Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10] 
md1 : active raid1 sdb2[1] sda2[0]
      20954112 blocks super 1.2 [2/2] [UU]
      
md2 : active raid1 sdb3[1] sda3[0]
      3882767360 blocks super 1.2 [2/2] [UU]
      bitmap: 8/29 pages [32KB], 65536KB chunk

md0 : active raid1 sda1[0] sdb1[1]
      3142656 blocks super 1.2 [2/2] [UU]
      
unused devices: