd, 0, 0); | |
196 | else if (send_remove_device(sfd, stb->st_rdev, 0, 0) != 0) { | |
197 | fprintf(stderr, Name ": Failed to send \'%s device\'" | |
198 | " message to the container monitor\n", | |
199 | add_remove ? "add" : "remove"); | |
200 | err = 1; | |
201 | } | |
202 | ||
203 | /* check the reply */ | |
204 | if (!err && receive_message(sfd, &msg, 0) != 0) { | |
205 | fprintf(stderr, Name ": Failed to receive an acknowledgement" | |
206 | " from the container monitor\n"); | |
207 | err = 1; | |
208 | } | |
209 | ||
210 | if (!err && msg.seq != 0) { | |
211 | fprintf(stderr, Name ": %s device failed error code %d\n", | |
212 | add_remove ? "Add" : "Remove", msg.seq); | |
213 | err = 1; | |
214 | } | |
215 | ||
216 | free(devname); | |
217 | close(sfd); | |
218 | ||
219 | return err; | |
220 | } | |
221 | ||
64c4757e | 222 | int Manage_subdevs(char *devname, int fd, |
dab6685f | 223 | mddev_dev_t devlist, int verbose) |
cd29a5c8 | 224 | { |
682c7051 NB |
225 | /* do something to each dev. |
226 | * devmode can be | |
227 | * 'a' - add the device | |
228 | * try HOT_ADD_DISK | |
229 | * If that fails EINVAL, try ADD_NEW_DISK | |
230 | * 'r' - remove the device HOT_REMOVE_DISK | |
b80da661 NB |
231 | * device can be 'faulty' or 'detached' in which case all |
232 | * matching devices are removed. | |
682c7051 | 233 | * 'f' - set the device faulty SET_DISK_FAULTY |
b80da661 NB |
234 | * device can be 'detached' in which case any device that |
235 | * is inaccessible will be marked faulty. | |
682c7051 NB |
236 | */ |
237 | mdu_array_info_t array; | |
238 | mdu_disk_info_t disc; | |
7a3be72f | 239 | unsigned long long array_size; |
b80da661 | 240 | mddev_dev_t dv, next = NULL; |
682c7051 | 241 | struct stat stb; |
b80da661 | 242 | int j, jnext = 0; |
0fbf459d | 243 | int tfd; |
3da92f27 | 244 | struct supertype *st, *tst; |
fe80f49b NB |
245 | int duuid[4]; |
246 | int ouuid[4]; | |
682c7051 NB |
247 | |
248 | if (ioctl(fd, GET_ARRAY_INFO, &array)) { | |
249 | fprintf(stderr, Name ": cannot get array info for %s\n", | |
250 | devname); | |
251 | return 1; | |
252 | } | |
3da92f27 | 253 | |
7a3be72f NB |
254 | /* array.size is only 32 bit and may be truncated. |
255 | * So read from sysfs if possible, and record number of sectors | |
256 | */ | |
257 | ||
258 | array_size = get_component_size(fd); | |
259 | if (array_size <= 0) | |
260 | array_size = array.size * 2; | |
261 | ||
1686dc25 | 262 | tst = super_by_fd(fd); |
3da92f27 NB |
263 | if (!tst) { |
264 | fprintf(stderr, Name ": unsupport array - version %d.%d\n", | |
265 | array.major_version, array.minor_version); | |
266 | return 1; | |
267 | } | |
268 | ||
b80da661 | 269 | for (dv = devlist, j=0 ; dv; dv = next, j = jnext) { |
4a39c6f2 | 270 | unsigned long long ldsize; |
b80da661 NB |
271 | char dvname[20]; |
272 | char *dnprintable = dv->devname; | |
4a39c6f2 | 273 | |
b80da661 NB |
274 | next = dv->next; |
275 | jnext = 0; | |
276 | ||
277 | if (strcmp(dv->devname, "failed")==0 || | |
278 | strcmp(dv->devname, "faulty")==0) { | |
279 | if (dv->disposition != 'r') { | |
280 | fprintf(stderr, Name ": %s only meaningful " | |
281 | "with -r, not -%c\n", | |
282 | dv->devname, dv->disposition); | |
283 | return 1; | |
284 | } | |
285 | for (; j < array.raid_disks + array.nr_disks ; j++) { | |
286 | disc.number = j; | |
287 | if (ioctl(fd, GET_DISK_INFO, &disc)) | |
288 | continue; | |
289 | if (disc.major == 0 && disc.minor == 0) | |
290 | continue; | |
291 | if ((disc.state & 1) == 0) /* faulty */ | |
292 | continue; | |
293 | stb.st_rdev = makedev(disc.major, disc.minor); | |
294 | next = dv; | |
295 | jnext = j+1; | |
296 | sprintf(dvname,"%d:%d", disc.major, disc.minor); | |
297 | dnprintable = dvname; | |
298 | break; | |
299 | } | |
300 | if (jnext == 0) | |
301 | continue; | |
302 | } else if (strcmp(dv->devname, "detached") == 0) { | |
303 | if (dv->disposition != 'r' && dv->disposition != 'f') { | |
304 | fprintf(stderr, Name ": %s only meaningful " | |
305 | "with -r of -f, not -%c\n", | |
306 | dv->devname, dv->disposition); | |
307 | return 1; | |
308 | } | |
309 | for (; j < array.raid_disks + array.nr_disks; j++) { | |
310 | int sfd; | |
311 | disc.number = j; | |
312 | if (ioctl(fd, GET_DISK_INFO, &disc)) | |
313 | continue; | |
314 | if (disc.major == 0 && disc.minor == 0) | |
315 | continue; | |
316 | sprintf(dvname,"%d:%d", disc.major, disc.minor); | |
317 | sfd = dev_open(dvname, O_RDONLY); | |
318 | if (sfd >= 0) { | |
319 | close(sfd); | |
320 | continue; | |
321 | } | |
322 | if (dv->disposition == 'f' && | |
323 | (disc.state & 1) == 1) /* already faulty */ | |
324 | continue; | |
325 | if (errno != ENXIO) | |
326 | continue; | |
327 | stb.st_rdev = makedev(disc.major, disc.minor); | |
328 | next = dv; | |
329 | jnext = j+1; | |
330 | dnprintable = dvname; | |
331 | break; | |
332 | } | |
333 | if (jnext == 0) | |
334 | continue; | |
335 | } else { | |
336 | j = 0; | |
337 | ||
338 | if (stat(dv->devname, &stb)) { | |
339 | fprintf(stderr, Name ": cannot find %s: %s\n", | |
340 | dv->devname, strerror(errno)); | |
341 | return 1; | |
342 | } | |
343 | if ((stb.st_mode & S_IFMT) != S_IFBLK) { | |
344 | fprintf(stderr, Name ": %s is not a " | |
345 | "block device.\n", | |
346 | dv->devname); | |
347 | return 1; | |
348 | } | |
682c7051 | 349 | } |
cd29a5c8 | 350 | switch(dv->disposition){ |
682c7051 | 351 | default: |
c913b90e NB |
352 | fprintf(stderr, Name ": internal error - devmode[%s]=%d\n", |
353 | dv->devname, dv->disposition); | |
682c7051 NB |
354 | return 1; |
355 | case 'a': | |
4a39c6f2 | 356 | /* add the device */ |
f7e7067b | 357 | if (tst->subarray[0]) { |
f7dd881f DW |
358 | fprintf(stderr, Name ": Cannot add disks to a" |
359 | " \'member\' array, perform this" | |
360 | " operation on the parent container\n"); | |
361 | return 1; | |
362 | } else if (tst->ss->external) | |
363 | return add_remove_device_container(fd, 1, &stb); | |
f277ce36 | 364 | /* Make sure it isn't in use (in 2.6 or later) */ |
0fbf459d NB |
365 | tfd = open(dv->devname, O_RDONLY|O_EXCL); |
366 | if (tfd < 0) { | |
d7eaf49f NB |
367 | fprintf(stderr, Name ": Cannot open %s: %s\n", |
368 | dv->devname, strerror(errno)); | |
369 | return 1; | |
370 | } | |
25037aa8 | 371 | remove_partitions(tfd); |
3da92f27 | 372 | |
1686dc25 | 373 | st = dup_super(tst); |
3da92f27 | 374 | |
fe80f49b | 375 | if (array.not_persistent==0) |
3da92f27 NB |
376 | st->ss->load_super(st, tfd, NULL); |
377 | ||
beae1dfe | 378 | if (!get_dev_size(tfd, dv->devname, &ldsize)) { |
4a39c6f2 NB |
379 | close(tfd); |
380 | return 1; | |
4a39c6f2 | 381 | } |
0fbf459d | 382 | close(tfd); |
fe80f49b | 383 | |
60d9a174 NB |
384 | if (array.major_version == 0 && |
385 | md_get_version(fd)%100 < 2) { | |
892debc8 NB |
386 | if (ioctl(fd, HOT_ADD_DISK, |
387 | (unsigned long)stb.st_rdev)==0) { | |
dab6685f NB |
388 | if (verbose >= 0) |
389 | fprintf(stderr, Name ": hot added %s\n", | |
390 | dv->devname); | |
892debc8 NB |
391 | continue; |
392 | } | |
393 | ||
cd29a5c8 | 394 | fprintf(stderr, Name ": hot add failed for %s: %s\n", |
892debc8 | 395 | dv->devname, strerror(errno)); |
cd29a5c8 NB |
396 | return 1; |
397 | } | |
892debc8 | 398 | |
fe80f49b NB |
399 | if (array.not_persistent == 0) { |
400 | ||
4a39c6f2 | 401 | /* Make sure device is large enough */ |
3da92f27 | 402 | if (tst->ss->avail_size(tst, ldsize/512) < |
7a3be72f | 403 | array_size) { |
4a39c6f2 NB |
404 | fprintf(stderr, Name ": %s not large enough to join array\n", |
405 | dv->devname); | |
406 | return 1; | |
407 | } | |
408 | ||
fe80f49b | 409 | /* need to find a sample superblock to copy, and |
aba69144 | 410 | * a spare slot to use |
fe80f49b | 411 | */ |
3da92f27 | 412 | for (j = 0; j < tst->max_devs; j++) { |
fe80f49b NB |
413 | char *dev; |
414 | int dfd; | |
415 | disc.number = j; | |
416 | if (ioctl(fd, GET_DISK_INFO, &disc)) | |
417 | continue; | |
418 | if (disc.major==0 && disc.minor==0) | |
419 | continue; | |
420 | if ((disc.state & 4)==0) continue; /* sync */ | |
421 | /* Looks like a good device to try */ | |
16c6fa80 | 422 | dev = map_dev(disc.major, disc.minor, 1); |
fe80f49b | 423 | if (!dev) continue; |
16c6fa80 | 424 | dfd = dev_open(dev, O_RDONLY); |
fe80f49b | 425 | if (dfd < 0) continue; |
3da92f27 NB |
426 | if (tst->ss->load_super(tst, dfd, |
427 | NULL)) { | |
fe80f49b NB |
428 | close(dfd); |
429 | continue; | |
430 | } | |
892debc8 | 431 | close(dfd); |
fe80f49b NB |
432 | break; |
433 | } | |
3da92f27 | 434 | if (!tst->sb) { |
fe80f49b NB |
435 | fprintf(stderr, Name ": cannot find valid superblock in this array - HELP\n"); |
436 | return 1; | |
437 | } | |
438 | /* Possibly this device was recently part of the array | |
439 | * and was temporarily removed, and is now being re-added. | |
440 | * If so, we can simply re-add it. | |
441 | */ | |
3da92f27 | 442 | tst->ss->uuid_from_super(tst, duuid); |
7eae7080 NB |
443 | |
444 | /* re-add doesn't work for version-1 superblocks | |
