Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdb1[1] sda1[0] 393280 blocks super 1.2 [2/2] [UU] md1 : active raid1 sdb2[1] sda2[0] 487859328 blocks super 1.2 [2/2] [UU] bitmap: 3/4 pages [12KB], 65536KB chunk unused devices: