/dev/sda4:
          Magic : a92b4efc
        Version : 0.90.00
           UUID : 06232a92:b287dbe1:1068be07:2c75760a
  Creation Time : Fri Mar 23 15:44:26 2012
     Raid Level : raid1
  Used Dev Size : 195312576 (186.26 GiB 200.00 GB)
     Array Size : 195312576 (186.26 GiB 200.00 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 1

    Update Time : Wed Jul  4 13:01:24 2012
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0
       Checksum : 49b975e5 - correct
         Events : 148


      Number   Major   Minor   RaidDevice State
this     0       8        4        0      active sync   /dev/sda4

   0     0       8        4        0      active sync   /dev/sda4
   1     1       8       20        1      active sync   /dev/sdb4