]> git.ipfire.org Git - thirdparty/mdadm.git/blobdiff - Detail.c
mdadm-0.8.2
[thirdparty/mdadm.git] / Detail.c
index 3349c3ae5a00246bf759a55f7fb8ef6835898f4a..55e6eb0d3057bab9536bf11c3c507a1f4838efc7 100644 (file)
--- a/Detail.c
+++ b/Detail.c
@@ -1,7 +1,7 @@
 /*
- * mdctl - manage Linux "md" devices aka RAID arrays.
+ * mdadm - manage Linux "md" devices aka RAID arrays.
  *
- * Copyright (C) 2001 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
  *
  *
  *    This program is free software; you can redistribute it and/or modify
  *           Australia
  */
 
-#include       "mdctl.h"
+#include       "mdadm.h"
 #include       "md_p.h"
 #include       "md_u.h"
 
-int Detail(char *dev)
+int Detail(char *dev, int brief)
 {
        /*
         * Print out details for an md array by using
@@ -45,6 +45,9 @@ int Detail(char *dev)
        time_t atime;
        char *c;
 
+       mdp_super_t super;
+       int have_super = 0;
+
        if (fd < 0) {
                fprintf(stderr, Name ": cannot open %s: %s\n",
                        dev, strerror(errno));
@@ -74,52 +77,117 @@ int Detail(char *dev)
                return 1;
        }
        /* Ok, we have some info to print... */
-       printf("%s:\n", dev);
-       printf("        Version : %02d.%02d.%02d\n",
-              array.major_version, array.minor_version, array.patch_version);
-       atime = array.ctime;
-       printf("  Creation Time : %.24s\n", ctime(&atime));
        c = map_num(pers, array.level);
-       printf("     Raid Level : %s\n", c?c:"-unknown-");
-       printf("           Size : %d\n", array.size);
-       printf("     Raid Disks : %d\n", array.raid_disks);
-       printf("    Total Disks : %d\n", array.nr_disks);
-       printf("Preferred Minor : %d\n", array.md_minor);
-       printf("    Persistance : Superblock is %spersistant\n",
-              array.not_persistent?"not ":"");
-       printf("\n");
-       atime = array.utime;
-       printf("    Update Time : %.24s\n", ctime(&atime));
-       printf("          State : %s, %serrors\n",
-              (array.state&(1<<MD_SB_CLEAN))?"clean":"dirty",
-              (array.state&(1<<MD_SB_ERRORS))?"":"no-");
-       printf("  Active Drives : %d\n", array.active_disks);
-       printf(" Working Drives : %d\n", array.working_disks);
-       printf("  Failed Drives : %d\n", array.failed_disks);
-       printf("   Spare Drives : %d\n", array.spare_disks);
-       printf("\n");
-       if (array.level == 5) {
-               c = map_num(r5layout, array.layout);
-               printf("         Layout : %s\n", c?c:"-unknown-");
+       if (brief) 
+               printf("ARRAY %s level=%s num-devices=%d", dev, c?c:"-unknown-",array.raid_disks );
+       else {
+               unsigned long array_size;
+               unsigned long long larray_size;
+#ifdef BLKGETSIZE64
+               if (ioctl(fd, BLKGETSIZE64, &larray_size)==0)
+                       ;
+               else
+#endif
+                       if (ioctl(fd, BLKGETSIZE, &array_size)==0) {
+                               larray_size = array_size;
+                               larray_size <<= 9;
+                       }
+               
+               else larray_size = 0;
+
+               printf("%s:\n", dev);
+               printf("        Version : %02d.%02d.%02d\n",
+                      array.major_version, array.minor_version, array.patch_version);
+               atime = array.ctime;
+               printf("  Creation Time : %.24s\n", ctime(&atime));
+               printf("     Raid Level : %s\n", c?c:"-unknown-");
+               if (larray_size)
+               printf("     Array Size : %ld%s\n", (long)(larray_size>>10), human_size(larray_size));
+               if (array.level >= 1)
+                       printf("    Device Size : %d%s\n", array.size, human_size((long long)array.size<<10));
+               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 ":"");
+               printf("\n");
+               atime = array.utime;
+               printf("    Update Time : %.24s\n", ctime(&atime));
+               printf("          State : %s, %serrors\n",
+                      (array.state&(1<<MD_SB_CLEAN))?"clean":"dirty",
+                      (array.state&(1<<MD_SB_ERRORS))?"":"no-");
+               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);
+               printf("\n");
+               if (array.level == 5) {
+                       c = map_num(r5layout, array.layout);
+                       printf("         Layout : %s\n", c?c:"-unknown-");
+               }
+               switch (array.level) {
+               case 0:
+               case 4:
+               case 5:
+                       printf("     Chunk Size : %dK\n", array.chunk_size/1024);
+                       break;
+               case -1:
+                       printf("       Rounding : %dK\n", array.chunk_size/1024);
+                       break;
+               default: break;
+               }
+       
+               printf("\n");
+               printf("    Number   Major   Minor   RaidDevice State\n");
        }
-       printf("     Chunk Size : %dK\n", array.chunk_size/1024);
-       printf("\n");
-       printf("    Number   Major   Minor   RaidDisk   State\n");
-       for (d= 0; d<array.nr_disks; d++) {
+       for (d= 0; d<MD_SB_DISKS; d++) {
                mdu_disk_info_t disk;
+               char *dv;
                disk.number = d;
                if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
-                       fprintf(stderr, Name ": cannot get disk detail for disk %d: %s\n",
-                               d, strerror(errno));
+                       if (d < array.raid_disks)
+                               fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
+                                       d, strerror(errno));
                        continue;
                }
-               printf("   %5d   %5d    %5d    %5d     ", 
-                      disk.number, disk.major, disk.minor, disk.raid_disk);
-               if (disk.state & (1<<MD_DISK_FAULTY)) printf(" faulty");
-               if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
-               if (disk.state & (1<<MD_DISK_SYNC)) printf(" sync");
-               if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
-               printf("\n");
+               if (d >= array.raid_disks &&
+                   disk.major == 0 &&
+                   disk.minor == 0)
+                       continue;
+               if (!brief) {
+                       printf("   %5d   %5d    %5d    %5d     ", 
+                              disk.number, disk.major, disk.minor, disk.raid_disk);
+                       if (disk.state & (1<<MD_DISK_FAULTY)) printf(" faulty");
+                       if (disk.state & (1<<MD_DISK_ACTIVE)) printf(" active");
+                       if (disk.state & (1<<MD_DISK_SYNC)) printf(" sync");
+                       if (disk.state & (1<<MD_DISK_REMOVED)) printf(" removed");
+               }
+               if ((dv=map_dev(disk.major, disk.minor))) {
+                       if (!brief) printf("   %s", dv);
+                       if (!have_super) {
+                               /* try to read the superblock from this device
+                                * to get more info
+                                */
+                               int fd = open(dv, O_RDONLY);
+                               if (fd >=0 &&
+                                   load_super(fd, &super) ==0 &&
+                                   super.ctime == array.ctime &&
+                                   super.level == array.level)
+                                       have_super = 1;
+                       }
+               }
+               if (!brief) printf("\n");
+       }
+       if (have_super) {
+               if (brief) printf(" UUID=");
+               else printf("           UUID : ");
+               if (super.minor_version >= 90)
+                       printf("%08x:%08x:%08x:%08x", super.set_uuid0, super.set_uuid1,
+                              super.set_uuid2, super.set_uuid3);
+               else
+                       printf("%08x", super.set_uuid0);
+               if (!brief) printf("\n");
        }
+       if (brief) printf("\n");
        return 0;
 }