mdadm -Evvvvs

mdadm: No md superblock detected on /dev/loop0.
mdadm: No md superblock detected on /dev/sda1.
mdadm: No md superblock detected on /dev/sdc1.
/dev/sdd1:
   MBR Magic : aa55
Partition[0] :    432871117 sectors at   3224498923 (type 07)
Partition[1] :   1953460034 sectors at   3272020941 (type 16)
Partition[3] :    924335794 sectors at     50200576 (type 00)
/dev/sdd:
   MBR Magic : aa55
Partition[0] :      7856120 sectors at            8 (type 0b)
/dev/sda3:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 9d9e5d7c:9a588141:9c98b5c1:3e98c8f4
           Name : homeserv:1
  Creation Time : Sun Aug  4 05:00:18 2013
     Raid Level : raid10
   Raid Devices : 4

 Avail Dev Size : 5859874816 (2794.21 GiB 3000.26 GB)
     Array Size : 5859873792 (5588.41 GiB 6000.51 GB)
  Used Dev Size : 5859873792 (2794.21 GiB 3000.26 GB)
    Data Offset : 262144 sectors
   Super Offset : 8 sectors
   Unused Space : before=262064 sectors, after=1024 sectors
          State : clean
    Device UUID : 52b36569:f2b3c069:5b0dfb9f:e5dfbe60

    Update Time : Mon Jun  9 15:56:47 2014
       Checksum : 2d33bd5c - correct
         Events : 303

         Layout : near=2
     Chunk Size : 512K

   Device Role : Active device 0
   Array State : AAAA ('A' == active, '.' == missing, 'R' == replacing)
/dev/sda2:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 3e22c1f3:d0503471:34918a7c:7537c8c3
           Name : homeserv:0
  Creation Time : Sun Aug  4 04:58:41 2013
     Raid Level : raid1
   Raid Devices : 4

 Avail Dev Size : 390912 (190.91 MiB 200.15 MB)
     Array Size : 195392 (190.84 MiB 200.08 MB)
  Used Dev Size : 390784 (190.84 MiB 200.08 MB)
    Data Offset : 256 sectors
   Super Offset : 8 sectors
   Unused Space : before=176 sectors, after=128 sectors
          State : clean
    Device UUID : daffbdb1:46327798:4236164e:314f995c

    Update Time : Mon Jun  9 15:56:47 2014
       Checksum : c49def22 - correct
         Events : 47


   Device Role : Active device 0
   Array State : AAAA ('A' == active, '.' == missing, 'R' == replacing)
/dev/sda:
   MBR Magic : aa55
Partition[0] :   4294967295 sectors at            1 (type ee)
/dev/sdc3:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 9d9e5d7c:9a588141:9c98b5c1:3e98c8f4
           Name : homeserv:1
  Creation Time : Sun Aug  4 05:00:18 2013
     Raid Level : raid10
   Raid Devices : 4

 Avail Dev Size : 5859874816 (2794.21 GiB 3000.26 GB)
     Array Size : 5859873792 (5588.41 GiB 6000.51 GB)
  Used Dev Size : 5859873792 (2794.21 GiB 3000.26 GB)
    Data Offset : 262144 sectors
   Super Offset : 8 sectors
   Unused Space : before=262064 sectors, after=1024 sectors
          State : clean
    Device UUID : a28cd4c5:d5c32d62:563f0798:293c2e32

    Update Time : Mon Jun  9 15:56:47 2014
       Checksum : 4b8b34d1 - correct
         Events : 303

         Layout : near=2
     Chunk Size : 512K

   Device Role : Active device 3
   Array State : AAAA ('A' == active, '.' == missing, 'R' == replacing)
/dev/sdc2:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 3e22c1f3:d0503471:34918a7c:7537c8c3
           Name : homeserv:0
  Creation Time : Sun Aug  4 04:58:41 2013
     Raid Level : raid1
   Raid Devices : 4

 Avail Dev Size : 390912 (190.91 MiB 200.15 MB)
     Array Size : 195392 (190.84 MiB 200.08 MB)
  Used Dev Size : 390784 (190.84 MiB 200.08 MB)
    Data Offset : 256 sectors
   Super Offset : 8 sectors
   Unused Space : before=176 sectors, after=128 sectors
          State : clean
    Device UUID : b9968759:01bfdc65:3a77a420:9c263051

    Update Time : Mon Jun  9 15:56:47 2014
       Checksum : f22b22 - correct
         Events : 47


   Device Role : Active device 3
   Array State : AAAA ('A' == active, '.' == missing, 'R' == replacing)
/dev/sdc:
   MBR Magic : aa55
Partition[0] :   4294967295 sectors at            1 (type ee)
/dev/sdb3:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 9d9e5d7c:9a588141:9c98b5c1:3e98c8f4
           Name : homeserv:1
  Creation Time : Sun Aug  4 05:00:18 2013
     Raid Level : raid10
   Raid Devices : 4

 Avail Demdadm: No md superblock detected on /dev/sdb1.
v Size : 5859874816 (2794.21 GiB 3000.26 GB)
     Array Size : 5859873792 (5588.41 GiB 6000.51 GB)
  Used Dev Size : 5859873792 (2794.21 GiB 3000.26 GB)
    Data Offset : 262144 sectors
   Super Offset : 8 sectors
   Unused Space : before=262064 sectors, after=1024 sectors
          State : clean
    Device UUID : 80e43988:8235c2ce:2623e177:9469fcb6

    Update Time : Mon Jun  9 15:56:47 2014
       Checksum : df2d0f95 - correct
         Events : 303

         Layout : near=2
     Chunk Size : 512K

   Device Role : Active device 1
   Array State : AAAA ('A' == active, '.' == missing, 'R' == replacing)
/dev/sdb2:
          Magic : a92b4efc
        Version : 1.2
    Feature Map : 0x0
     Array UUID : 3e22c1f3:d0503471:34918a7c:7537c8c3
           Name : homeserv:0
  Creation Time : Sun Aug  4 04:58:41 2013
     Raid Level : raid1
   Raid Devices : 4

 Avail Dev Size : 390912 (190.91 MiB 200.15 MB)
     Array Size : 195392 (190.84 MiB 200.08 MB)
  Used Dev Size : 390784 (190.84 MiB 200.08 MB)
    Data Offset : 256 sectors
   Super Offset : 8 sectors
   Unused Space : before=176 sectors, after=128 sectors
          State : clean
    Device UUID : a405a063:06abbc03:f4bd737e:eb960433

    Update Time : Mon Jun  9 15:56:47 2014
       Checksum : e88e3d18 - correct
         Events : 47


   Device Role : Active device 1
   Array State : AAAA ('A' == active, '.' == missing, 'R' == replacing)
/dev/sdb:
   MBR Magic : aa55
Partition[0] :   4294967295 sectors at            1 (type ee)