mdstat - MDADM: RAID1 4-Disk

Return To MDADM: RAID1 4-Disk System Information

Personalities : [raid0] [raid1] 
md0 : active raid1 sdd[3] sdc[2] sdb[1] sda[0]
      117155264 blocks super 1.2 [4/4] [UUUU]
      bitmap: 1/1 pages [4KB], 65536KB chunk

unused devices: