return 0;
}
-int Assemble(struct supertype *st, char *mddev, int mdfd,
+int Assemble(struct supertype *st, char *mddev,
mddev_ident_t ident,
mddev_dev_t devlist, char *backup_file,
int readonly, int runstop,
* START_ARRAY
*
*/
- int clean = 0;
- int must_close = 0;
+ int mdfd;
+ int clean;
+ int auto_assem = (mddev == NULL);
int old_linux = 0;
- int vers = 0; /* Keep gcc quite - it really is initialised */
+ int vers = vers; /* Keep gcc quite - it really is initialised */
struct {
char *devname;
int uptodate; /* set once we decide that this device is as
int change = 0;
int inargv = 0;
int bitmap_done;
- int start_partial_ok = (runstop >= 0) && (force || devlist==NULL || mdfd < 0);
+ int start_partial_ok = (runstop >= 0) &&
+ (force || devlist==NULL || auto_assem);
unsigned int num_devs;
mddev_dev_t tmpdev;
struct mdinfo info;
+ mdu_array_info_t tmp_inf;
char *avail;
int nextspare = 0;
+ char *name;
+ int trustworthy;
+ char chosen_name[1024];
+
+ memset(&info, 0, sizeof(info));
if (get_linux_version() < 2004000)
old_linux = 1;
- if (mdfd >= 0) {
- vers = md_get_version(mdfd);
- if (vers <= 0) {
- fprintf(stderr, Name ": %s appears not to be an md device.\n", mddev);
- return 1;
- }
- if (vers < 9000) {
- fprintf(stderr, Name ": Assemble requires driver version 0.90.0 or later.\n"
- " Upgrade your kernel or try --build\n");
- return 1;
- }
-
- if (ioctl(mdfd, GET_ARRAY_INFO, &info.array)>=0) {
- fprintf(stderr, Name ": device %s already active - cannot assemble it\n",
- mddev);
- return 1;
- }
- ioctl(mdfd, STOP_ARRAY, NULL); /* just incase it was started but has no content */
- }
/*
* If any subdevs are listed, then any that don't
* match ident are discarded. Remainder must all match and
mddev ? mddev : "further assembly");
return 1;
}
+
+ /* if the configuration specifies a container then we use that to
+ * determine the devices and retrieve the array configuration
+ */
+#ifndef MDASSEMBLE
+ if (ident->container && ident->member) {
+ int cfd = open(ident->container, O_RDWR);
+ struct mdinfo *mdi;
+ struct supertype container;
+
+ if (verbose>0)
+ fprintf(stderr, Name ": looking to assemble member array %s"
+ " inside container %s\n", ident->member, ident->container);
+ if (cfd < 0) {
+ if (verbose>0)
+ fprintf(stderr, Name ": unable to open container %s: %s\n",
+ ident->container, strerror(errno));
+ return 1;
+ }
+
+ mdi = sysfs_read(cfd, fd2devnum(cfd), GET_VERSION);
+ if (!mdi) {
+ close(cfd);
+ if (verbose>0)
+ fprintf(stderr, Name ": unable to read container %s\n",
+ ident->container);
+ return 1;
+ }
+ container.ss = find_metadata_methods(mdi->text_version);
+ sysfs_free(mdi);
+ if (!container.ss) {
+ close(cfd);
+ fprintf(stderr, Name ": %s uses unknown metadata: %s\n",
+ ident->container, mdi->text_version);
+ return 1;
+ }
+ if (container.ss->load_super(&container, cfd, ident->container)) {
+ fprintf(stderr, Name ": Cannot load metadata for container %s\n",
+ ident->container);
+ return 1;
+ }
+
+ return Incremental_container(&container, ident->container,
+ verbose, runstop, ident->autof,
+ LOCAL);
+ }
+#endif
if (devlist == NULL)
devlist = conf_get_devs();
- else if (mdfd >= 0)
+ else if (mddev)
inargv = 1;
try_again:
+ /* We come back here when doing auto-assembly and attempting some
+ * set of devices failed. Those are now marked as ->used==2 and
+ * we ignore them and try again
+ */
tmpdev = devlist; num_devs = 0;
while (tmpdev) {
/* first walk the list of devices to find a consistent set
* that match the criterea, if that is possible.
- * We flag the one we like with 'used'.
+ * We flag the ones we like with 'used'.
*/
for (tmpdev = devlist;
tmpdev;
devname);
goto loop;
}
- if (mdfd < 0) {
+ if (auto_assem) {
if (tst == NULL || tst->sb == NULL)
continue;
- if (update == NULL &&
- tst->ss->match_home(tst, homehost)==0) {
- if ((inargv && verbose >= 0) || verbose > 0)
- fprintf(stderr, Name ": %s is not built for host %s.\n",
- devname, homehost);
- /* Auto-assemble, and this is not a usable host */
- /* if update != NULL, we are updating the host
- * name... */
- goto loop;
- }
}
/* If we are this far, then we are nearly commited to this device.
* If the super_block doesn't exist, or doesn't match others,
* Or, if we are auto assembling, we just ignore the second
* for now.
