root@server [~]# mdadm --examine /dev/sda5 /dev/sdb5
/dev/sda5:
          Magic : a92b4efc
        Version : 00.90.00
           UUID : 8a5f5d19:dab473c6:f8ac036a:038021e0
  Creation Time : Fri Sep  2 09:27:10 2005
     Raid Level : raid1
    Device Size : 55994432 (53.40 GiB 57.34 GB)
   Raid Devices : 2
  Total Devices : 1
Preferred Minor : 3

    Update Time : Fri Mar  2 00:00:39 2007
          State : clean
 Active Devices : 1
Working Devices : 1
 Failed Devices : 1
  Spare Devices : 0
       Checksum : 9baeae8d - correct
         Events : 0.41336381


      Number   Major   Minor   RaidDevice State
this     0       8        5        0      active sync   /dev/sda5
   0     0       8        5        0      active sync   /dev/sda5
   1     1       0        0        1      faulty removed
/dev/sdb5:
          Magic : a92b4efc
        Version : 00.90.00
           UUID : 8a5f5d19:dab473c6:f8ac036a:038021e0
  Creation Time : Fri Sep  2 09:27:10 2005
     Raid Level : raid1
    Device Size : 55994432 (53.40 GiB 57.34 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 3

    Update Time : Sat Feb 24 00:12:37 2007
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0
       Checksum : 9b971f5f - correct
         Events : 0.40823208


      Number   Major   Minor   RaidDevice State
this     1       8       21        1      active sync   /dev/sdb5
   0     0       8        5        0      active sync   /dev/sda5
   1     1       8       21        1      active sync   /dev/sdb5