]> git.ipfire.org Git - thirdparty/mdadm.git/blobdiff - Detail.c
Report uuid in --detail --brief for ddf and intel
[thirdparty/mdadm.git] / Detail.c
index 2bde9fabe239a75794b956bb77482645bc2bed38..ae00bb493373c46292927fd64d3743c472ec2833 100644 (file)
--- a/Detail.c
+++ b/Detail.c
@@ -30,6 +30,7 @@
 #include       "mdadm.h"
 #include       "md_p.h"
 #include       "md_u.h"
+#include       <dirent.h>
 
 int Detail(char *dev, int brief, int export, int test, char *homehost)
 {
@@ -38,7 +39,7 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
         * GET_ARRAY_INFO and GET_DISK_INFO ioctl calls
         */
 
-       int fd = open(dev, O_RDONLY, 0);
+       int fd = open(dev, O_RDONLY);
        int vers;
        mdu_array_info_t array;
        mdu_disk_info_t *disks;
@@ -55,6 +56,9 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
        struct supertype *st = NULL;
        int max_disks = MD_SB_DISKS; /* just a default */
        struct mdinfo info;
+       struct mdinfo *sra;
+       char *member = NULL;
+       char *container = NULL;
 
        int rv = test ? 4 : 1;
        int avail_disks = 0;
@@ -88,13 +92,28 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
                close(fd);
                return rv;
        }
-       st = super_by_version(array.major_version, array.minor_version);
+       sra = sysfs_read(fd, 0, GET_VERSION);
+       st = super_by_fd(fd);
 
        if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode))
                stb.st_rdev = 0;
        rv = 0;
 
-       if (st) max_disks = st->max_devs;
+       if (st)
+               max_disks = st->max_devs;
+
+       if (sra && is_subarray(sra->text_version) &&
+               strchr(sra->text_version+1, '/')) {
+               /* This is a subarray of some container.
+                * We want the name of the container, and the member
+                */
+               char *s = strchr(sra->text_version+1, '/');
+               int dn;
+               *s++ = '\0';
+               member = s;
+               dn = devname2devnum(sra->text_version+1);
+               container = map_dev(dev2major(dn), dev2minor(dn), 1);
+       }
 
        /* try to load a superblock */
        for (d= 0; d<max_disks; d++) {
@@ -109,7 +128,8 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
                        continue;
                if ((dv=map_dev(disk.major, disk.minor, 1))) {
                        if ((!st || !st->sb) &&
-                           (disk.state & (1<<MD_DISK_ACTIVE))) {
+                           (array.raid_disks == 0 || 
+                            (disk.state & (1<<MD_DISK_ACTIVE)))) {
                                /* try to read the superblock from this device
                                 * to get more info
                                 */
@@ -117,8 +137,9 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
                                if (fd2 >=0 && st &&
                                    st->ss->load_super(st, fd2, NULL) == 0) {
                                        st->ss->getinfo_super(st, &info);
-                                       if (info.array.ctime != array.ctime ||
-                                           info.array.level != array.level)
+                                       if (array.raid_disks != 0 && /* container */
+                                           (info.array.ctime != array.ctime ||
+                                            info.array.level != array.level))
                                                st->ss->free_super(st);
                                }
                                if (fd2 >= 0) close(fd2);
@@ -130,22 +151,58 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
        c = map_num(pers, array.level);
 
        if (export) {
-               if (c)
-                       printf("MD_LEVEL=%s\n", c);
-               printf("MD_DEVICES=%d\n", array.raid_disks);
-               printf("MD_METADATA=%d.%d\n", array.major_version,
-                      array.minor_version);
+               if (array.raid_disks) {
+                       if (c)
+                               printf("MD_LEVEL=%s\n", c);
+                       printf("MD_DEVICES=%d\n", array.raid_disks);
+               } else {
+                       printf("MD_LEVEL=container\n");
+                       printf("MD_DEVICES=%d\n", array.nr_disks);
+               }
+               if (container) {
+                       printf("MD_CONTAINER=%s\n", container);
+                       printf("MD_MEMBER=%s\n", member);
+               } else {
+                       if (sra && sra->array.major_version < 0)
+                               printf("MD_METADATA=%s\n", sra->text_version);
+                       else
+                               printf("MD_METADATA=%02d.%02d\n",
+                                      array.major_version, array.minor_version);
+               }
+
                if (st && st->sb)
-                       st->ss->export_super(st);
+                       st->ss->export_detail_super(st);
                goto out;
        }
 
