{
if (ident->uuid_set && (!update || strcmp(update, "uuid")!= 0) &&
- same_uuid(content->uuid, ident->uuid, tst->ss->swapuuid)==0) {
+ same_uuid(content->uuid, ident->uuid, tst->ss->swapuuid)==0 &&
+ memcmp(content->uuid, uuid_zero, sizeof(int[4])) != 0) {
if (devname)
fprintf(stderr, Name ": %s has wrong uuid.\n",
devname);
int Assemble(struct supertype *st, char *mddev,
struct mddev_ident *ident,
- struct mddev_dev *devlist, char *backup_file,
+ struct mddev_dev *devlist,
+ char *backup_file, int invalid_backup,
int readonly, int runstop,
char *update, char *homehost, int require_homehost,
int verbose, int force)
char *name = NULL;
int trustworthy;
char chosen_name[1024];
+ struct domainlist *domains = NULL;
if (get_linux_version() < 2004000)
old_linux = 1;
fprintf(stderr, Name ": %s is a container, but we are looking for components\n",
devname);
tmpdev->used = 2;
+#if !defined(MDASSEMBLE) || defined(MDASSEMBLE) && defined(MDASSEMBLE_AUTO)
} if (!tst && (tst = super_by_fd(dfd, NULL)) == NULL) {
if (report_missmatch)
fprintf(stderr, Name ": not a recognisable container: %s\n",
devname);
tmpdev->used = 2;
+#endif
} else if (!tst->ss->load_container
|| tst->ss->load_container(tst, dfd, NULL)) {
if (report_missmatch)
}
if (dfd >= 0) close(dfd);
if (tmpdev->used == 2) {
- if (auto_assem)
+ if (auto_assem || !inargv)
/* Ignore unrecognised devices during auto-assembly */
goto loop;
if (ident->uuid_set || ident->name[0] ||
if (st)
st->ss->free_super(st);
dev_policy_free(pol);
+ domain_free(domains);
return 1;
}
content;
content = content->next) {
+ /* do not assemble arrays that might have bad blocks */
+ if (content->array.state & (1<<MD_SB_BBM_ERRORS)) {
+ fprintf(stderr, Name ": BBM log found in metadata. "
+ "Cannot activate array(s).\n");
+ tmpdev->used = 2;
+ goto loop;
+ }
if (!ident_matches(ident, content, tst,
homehost, update,
report_missmatch ? devname : NULL))
devname);
st->ss->free_super(st);
dev_policy_free(pol);
+ domain_free(domains);
return 1;
}
if (verbose > 0)
homehost, update,
report_missmatch ? devname : NULL))
goto loop;
-
+
if (st == NULL)
st = dup_super(tst);
if (st->minor_version == -1)
st->minor_version = tst->minor_version;
+
+ if (memcmp(content->uuid, uuid_zero,
+ sizeof(int[4])) == 0) {
+ /* this is a floating spare. It cannot define
+ * an array unless there are no more arrays of
+ * this type to be found. It can be included
+ * in an array of this type though.
