Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10] md1 : active raid1 sdb2[1] sda2[0] 523712 blocks super 1.2 [2/2] [UU] md2 : active raid1 sdb3[1] sda3[0] 215847232 blocks super 1.2 [2/2] [UU] bitmap: 1/2 pages [4KB], 65536KB chunk md0 : active raid1 sdb1[1] sda1[0] 33521664 blocks super 1.2 [2/2] [UU] unused devices: