]> git.ipfire.org Git - thirdparty/mdadm.git/blobdiff - Assemble.c
Remove avail_disks arg from 'enough'.
[thirdparty/mdadm.git] / Assemble.c
index 0ffbbc9a22acf265fa56f5eee9dca191c0127490..972398e5513cfde4d52b4c4f7e0dd4f364bd76a5 100644 (file)
@@ -138,7 +138,7 @@ int Assemble(struct supertype *st, char *mddev,
             char *backup_file, int invalid_backup,
             int readonly, int runstop,
             char *update, char *homehost, int require_homehost,
-            int verbose, int force)
+            int verbose, int force, int freeze_reshape)
 {
        /*
         * The task of Assemble is to find a collection of
@@ -220,7 +220,9 @@ int Assemble(struct supertype *st, char *mddev,
        int change = 0;
        int inargv = 0;
        int report_missmatch;
+#ifndef MDASSEMBLE
        int bitmap_done;
+#endif
        int start_partial_ok = (runstop >= 0) && 
                (force || devlist==NULL || auto_assem);
        unsigned int num_devs;
@@ -293,7 +295,7 @@ int Assemble(struct supertype *st, char *mddev,
                char *devname = tmpdev->devname;
                int dfd;
                struct stat stb;
-               struct supertype *tst = dup_super(st);
+               struct supertype *tst;
                struct dev_policy *pol = NULL;
                int found_container = 0;
 
@@ -306,6 +308,8 @@ int Assemble(struct supertype *st, char *mddev,
                        continue;
                }
 
+               tst = dup_super(st);
+
                dfd = dev_open(devname, O_RDONLY|O_EXCL);
                if (dfd < 0) {
                        if (report_missmatch)
@@ -418,7 +422,6 @@ int Assemble(struct supertype *st, char *mddev,
                                        int uuid[4];
 
                                        content = &info;
-                                       memset(content, 0, sizeof(*content));
                                        tst->ss->getinfo_super(tst, content, NULL);
 
                                        if (!parse_uuid(ident->container, uuid) ||
@@ -440,13 +443,6 @@ int Assemble(struct supertype *st, char *mddev,
                             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))
@@ -456,6 +452,11 @@ int Assemble(struct supertype *st, char *mddev,
                                                fprintf(stderr, Name ": member %s in %s is already assembled\n",
                                                        content->text_version,
                                                        devname);
+                               } else if (content->array.state & (1<<MD_SB_BLOCK_VOLUME)) {
+                                       /* do not assemble arrays with unsupported configurations */
+                                       fprintf(stderr, Name ": Cannot activate member %s in %s.\n",
+                                               content->text_version,
+                                               devname);
                                } else
                                        break;
                        }
@@ -484,7 +485,6 @@ int Assemble(struct supertype *st, char *mddev,
                } else {
 
                        content = &info;
-                       memset(content, 0, sizeof(*content));
                        tst->ss->getinfo_super(tst, content, NULL);
 
                        if (!ident_matches(ident, content, tst,
@@ -699,14 +699,13 @@ int Assemble(struct supertype *st, char *mddev,
                int err;
                err = assemble_container_content(st, mdfd, content, runstop,
                                                 chosen_name, verbose,
-                                                backup_file);
+                                                backup_file, freeze_reshape);
                close(mdfd);
                return err;
        }
+       bitmap_done = 0;
 #endif
        /* Ok, no bad inconsistancy, we can try updating etc */
-       bitmap_done = 0;
-       content->update_private = NULL;
        devices = malloc(num_devs * sizeof(*devices));
        devmap = calloc(num_devs * content->array.raid_disks, 1);
        for (tmpdev = devlist; tmpdev; tmpdev=tmpdev->next) if (tmpdev->used == 1) {
@@ -891,8 +890,6 @@ int Assemble(struct supertype *st, char *mddev,
                }
                devcnt++;
        }
-       free(content->update_private);
-       content->update_private = NULL;
 