+ */
+ tmpdev->used = 3;
+ goto loop;
+ }
+
if (st->ss != tst->ss ||
st->minor_version != tst->minor_version ||
st->ss->compare_super(st, tst) != 0) {
tst->ss->free_super(tst);
st->ss->free_super(st);
dev_policy_free(pol);
+ domain_free(domains);
return 1;
}
tmpdev->used = 1;
}
loop:
+ /* Collect domain information from members only */
+ if (tmpdev && tmpdev->used == 1) {
+ if (!pol)
+ pol = devnum_policy(stb.st_rdev);
+ domain_merge(&domains, pol, tst?tst->ss->name:NULL);
+ }
dev_policy_free(pol);
pol = NULL;
if (tst)
tst->ss->free_super(tst);
}
+ /* Check if we found some imsm spares but no members */
+ if ((auto_assem ||
+ (ident->uuid_set &&
+ memcmp(uuid_zero, ident->uuid,sizeof(uuid_zero)) == 0)) &&
+ (!st || !st->sb))
+ for (tmpdev = devlist; tmpdev; tmpdev = tmpdev->next) {
+ if (tmpdev->used != 3)
+ continue;
+ tmpdev->used = 1;
+ content = &info;
+
+ if (!st->sb) {
+ /* we need sb from one of the spares */
+ int dfd = dev_open(tmpdev->devname, O_RDONLY);
+ if (dfd < 0 ||
+ st->ss->load_super(st, dfd, NULL))
+ tmpdev->used = 2;
+ if (dfd > 0)
+ close(dfd);
+ }
+ }
+
+ /* Now reject spares that don't match domains of identified members */
+ for (tmpdev = devlist; tmpdev; tmpdev = tmpdev->next) {
+ struct stat stb;
+ if (tmpdev->used != 3)
+ continue;
+ if (stat(tmpdev->devname, &stb)< 0) {
+ fprintf(stderr, Name ": fstat failed for %s: %s\n",
+ tmpdev->devname, strerror(errno));
+ tmpdev->used = 2;
+ } else {
+ struct dev_policy *pol = devnum_policy(stb.st_rdev);
+ int dt = domain_test(domains, pol, NULL);
+ if (inargv && dt != 0)
+ /* take this spare as domains match
+ * if there are any */
+ tmpdev->used = 1;
+ else if (!inargv && dt == 1)
+ /* device wasn't explicitly listed, so need
+ * explicit domain match - which we have */
+ tmpdev->used = 1;
+ else
+ /* if domains don't match mark as unused */
+ tmpdev->used = 0;
+ dev_policy_free(pol);
+ }
+ }
+ domain_free(domains);
+
if (!st || !st->sb || !content)
return 2;
#ifndef MDASSEMBLE
if (content != &info) {
/* This is a member of a container. Try starting the array. */
- return assemble_container_content(st, mdfd, content, runstop,
- chosen_name, verbose);
+ int err;
+ err = assemble_container_content(st, mdfd, content, runstop,
+ chosen_name, verbose,
+ backup_file);
+ close(mdfd);
+ return err;
}
#endif
/* Ok, no bad inconsistancy, we can try updating etc */
if (content->array.level != LEVEL_MULTIPATH)
if (!(devices[j].i.disk.state & (1<<MD_DISK_ACTIVE))) {
if (!(devices[j].i.disk.state
- & (1<<MD_DISK_FAULTY)))
+ & (1<<MD_DISK_FAULTY))) {
+ devices[j].uptodate = 1;
sparecnt++;
+ }
continue;
}
/* If this devices thinks that 'most_recent' has failed, then
continue;
if (!devices[j].uptodate)
continue;
+ if (devices[j].i.events < devices[most_recent].i.events)
+ continue;
chosen_drive = j;
if ((fd=dev_open(devices[j].devname, O_RDONLY|O_EXCL))< 0) {
fprintf(stderr, Name ": Cannot open %s: %s\n",
free(devices);
return 1;
}
+ if (verbose >= 0)
+ fprintf(stderr, Name ": Marking array %s as 'clean'\n",
+ mddev);
close(fd);
}
} else
fdlist[i] = -1;
}
- if (!err)
- err = Grow_restart(st, content, fdlist, bestcnt, backup_file, verbose > 0);
+ if (!err) {
+ err = Grow_restart(st, content, fdlist, bestcnt,
+ backup_file, verbose > 0);
+ if (err && invalid_backup) {
+ if (verbose > 0)
+ fprintf(stderr, Name ": continuing"
+ " without restoring backup\n");
+ err = 0;
+ }
+ }
while (i>0) {
i--;
