[root@monkey Twigathy]# /sbin/mdadm --detail /dev/md0 
/dev/md0:
        Version : 00.90.03
  Creation Time : Tue May  9 12:17:41 2006
     Raid Level : raid5
    Device Size : 195358336 (186.31 GiB 200.05 GB)
   Raid Devices : 4
  Total Devices : 3
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Mon Nov 27 20:33:40 2006
          State : active, degraded, Not Started
 Active Devices : 3
Working Devices : 3
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 64K

           UUID : 3fcaeb65:8eb04ab3:7fc5d52d:5d8380fd
         Events : 0.6138769

    Number   Major   Minor   RaidDevice State
       0       8       33        0      active sync   /dev/sdc1
       1       8       49        1      active sync   /dev/sdd1
       2       8       17        2      active sync   /dev/sdb1
       3       0        0        3      removed