        if (devcnt == 0) {
                fprintf(stderr, Name ": no devices found for %s\n",
@@ -937,7 +934,7 @@ int Assemble(struct supertype *st, char *mddev,
                                }
                                continue;
                        }
-               /* If this devices thinks that 'most_recent' has failed, then
+               /* If this device thinks that 'most_recent' has failed, then
                 * we must reject this device.
                 */
                if (j != most_recent &&
@@ -968,7 +965,7 @@ int Assemble(struct supertype *st, char *mddev,
        free(devmap);
        while (force && !enough(content->array.level, content->array.raid_disks,
                                content->array.layout, 1,
-                               avail, okcnt)) {
+                               avail)) {
                /* Choose the newest best drive which is
                 * not up-to-date, update the superblock
                 * and add it.
@@ -1062,6 +1059,8 @@ int Assemble(struct supertype *st, char *mddev,
                        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",
@@ -1133,7 +1132,7 @@ int Assemble(struct supertype *st, char *mddev,
        if (force && !clean &&
            !enough(content->array.level, content->array.raid_disks,
                    content->array.layout, clean,
-                   avail, okcnt)) {
+                   avail)) {
                change += st->ss->update_super(st, content, "force-array",
                                        devices[chosen_drive].devname, verbose,
                                               0, NULL);
@@ -1158,6 +1157,9 @@ int Assemble(struct supertype *st, char *mddev,
                        free(devices);
                        return 1;
                }
+               if (verbose >= 0)
+                       fprintf(stderr, Name ": Marking array %s as 'clean'\n",
+                               mddev);
                close(fd);
        }
 
@@ -1187,8 +1189,11 @@ int Assemble(struct supertype *st, char *mddev,
                                fdlist[i] = -1;
                }
                if (!err) {
-                       err = Grow_restart(st, content, fdlist, bestcnt,
-                                          backup_file, verbose > 0);
+                       if (st->ss->external && st->ss->recover_backup)
+                               err = st->ss->recover_backup(st, content);
+                       else
+                               err = Grow_restart(st, content, fdlist, bestcnt,
+                                                  backup_file, verbose > 0);
                        if (err && invalid_backup) {
                                if (verbose > 0)
                                        fprintf(stderr, Name ": continuing"
@@ -1326,7 +1331,7 @@ int Assemble(struct supertype *st, char *mddev,
                if (runstop == 1 ||
                    (runstop <= 0 &&
                     ( enough(content->array.level, content->array.raid_disks,
-                             content->array.layout, clean, avail, okcnt) &&
+                             content->array.layout, clean, avail) &&
                       (okcnt + rebuilding_cnt >= req_cnt || start_partial_ok)
                             ))) {
                        /* This array is good-to-go.
@@ -1337,9 +1342,14 @@ int Assemble(struct supertype *st, char *mddev,
                        int rv;
 #ifndef MDASSEMBLE
                        if (content->reshape_active &&
-                           content->delta_disks <= 0)
-                               rv = Grow_continue(mdfd, st, content, backup_file);
-                       else
+                           content->delta_disks <= 0) {
+                               rv = sysfs_set_str(content, NULL,
+                                                  "array_state", "readonly");
+                               if (rv == 0)
+                                       rv = Grow_continue(mdfd, st, content,
+                                                          backup_file,
+                                                          freeze_reshape);
+                       } else
 #endif
                                rv = ioctl(mdfd, RUN_ARRAY, NULL);
                        if (rv == 0) {
@@ -1366,6 +1376,7 @@ int Assemble(struct supertype *st, char *mddev,
                                                        sysfs_set_num(sra, NULL,
                                                                      "stripe_cache_size",
                                                                      (4 * content->array.chunk_size / 4096) + 1);
+                                               sysfs_free(sra);
                                        }
                                }
                                if (okcnt < (unsigned)content->array.raid_disks) {
@@ -1377,7 +1388,7 @@ int Assemble(struct supertype *st, char *mddev,
                                         * might allow them to be included, or
                                         * they will become spares.
                                         */
-                                       for (i = 0; i <= bestcnt; i++) {
+                                       for (i = 0; i < bestcnt; i++) {
                                                int j = best[i];
                                                if (j >= 0 && !devices[j].uptodate) {
                                                        if (!disk_action_allows(&devices[j].i, st->ss->name, act_re_add))
@@ -1426,13 +1437,13 @@ int Assemble(struct supertype *st, char *mddev,
                                mddev, strerror(errno));
 