445 | * before 2.6.18 :-( | |
446 | */ | |
447 | if (array.major_version == 1 && | |
448 | get_linux_version() <= 2006018) | |
449 | ; | |
3da92f27 NB |
450 | else if (st->sb) { |
451 | st->ss->uuid_from_super(st, ouuid); | |
fe80f49b | 452 | if (memcmp(duuid, ouuid, sizeof(ouuid))==0) { |
4d20d744 NB |
453 | /* looks close enough for now. Kernel |
454 | * will worry about whether a bitmap | |
455 | * based reconstruction is possible. | |
fe80f49b NB |
456 | */ |
457 | struct mdinfo mdi; | |
3da92f27 | 458 | st->ss->getinfo_super(st, &mdi); |
fe80f49b NB |
459 | disc.major = major(stb.st_rdev); |
460 | disc.minor = minor(stb.st_rdev); | |
461 | disc.number = mdi.disk.number; | |
462 | disc.raid_disk = mdi.disk.raid_disk; | |
463 | disc.state = mdi.disk.state; | |
4d20d744 NB |
464 | if (dv->writemostly) |
465 | disc.state |= 1 << MD_DISK_WRITEMOSTLY; | |
fe80f49b NB |
466 | if (ioctl(fd, ADD_NEW_DISK, &disc) == 0) { |
467 | if (verbose >= 0) | |
468 | fprintf(stderr, Name ": re-added %s\n", dv->devname); | |
308e1801 | 469 | continue; |
fe80f49b NB |
470 | } |
471 | /* fall back on normal-add */ | |
472 | } | |
892debc8 | 473 | } |
4a39c6f2 NB |
474 | } else { |
475 | /* non-persistent. Must ensure that new drive | |
476 | * is at least array.size big. | |
477 | */ | |
7a3be72f | 478 | if (ldsize/512 < array_size) { |
4a39c6f2 NB |
479 | fprintf(stderr, Name ": %s not large enough to join array\n", |
480 | dv->devname); | |
481 | return 1; | |
482 | } | |
892debc8 | 483 | } |
7eae7080 NB |
484 | /* in 2.6.17 and earlier, version-1 superblocks won't |
485 | * use the number we write, but will choose a free number. | |
486 | * we must choose the same free number, which requires | |
487 | * starting at 'raid_disks' and counting up | |
488 | */ | |
3da92f27 | 489 | for (j = array.raid_disks; j< tst->max_devs; j++) { |
aa88f531 | 490 | disc.number = j; |
682c7051 NB |
491 | if (ioctl(fd, GET_DISK_INFO, &disc)) |
492 | break; | |
493 | if (disc.major==0 && disc.minor==0) | |
494 | break; | |
495 | if (disc.state & 8) /* removed */ | |
496 | break; | |
497 | } | |
0df46c2a NB |
498 | disc.major = major(stb.st_rdev); |
499 | disc.minor = minor(stb.st_rdev); | |
892debc8 NB |
500 | disc.number =j; |
501 | disc.state = 0; | |
fe80f49b | 502 | if (array.not_persistent==0) { |
111d01fc | 503 | int dfd; |
fe80f49b NB |
504 | if (dv->writemostly) |
505 | disc.state |= 1 << MD_DISK_WRITEMOSTLY; | |
111d01fc NB |
506 | dfd = open(dv->devname, O_RDWR | O_EXCL); |
507 | tst->ss->add_to_super(tst, &disc, dfd, | |
508 | dv->devname); | |
509 | /* write_init_super will close 'dfd' */ | |
510 | if (tst->ss->write_init_super(tst)) | |
fe80f49b NB |
511 | return 1; |
512 | } else if (dv->re_add) { | |
513 | /* this had better be raid1. | |
514 | * As we are "--re-add"ing we must find a spare slot | |
515 | * to fill. | |
516 | */ | |
517 | char *used = malloc(array.raid_disks); | |
518 | memset(used, 0, array.raid_disks); | |
