mdadm -E of my drives

/dev/sdb1:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 87242ded:bae99663:1b49e91f:1e10e7d9
           Name : darkbloom:0  (local to host darkbloom)
  Creation Time : Fri Aug 12 18:45:57 2011
     Raid Level : raid5
   Raid Devices : 3

 Avail Dev Size : 976765954 (465.76 GiB 500.10 GB)
     Array Size : 1953529856 (931.52 GiB 1000.21 GB)
  Used Dev Size : 976764928 (465.76 GiB 500.10 GB)
    Data Offset : 2048 sectors
   Super Offset : 8 sectors
          State : active
    Device UUID : 22708b61:d2e2c84f:36290ad6:9ede48f5

    Update Time : Fri Aug 12 18:45:57 2011
       Checksum : 5c75217a - correct
         Events : 0

         Layout : left-symmetric
     Chunk Size : 512K

   Device Role : Active device 0
   Array State : AAA ('A' == active, '.' == missing)
/dev/sdc1:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 87242ded:bae99663:1b49e91f:1e10e7d9
           Name : darkbloom:0  (local to host darkbloom)
  Creation Time : Fri Aug 12 18:45:57 2011
     Raid Level : raid5
   Raid Devices : 3

 Avail Dev Size : 976765954 (465.76 GiB 500.10 GB)
     Array Size : 1953529856 (931.52 GiB 1000.21 GB)
  Used Dev Size : 976764928 (465.76 GiB 500.10 GB)
    Data Offset : 2048 sectors
   Super Offset : 8 sectors
          State : active
    Device UUID : fbd5c9cb:a7a6d2ee:9fcbbccc:dfc7c4f2

    Update Time : Fri Aug 12 18:45:57 2011
       Checksum : 59ebd6d4 - correct
         Events : 0

         Layout : left-symmetric
     Chunk Size : 512K

   Device Role : Active device 1
   Array State : AAA ('A' == active, '.' == missing)
/dev/sdd1:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 87242ded:bae99663:1b49e91f:1e10e7d9
           Name : darkbloom:0  (local to host darkbloom)
  Creation Time : Fri Aug 12 18:45:57 2011
     Raid Level : raid5
   Raid Devices : 3

 Avail Dev Size : 976765954 (465.76 GiB 500.10 GB)
     Array Size : 1953529856 (931.52 GiB 1000.21 GB)
  Used Dev Size : 976764928 (465.76 GiB 500.10 GB)
    Data Offset : 2048 sectors
   Super Offset : 8 sectors
          State : active
    Device UUID : cdcbec6e:8929e8bf:fb73b3e9:1581916a

    Update Time : Fri Aug 12 18:45:57 2011
       Checksum : 62e7b11a - correct
         Events : 0

         Layout : left-symmetric
     Chunk Size : 512K

   Device Role : Active device 2
   Array State : AAA ('A' == active, '.' == missing)