livecd / # mdadm --misc --detail /dev/md4
/dev/md4:
        Version : 00.90.03
  Creation Time : Thu Oct 26 17:04:07 2006
     Raid Level : raid1
     Array Size : 19534976 (18.63 GiB 20.00 GB)
    Device Size : 19534976 (18.63 GiB 20.00 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 4
    Persistence : Superblock is persistent

    Update Time : Sun Mar 25 15:20:09 2007
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : 0592e981:0fff7a2e:24a6067d:9bf69aaa
         Events : 0.12812

    Number   Major   Minor   RaidDevice State
       0       8       35        0      active sync   /dev/sdc3
       1       8       51        1      active sync   /dev/sdd3