*/
- if (mdfd < 0)
+ if (auto_assem)
goto loop;
if (homehost) {
int first = st->ss->match_home(st, homehost);
int last = tst->ss->match_home(tst, homehost);
- if (first+last == 1) {
+ if (first != last &&
+ (first == 1 || last == 1)) {
/* We can do something */
if (first) {/* just ignore this one */
if ((inargv && verbose >= 0) || verbose > 0)
tst->ss->free_super(tst);
}
- if (mdfd < 0) {
- /* So... it is up to me to open the device.
- * We create a name '/dev/md/XXX' based on the info in the
- * superblock, and call open_mddev on that
- */
- mdu_array_info_t inf;
- char *c;
- if (!st || !st->sb) {
- return 2;
- }
- st->ss->getinfo_super(st, &info);
- c = strchr(info.name, ':');
- if (c) c++; else c= info.name;
- if (isdigit(*c) && ((ident->autof & 7)==4 || (ident->autof&7)==6))
- /* /dev/md/d0 style for partitionable */
- asprintf(&mddev, "/dev/md/d%s", c);
+ if (!st || !st->sb)
+ return 2;
+
+ /* Now need to open array the device. Use create_mddev */
+ st->ss->getinfo_super(st, &info);
+
+ trustworthy = FOREIGN;
+ switch (st->ss->match_home(st, homehost)) {
+ case 0:
+ trustworthy = FOREIGN;
+ name = info.name;
+ break;
+ case 1:
+ trustworthy = LOCAL;
+ name = strchr(info.name, ':');
+ if (name)
+ name++;
else
- asprintf(&mddev, "/dev/md/%s", c);
- mdfd = open_mddev(mddev, ident->autof);
- if (mdfd < 0) {
- st->ss->free_super(st);
- free(devices);
+ name = info.name;
+ break;
+ case -1:
+ if (info.name[0] == 0 && info.array.level == LEVEL_CONTAINER) {
+ name = info.text_version;
+ trustworthy = METADATA;
+ } else
+ trustworthy = FOREIGN;
+ break;
+ }
+ mdfd = create_mddev(mddev, name, ident->autof, trustworthy,
+ chosen_name);
+ if (mdfd < 0) {
+ st->ss->free_super(st);
+ free(devices);
+ if (auto_assem)
goto try_again;
- }
- vers = md_get_version(mdfd);
- if (ioctl(mdfd, GET_ARRAY_INFO, &inf)==0) {
- for (tmpdev = devlist ;
- tmpdev && tmpdev->used != 1;
- tmpdev = tmpdev->next)
- ;
- fprintf(stderr, Name ": %s already active, cannot restart it!\n", mddev);
- if (tmpdev)
- fprintf(stderr, Name ": %s needed for %s...\n",
- mddev, tmpdev->devname);
- close(mdfd);
- mdfd = -1;
- st->ss->free_super(st);
- free(devices);
+ return 1;
+ }
+ mddev = chosen_name;
+ vers = md_get_version(mdfd);
+ if (vers < 9000) {
+ fprintf(stderr, Name ": Assemble requires driver version 0.90.0 or later.\n"
+ " Upgrade your kernel or try --build\n");
+ close(mdfd);
+ return 1;
+ }
+ if (ioctl(mdfd, GET_ARRAY_INFO, &tmp_inf)==0) {
+ fprintf(stderr, Name ": %s already active, cannot restart it!\n",
+ mddev);
+ for (tmpdev = devlist ;
+ tmpdev && tmpdev->used != 1;
+ tmpdev = tmpdev->next)
+ ;
+ if (tmpdev && auto_assem)
+ fprintf(stderr, Name ": %s needed for %s...\n",
+ mddev, tmpdev->devname);
+ close(mdfd);
+ mdfd = -3;
+ st->ss->free_super(st);
+ free(devices);
+ if (auto_assem)
goto try_again;
- }
- must_close = 1;
+ return 1;
}
+ ioctl(mdfd, STOP_ARRAY, NULL); /* just incase it was started but has no content */
/* Ok, no bad inconsistancy, we can try updating etc */
bitmap_done = 0;
inargv ? "the list" :
"the\n DEVICE list in mdadm.conf"
);
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
if (best[i] == -1
mddev);
if (st)
st->ss->free_super(st);
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
if ((fd=dev_open(devices[j].devname, O_RDONLY|O_EXCL))< 0) {
fprintf(stderr, Name ": Cannot open %s: %s\n",
devices[j].devname, strerror(errno));
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
if (st->ss->load_super(st,fd, NULL)) {
close(fd);
fprintf(stderr, Name ": RAID superblock has disappeared from %s\n",
devices[j].devname);
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
close(fd);
}
if (st->sb == NULL) {
fprintf(stderr, Name ": No suitable drives found for %s\n", mddev);
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
st->ss->getinfo_super(st, &info);
+#ifndef MDASSEMBLE
+ sysfs_init(&info, mdfd, 0);
+#endif
for (i=0; i<bestcnt; i++) {
int j = best[i];
unsigned int desired_state;
if (fd < 0) {
fprintf(stderr, Name ": Could not open %s for write - cannot Assemble array.\n",