-       if (brief)
-               printf("ARRAY %s level=%s metadata=%d.%d num-devices=%d", dev,
-                      c?c:"-unknown-",
-                      array.major_version, array.minor_version,
-                      array.raid_disks );
-       else {
+       if (brief) {
+               mdu_bitmap_file_t bmf;
+               if (array.raid_disks)
+                       printf("ARRAY %s level=%s num-devices=%d", dev,
+                              c?c:"-unknown-",
+                              array.raid_disks );
+               else
+                       printf("ARRAY %s level=container num-devices=%d",
+                              dev, array.nr_disks);
+
+               if (container) {
+                       printf(" container=%s", container);
+                       printf(" member=%s", member);
+               } else {
+                       if (sra && sra->array.major_version < 0)
+                               printf(" metadata=%s", sra->text_version);
+                       else
+                               printf(" metadata=%02d.%02d",
+                                      array.major_version, array.minor_version);
+               }
+
+               /* Only try GET_BITMAP_FILE for 0.90.01 and later */
+               if (vers >= 9001 &&
+                   ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 &&
+                   bmf.pathname[0]) {
+                       printf(" bitmap=%s", bmf.pathname);
+               }
+       } else {
                mdu_bitmap_file_t bmf;
                unsigned long long larray_size;
                struct mdstat_ent *ms = mdstat_read(0, 0);
@@ -161,10 +218,21 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
                        larray_size = 0;
 
                printf("%s:\n", dev);
-               printf("        Version : %02d.%02d.%02d\n",
-                      array.major_version, array.minor_version, array.patch_version);
+
+               if (container)
+                       printf("      Container : %s, member %s\n", container, member);
+               else {
+               if (sra && sra->array.major_version < 0)
+                       printf("        Version : %s\n", sra->text_version);
+               else
+                       printf("        Version : %02d.%02d\n",
+                              array.major_version, array.minor_version);
+               }
+
                atime = array.ctime;
-               printf("  Creation Time : %.24s\n", ctime(&atime));
+               if (atime)
+                       printf("  Creation Time : %.24s\n", ctime(&atime));
+               if (array.raid_disks == 0) c = "container";
                printf("     Raid Level : %s\n", c?c:"-unknown-");
                if (larray_size)
                        printf("     Array Size : %llu%s\n", (larray_size>>10), human_size(larray_size));
@@ -175,18 +243,23 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
                                if (dsize > 0)
                                        printf("  Used Dev Size : %llu%s\n",
                                               dsize,
-                                        human_size((long long)array.size<<10));
+                                        human_size((long long)dsize<<10));
                                else
                                        printf("  Used Dev Size : unknown\n");
                        } else
                                printf("  Used Dev Size : %d%s\n", array.size,
                                       human_size((long long)array.size<<10));
                }
-               printf("   Raid Devices : %d\n", array.raid_disks);
+               if (array.raid_disks)
+                       printf("   Raid Devices : %d\n", array.raid_disks);
                printf("  Total Devices : %d\n", array.nr_disks);
-               printf("Preferred Minor : %d\n", array.md_minor);
-               printf("    Persistence : Superblock is %spersistent\n",
-                      array.not_persistent?"not ":"");
+               if (!container && 
+                   ((sra == NULL && array.major_version == 0) ||
+                    (sra && sra->array.major_version == 0)))
+                       printf("Preferred Minor : %d\n", array.md_minor);
+               if (sra == NULL || sra->array.major_version >= 0)
+                       printf("    Persistence : Superblock is %spersistent\n",
+                              array.not_persistent?"not ":"");
                printf("\n");
                /* Only try GET_BITMAP_FILE for 0.90.01 and later */
                if (vers >= 9001 &&
@@ -197,17 +270,22 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
                } else if (array.state & (1<<MD_SB_BITMAP_PRESENT))
                        printf("  Intent Bitmap : Internal\n\n");
                atime = array.utime;
-               printf("    Update Time : %.24s\n", ctime(&atime));
-               printf("          State : %s%s%s%s\n",
-                      (array.state&(1<<MD_SB_CLEAN))?"clean":"active",
-                      array.active_disks < array.raid_disks? ", degraded":"",
-                      (!e || e->percent < 0) ? "" :
-                       (e->resync) ? ", resyncing": ", recovering",
-                      larray_size ? "": ", Not Started");
-               printf(" Active Devices : %d\n", array.active_disks);
+               if (atime)
+                       printf("    Update Time : %.24s\n", ctime(&atime));
+               if (array.raid_disks)
+                       printf("          State : %s%s%s%s\n",
+                              (array.state&(1<<MD_SB_CLEAN))?"clean":"active",
+                              array.active_disks < array.raid_disks? ", degraded":"",
+                              (!e || e->percent < 0) ? "" :
+                              (e->resync) ? ", resyncing": ", recovering",
+                              larray_size ? "": ", Not Started");
+               if (array.raid_disks)
+                       printf(" Active Devices : %d\n", array.active_disks);
                printf("Working Devices : %d\n", array.working_disks);
-               printf(" Failed Devices : %d\n", array.failed_disks);
-               printf("  Spare Devices : %d\n", array.spare_disks);
+               if (array.raid_disks) {
+                       printf(" Failed Devices : %d\n", array.failed_disks);
+                       printf("  Spare Devices : %d\n", array.spare_disks);
+               }
                printf("\n");
                if (array.level == 5) {
                        c = map_num(r5layout, array.layout);
@@ -224,7 +302,9 @@ int Detail(char *dev, int brief, int export, int test, char *homehost)
                case 5:
                case 10:
                case 6:
-                       printf("     Chunk Size : %dK\n\n", array.chunk_size/1024);
+                       if (array.chunk_size)
+                               printf("     Chunk Size : %dK\n\n",
+                                      array.chunk_size/1024);
                        break;
                case -1:
                        printf("       Rounding : %dK\n\n", array.chunk_size/1024);
@@ -279,7 +359,45 @@ This is pretty boring
                if (st && st->sb)
                        st->ss->detail_super(st, homehost);
 