if (fdlist[i]>=0) close(fdlist[i]);
content->array.raid_disks);
fprintf(stderr, "\n");
}
+ st->ss->free_super(st);
sysfs_uevent(content, "change");
wait_for(chosen_name, mdfd);
close(mdfd);
#ifndef MDASSEMBLE
int assemble_container_content(struct supertype *st, int mdfd,
struct mdinfo *content, int runstop,
- char *chosen_name, int verbose)
+ char *chosen_name, int verbose,
+ char *backup_file)
{
struct mdinfo *dev, *sra;
int working = 0, preexist = 0;
+ int expansion = 0;
struct map_ent *map = NULL;
+ int old_raid_disks;
sysfs_init(content, mdfd, 0);
sra = sysfs_read(mdfd, 0, GET_VERSION);
if (sra == NULL || strcmp(sra->text_version, content->text_version) != 0)
- if (sysfs_set_array(content, md_get_version(mdfd)) != 0) {
- close(mdfd);
+ if (sysfs_set_array(content, md_get_version(mdfd)) != 0)
return 1;
- }
+
+ if (content->reshape_active)
+ block_subarray(content);
+
if (sra)
sysfs_free(sra);
-
+ old_raid_disks = content->array.raid_disks - content->delta_disks;
for (dev = content->devs; dev; dev = dev->next)
- if (sysfs_add_disk(content, dev, 1) == 0)
- working++;
- else if (errno == EEXIST)
+ if (sysfs_add_disk(content, dev, 1) == 0) {
+ if (dev->disk.raid_disk >= old_raid_disks &&
+ content->reshape_active)
+ expansion++;
+ else
+ working++;
+ } else if (errno == EEXIST)
preexist++;
- if (working == 0) {
- close(mdfd);
+ if (working == 0)
return 1;/* Nothing new, don't try to start */
- }
-
+
map_update(&map, fd2devnum(mdfd),
content->text_version,
content->uuid, chosen_name);
if (runstop > 0 ||
- (working + preexist) >= content->array.working_disks) {
+ (working + preexist + expansion) >=
+ content->array.working_disks) {
int err;
- switch(content->array.level) {
+ if (content->reshape_active) {
+ int spare = content->array.raid_disks + expansion;
+ int i;
+ int *fdlist = malloc(sizeof(int) *
+ (working + expansion
+ + content->array.raid_disks));
+ for (i=0; i<spare; i++)
+ fdlist[i] = -1;
+ for (dev = content->devs; dev; dev = dev->next) {
+ char buf[20];
+ int fd;
+ sprintf(buf, "%d:%d",
+ dev->disk.major,
+ dev->disk.minor);
+ fd = dev_open(buf, O_RDWR);
+
+ if (dev->disk.raid_disk >= 0)
+ fdlist[dev->disk.raid_disk] = fd;
+ else
+ fdlist[spare++] = fd;
+ }
+ err = Grow_restart(st, content, fdlist, spare,
+ backup_file, verbose > 0);
+ while (spare > 0) {
+ spare--;
+ if (fdlist[spare] >= 0)
+ close(fdlist[spare]);
+ }
+ if (err) {
+ fprintf(stderr, Name ": Failed to restore critical"
+ " section for reshape - sorry.\n");
+ if (!backup_file)
+ fprintf(stderr, Name ": Possibly you need"
+ " to specify a --backup-file\n");
+ return 1;
+ }
+
+ err = Grow_continue(mdfd, st, content, backup_file);
+ } else switch(content->array.level) {
case LEVEL_LINEAR:
case LEVEL_MULTIPATH:
case 0:
if (!err) {
if (!mdmon_running(st->container_dev))
start_mdmon(st->container_dev);
- ping_monitor(devnum2devname(st->container_dev));
+ ping_monitor_by_id(st->container_dev);
}
break;
}
chosen_name, working + preexist);
if (preexist)
fprintf(stderr, " (%d new)", working);
+ if (expansion)
+ fprintf(stderr, " ( + %d for expansion)",
+ expansion);
fprintf(stderr, "\n");
}
if (!err)
wait_for(chosen_name, mdfd);
- close(mdfd);
- return 0;
+ return err;
/* FIXME should have an O_EXCL and wait for read-auto */
} else {
if (verbose >= 0)
": %s assembled with %d devices but "
"not started\n",
chosen_name, working);
- close(mdfd);
return 1;
}
}
projects / thirdparty / mdadm.git / blobdiff