devices[chosen_drive].devname);
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
if (st->ss->store_super(st, fd)) {
close(fd);
fprintf(stderr, Name ": Could not re-write superblock on %s\n",
devices[chosen_drive].devname);
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
close(fd);
}
if (err) {
fprintf(stderr, Name ": Failed to restore critical section for reshape, sorry.\n");
- if (must_close) close(mdfd);
+ close(mdfd);
return err;
}
}
if (!old_linux) {
int rv;
-#ifndef MDASSEMBLE
- struct mdinfo *sra;
- if (st->ss->external) {
- char ver[100];
- strcat(strcpy(ver, "external:"), info.text_version);
- sra = sysfs_read(mdfd, 0, 0);
- if ((vers % 100) < 2 ||
- sra == NULL ||
- sysfs_set_str(sra, NULL, "metadata_version",
- ver) < 0) {
- fprintf(stderr, Name ": This kernel does not "
- "support external metadata.\n");
- return 1;
- }
- rv = sysfs_set_array(sra, &info);
- } else
-#endif
- if ((vers % 100) >= 1) { /* can use different versions */
- mdu_array_info_t inf;
- memset(&inf, 0, sizeof(inf));
- inf.major_version = info.array.major_version;
- inf.minor_version = info.array.minor_version;
- rv = ioctl(mdfd, SET_ARRAY_INFO, &inf);
- } else
- rv = ioctl(mdfd, SET_ARRAY_INFO, NULL);
+ /* First, fill in the map, so that udev can find our name
+ * as soon as we become active.
+ */
+ map_update(NULL, fd2devnum(mdfd), info.text_version,
+ info.uuid, chosen_name);
+ rv = set_array_info(mdfd, st, &info);
if (rv) {
- fprintf(stderr, Name ": SET_ARRAY_INFO failed for %s: %s\n",
+ fprintf(stderr, Name ": failed to set array info for %s: %s\n",
mddev, strerror(errno));
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
if (ident->bitmap_fd >= 0) {
if (ioctl(mdfd, SET_BITMAP_FILE, ident->bitmap_fd) != 0) {
fprintf(stderr, Name ": SET_BITMAP_FILE failed.\n");
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
} else if (ident->bitmap_file) {
if (bmfd < 0) {
fprintf(stderr, Name ": Could not open bitmap file %s\n",
ident->bitmap_file);
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
if (ioctl(mdfd, SET_BITMAP_FILE, bmfd) != 0) {
fprintf(stderr, Name ": Failed to set bitmapfile for %s\n", mddev);
close(bmfd);
- if (must_close) close(mdfd);
+ close(mdfd);
return 1;
}
close(bmfd);
j = chosen_drive;
if (j >= 0 /* && devices[j].uptodate */) {
-#ifndef MDASSEMBLE
- if (st->ss->external)
- rv = sysfs_add_disk(sra, &devices[j].i);
- else
-#endif
- rv = ioctl(mdfd, ADD_NEW_DISK,
- &devices[j].i.disk);
+ rv = add_disk(mdfd, st, &info, &devices[j].i);
+
if (rv) {
fprintf(stderr, Name ": failed to add "
"%s to %s: %s\n",
if (verbose >= 0) {
fprintf(stderr, Name ": Container %s has been "
"assembled with %d drive%s",
- mddev, okcnt, okcnt==1?"":"s");
+ mddev, okcnt+sparecnt, okcnt+sparecnt==1?"":"s");
if (okcnt < info.array.raid_disks)
fprintf(stderr, " (out of %d)",
info.array.raid_disks);
fprintf(stderr, "\n");
}
- if (must_close)
- close(mdfd);
+ sysfs_uevent(&info, "change");
+ close(mdfd);
return 0;
}
fprintf(stderr, " and %d spare%s", sparecnt, sparecnt==1?"":"s");
fprintf(stderr, ".\n");
}
- if (must_close) {
+ close(mdfd);
+ if (auto_assem) {
int usecs = 1;
- close(mdfd);
/* There is a nasty race with 'mdadm --monitor'.
* If it opens this device before we close it,
* it gets an incomplete open on which IO
"start the array while not clean "
"- consider --force.\n");
- if (must_close) {
+ if (auto_assem)
ioctl(mdfd, STOP_ARRAY, NULL);
- close(mdfd);
- }
+ close(mdfd);
return 1;
}
if (runstop == -1) {
if (okcnt != info.array.raid_disks)
fprintf(stderr, " (out of %d)", info.array.raid_disks);
fprintf(stderr, ", but not started.\n");
- if (must_close) close(mdfd);
+ close(mdfd);
return 0;
}
if (verbose >= -1) {
fprintf(stderr, " (use --run to insist).\n");
}
}
- if (must_close) {
+ if (auto_assem)
ioctl(mdfd, STOP_ARRAY, NULL);
- close(mdfd);
- }
return 1;
} else {
/* The "chosen_drive" is a good choice, and if necessary, the superblock has
}
}
- if (must_close) close(mdfd);
+ close(mdfd);
return 0;
}
projects / thirdparty / mdadm.git / blobdiff