-               printf("    Number   Major   Minor   RaidDevice State\n");
+               if (array.raid_disks == 0 && sra && sra->array.major_version == -1
+                   && sra->array.minor_version == -2 && sra->text_version[0] != '/') {
+                       /* This looks like a container.  Find any active arrays
+                        * That claim to be a member.
+                        */
+                       DIR *dir = opendir("/sys/block");
+                       struct dirent *de;
+
+                       printf("  Member Arrays :");
+
+                       while (dir && (de = readdir(dir)) != NULL) {
+                               char path[200];
+                               char vbuf[1024];
+                               int nlen = strlen(sra->sys_name);
+                               int dn;
+                               if (de->d_name[0] == '.')
+                                       continue;
+                               sprintf(path, "/sys/block/%s/md/metadata_version",
+                                       de->d_name);
+                               if (load_sys(path, vbuf) < 0)
+                                       continue;
+                               if (strncmp(vbuf, "external:", 9) != 0 ||
+                                   !is_subarray(sra->sys_name+9) ||
+                                   strncmp(vbuf+10, sra->sys_name, nlen) != 0 ||
+                                   vbuf[10+nlen] != '/')
+                                       continue;
+                               dn = devname2devnum(de->d_name);
+                               printf(" %s", map_dev(dev2major(dn),
+                                                     dev2minor(dn), 1));
+                       }
+                       if (dir)
+                               closedir(dir);
+                       printf("\n\n");
+               }
+
+               if (array.raid_disks)
+                       printf("    Number   Major   Minor   RaidDevice State\n");
+               else
+                       printf("    Number   Major   Minor   RaidDevice\n");
        }
        disks = malloc(max_disks * sizeof(mdu_disk_info_t));
        for (d=0; d<max_disks; d++) {
@@ -323,6 +441,9 @@ This is pretty boring
                        else
                                printf("   %5d   %5d    %5d    %5d     ",
                                       disk.number, disk.major, disk.minor, disk.raid_disk);
+               }
+               if (!brief && array.raid_disks) {
+
                        if (disk.state & (1<<MD_DISK_FAULTY)) {
                                printf(" faulty");
                                if (disk.raid_disk < array.raid_disks &&
@@ -374,7 +495,7 @@ This is pretty boring
                }
                if (!brief) printf("\n");
        }
-       if (spares && brief) printf(" spares=%d", spares);
+       if (spares && brief && array.raid_disks) printf(" spares=%d", spares);
        if (brief && st && st->sb)
                st->ss->brief_detail_super(st);
        st->ss->free_super(st);