root@jabba:~# mdadm --detail /dev/md0
/dev/md0:
        Version : 1.2
  Creation Time : Sat Jul 14 18:36:00 2012
     Raid Level : raid5
     Array Size : 3907037184 (3726.04 GiB 4000.81 GB)
  Used Dev Size : 976759296 (931.51 GiB 1000.20 GB)
   Raid Devices : 5
  Total Devices : 5
    Persistence : Superblock is persistent

    Update Time : Sat Jul 28 06:59:17 2012
          State : clean
 Active Devices : 5
Working Devices : 5
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 512K

           Name : jabba:0  (local to host jabba)
           UUID : 162ac6da:d0f86f12:5c42e274:be5e1a00
         Events : 53

    Number   Major   Minor   RaidDevice State
       0       8        1        0      active sync   /dev/sda1
       1       8       17        1      active sync   /dev/sdb1
       2       8       33        2      active sync   /dev/sdc1
       3       8       49        3      active sync   /dev/sdd1
       4       8       65        4      active sync   /dev/sde1

root@yoda:~# mdadm --detail /dev/md0
/dev/md0:
        Version : 1.2
  Creation Time : Sat Jul 14 21:45:50 2012
     Raid Level : raid5
     Array Size : 3907037184 (3726.04 GiB 4000.81 GB)
  Used Dev Size : 976759296 (931.51 GiB 1000.20 GB)
   Raid Devices : 5
  Total Devices : 5
    Persistence : Superblock is persistent

    Update Time : Sat Jul 28 07:01:54 2012
          State : active
 Active Devices : 5
Working Devices : 5
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 512K

           Name : yoda:0  (local to host yoda)
           UUID : 9b31e66d:16f2328f:4dc8584d:7a656e14
         Events : 30

    Number   Major   Minor   RaidDevice State
       0       8        1        0      active sync   /dev/sda1
       1       8       17        1      active sync   /dev/sdb1
       2       8       33        2      active sync   /dev/sdc1
       3       8       49        3      active sync   /dev/sdd1
       4       8       65        4      active sync   /dev/sde1

root@obi-wan:~# mdadm --detail /dev/md[0-1]
/dev/md0:
        Version : 1.2
  Creation Time : Fri Jul 20 08:10:23 2012
     Raid Level : raid5
     Array Size : 781237760 (745.05 GiB 799.99 GB)
  Used Dev Size : 156247552 (149.01 GiB 160.00 GB)
   Raid Devices : 6
  Total Devices : 6
    Persistence : Superblock is persistent

    Update Time : Sat Jul 28 07:03:27 2012
          State : clean
 Active Devices : 6
Working Devices : 6
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 512K

           Name : obi-wan:0  (local to host obi-wan)
           UUID : 0ed6eef0:d0b02302:bea62980:90e42cd0
         Events : 136

    Number   Major   Minor   RaidDevice State
       0       8        1        0      active sync   /dev/sda1
       1       8       17        1      active sync   /dev/sdb1
       2       8       33        2      active sync   /dev/sdc1
       3       8       49        3      active sync   /dev/sdd1
       4       8       65        4      active sync   /dev/sde1
       5       8       81        5      active sync   /dev/sdf1
/dev/md1:
        Version : 1.2
  Creation Time : Fri Jul 20 08:10:36 2012
     Raid Level : raid5
     Array Size : 1406639616 (1341.48 GiB 1440.40 GB)
  Used Dev Size : 468879872 (447.16 GiB 480.13 GB)
   Raid Devices : 4
  Total Devices : 4
    Persistence : Superblock is persistent

    Update Time : Sat Jul 28 07:02:58 2012
          State : clean
 Active Devices : 4
Working Devices : 4
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 512K

           Name : obi-wan:1  (local to host obi-wan)
           UUID : ea5fbddb:7102bee7:bd0baa90:73bea911
         Events : 78

    Number   Major   Minor   RaidDevice State
       0       8        2        0      active sync   /dev/sda2
       1       8       18        1      active sync   /dev/sdb2
       2       8       66        2      active sync   /dev/sde2
       3       8       82        3      active sync   /dev/sdf2