viper ~ # mdadm -Q --detail /dev/md0
/dev/md0:
        Version : 00.90.01
  Creation Time : Sun Apr  3 08:51:51 2005
     Raid Level : raid1
     Array Size : 104704 (102.25 MiB 107.22 MB)
    Device Size : 104704 (102.25 MiB 107.22 MB)
   Raid Devices : 2
  Total Devices : 1
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Sun Apr  3 08:51:51 2005
          State : clean, degraded
 Active Devices : 1
Working Devices : 1
 Failed Devices : 0
  Spare Devices : 0

           UUID : 4b993492:f14779a5:cb3a7776:548eb19d
         Events : 0.1

    Number   Major   Minor   RaidDevice State
       0       0        0        -      removed
       1      22        1        1      active sync   /dev/hdc1