                        if (!enough(content->array.level, content->array.raid_disks,
-                                   content->array.layout, 1, avail, okcnt))
+                                   content->array.layout, 1, avail))
                                fprintf(stderr, Name ": Not enough devices to "
                                        "start the array.\n");
                        else if (!enough(content->array.level,
                                         content->array.raid_disks,
                                         content->array.layout, clean,
-                                        avail, okcnt))
+                                        avail))
                                fprintf(stderr, Name ": Not enough devices to "
                                        "start the array while not clean "
                                        "- consider --force.\n");
@@ -1460,12 +1471,12 @@ int Assemble(struct supertype *st, char *mddev,
                        if (sparecnt)
                                fprintf(stderr, " and %d spare%s", sparecnt, sparecnt==1?"":"s");
                        if (!enough(content->array.level, content->array.raid_disks,
-                                   content->array.layout, 1, avail, okcnt))
+                                   content->array.layout, 1, avail))
                                fprintf(stderr, " - not enough to start the array.\n");
                        else if (!enough(content->array.level,
                                         content->array.raid_disks,
                                         content->array.layout, clean,
-                                        avail, okcnt))
+                                        avail))
                                fprintf(stderr, " - not enough to start the "
                                        "array while not clean - consider "
                                        "--force.\n");
@@ -1505,29 +1516,33 @@ int Assemble(struct supertype *st, char *mddev,
 int assemble_container_content(struct supertype *st, int mdfd,
                               struct mdinfo *content, int runstop,
                               char *chosen_name, int verbose,
-                              char *backup_file)
+                              char *backup_file, int freeze_reshape)
 {
        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)
+               if (sysfs_set_array(content, md_get_version(mdfd)) != 0) {
+                       if (sra)
+                               sysfs_free(sra);
                        return 1;
+               }
 
-       if (content->reshape_active)
+       if (st->ss->external && content->recovery_blocked)
                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) {
-                       if (dev->disk.raid_disk >= content->array.raid_disks &&
+                       if (dev->disk.raid_disk >= old_raid_disks &&
                            content->reshape_active)
                                expansion++;
                        else
@@ -1545,40 +1560,37 @@ int assemble_container_content(struct supertype *st, int mdfd,
                 (working + preexist + expansion) >=
                        content->array.working_disks) {
                int err;
+               int start_reshape;
 
-               if (content->reshape_active) {
+               /* There are two types of reshape: container wide or sub-array specific
+                * Check if metadata requests blocking container wide reshapes
+                */
+               start_reshape = (content->reshape_active &&
+                                !((content->reshape_active == CONTAINER_RESHAPE) &&
+                                  (content->array.state & (1<<MD_SB_BLOCK_CONTAINER_RESHAPE))));
+               if (start_reshape) {
                        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) {
-                               int fd = open_dev(makedev(dev->disk.major,
-                                                         dev->disk.minor));
-                               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");
+                       if (restore_backup(st, content,
+                                          working,
+                                          spare, backup_file, verbose) == 1)
+                               return 1;
+
+                       err = sysfs_set_str(content, NULL,
+                                           "array_state", "readonly");
+                       if (err)
                                return 1;
+
+                       if (st->ss->external) {
+                               if (!mdmon_running(st->container_dev))
+                                       start_mdmon(st->container_dev);
+                               ping_monitor_by_id(st->container_dev);
+                               if (mdmon_running(st->container_dev) &&
+                                               st->update_tail == NULL)
+                                       st->update_tail = &st->updates;
                        }
 
-                       err = Grow_continue(mdfd, st, content, backup_file);
+                       err = Grow_continue(mdfd, st, content, backup_file,
+                                           freeze_reshape);
                } else switch(content->array.level) {
                case LEVEL_LINEAR:
                case LEVEL_MULTIPATH:
@@ -1593,7 +1605,7 @@ int assemble_container_content(struct supertype *st, int mdfd,
                        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;
                }
@@ -1602,12 +1614,14 @@ int assemble_container_content(struct supertype *st, int mdfd,
                if (verbose >= 0) {
                        if (err)
                                fprintf(stderr, Name
-                                       ": array %s now has %d devices",
-                                       chosen_name, working + preexist);
+                                       ": array %s now has %d device%s",
+                                       chosen_name, working + preexist,
+                                       working + preexist == 1 ? "":"s");
                        else
                                fprintf(stderr, Name
-                                       ": Started %s with %d devices",
-                                       chosen_name, working + preexist);
+                                       ": Started %s with %d device%s",
+                                       chosen_name, working + preexist,
+                                       working + preexist == 1 ? "":"s");
                        if (preexist)
                                fprintf(stderr, " (%d new)", working);
                        if (expansion)
@@ -1620,11 +1634,15 @@ int assemble_container_content(struct supertype *st, int mdfd,
                return err;
                /* FIXME should have an O_EXCL and wait for read-auto */
        } else {
-               if (verbose >= 0)
+               if (verbose >= 0) {
                        fprintf(stderr, Name
-                               ": %s assembled with %d devices but "
-                               "not started\n",
-                               chosen_name, working);
+                               ": %s assembled with %d device%s",
+                               chosen_name, preexist + working,
+                               preexist + working == 1 ? "":"s");
+                       if (preexist)
+                               fprintf(stderr, " (%d new)", working);
+                       fprintf(stderr, " but not started\n");
+               }
                return 1;
        }
 }