3da92f27 | 519 | for (j=0; j< tst->max_devs; j++) { |
fe80f49b NB |
520 | mdu_disk_info_t disc2; |
521 | disc2.number = j; | |
522 | if (ioctl(fd, GET_DISK_INFO, &disc2)) | |
523 | continue; | |
524 | if (disc2.major==0 && disc2.minor==0) | |
525 | continue; | |
526 | if (disc2.state & 8) /* removed */ | |
527 | continue; | |
528 | if (disc2.raid_disk < 0) | |
529 | continue; | |
530 | if (disc2.raid_disk > array.raid_disks) | |
531 | continue; | |
532 | used[disc2.raid_disk] = 1; | |
533 | } | |
534 | for (j=0 ; j<array.raid_disks; j++) | |
535 | if (!used[j]) { | |
536 | disc.raid_disk = j; | |
537 | disc.state |= (1<<MD_DISK_SYNC); | |
538 | break; | |
539 | } | |
540 | } | |
d8def61c NB |
541 | if (dv->writemostly) |
542 | disc.state |= (1 << MD_DISK_WRITEMOSTLY); | |
682c7051 | 543 | if (ioctl(fd,ADD_NEW_DISK, &disc)) { |
f277ce36 NB |
544 | fprintf(stderr, Name ": add new device failed for %s as %d: %s\n", |
545 | dv->devname, j, strerror(errno)); | |
682c7051 NB |
546 | return 1; |
547 | } | |
dab6685f NB |
548 | if (verbose >= 0) |
549 | fprintf(stderr, Name ": added %s\n", dv->devname); | |
682c7051 NB |
550 | break; |
551 | ||
552 | case 'r': | |
553 | /* hot remove */ | |
f7e7067b | 554 | if (tst->subarray[0]) { |
f7dd881f DW |
555 | fprintf(stderr, Name ": Cannot remove disks from a" |
556 | " \'member\' array, perform this" | |
557 | " operation on the parent container\n"); | |
558 | return 1; | |
559 | } else if (tst->ss->external) | |
560 | return add_remove_device_container(fd, 0, &stb); | |
82b27616 | 561 | /* FIXME check that it is a current member */ |
cd29a5c8 | 562 | if (ioctl(fd, HOT_REMOVE_DISK, (unsigned long)stb.st_rdev)) { |
b80da661 NB |
563 | fprintf(stderr, Name ": hot remove failed " |
564 | "for %s: %s\n", dnprintable, | |
565 | strerror(errno)); | |
682c7051 NB |
566 | return 1; |
567 | } | |
dab6685f | 568 | if (verbose >= 0) |
b80da661 NB |
569 | fprintf(stderr, Name ": hot removed %s\n", |
570 | dnprintable); | |
682c7051 NB |
571 | break; |
572 | ||
573 | case 'f': /* set faulty */ | |
574 | /* FIXME check current member */ | |
cd29a5c8 | 575 | if (ioctl(fd, SET_DISK_FAULTY, (unsigned long) stb.st_rdev)) { |
b83d95f3 | 576 | fprintf(stderr, Name ": set device faulty failed for %s: %s\n", |
b80da661 | 577 | dnprintable, strerror(errno)); |
682c7051 NB |
578 | return 1; |
579 | } | |
dab6685f NB |
580 | if (verbose >= 0) |
581 | fprintf(stderr, Name ": set %s faulty in %s\n", | |
b80da661 | 582 | dnprintable, devname); |
682c7051 NB |
583 | break; |
584 | } | |
585 | } | |
586 | return 0; | |
aba69144 | 587 | |
64c4757e | 588 | } |
1f48664b NB |
589 | |
590 | int autodetect(void) | |
591 | { | |
592 | /* Open any md device, and issue the RAID_AUTORUN ioctl */ | |
593 | int rv = 1; | |
594 | int fd = dev_open("9:0", O_RDONLY); | |
595 | if (fd >= 0) { | |
596 | if (ioctl(fd, RAID_AUTORUN, 0) == 0) | |
597 | rv = 0; | |
598 | close(fd); | |
599 | } | |
600 | return rv; | |
601 | } | |
435d4ebb | 602 | #endif |