Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath] [faulty]
md1 : active raid1 sdb1[1]
30718912 blocks [2/1] [_U]

md2 : active raid1 sdb2[1]
943990720 blocks [2/1] [_U]

unused devices: <none>