major minor #blocks name 8 16 976762584 sdb 8 17 6144000 sdb1 8 18 970616832 sdb2 8 0 976762584 sda 8 1 6144000 sda1 8 2 970616832 sda2 9 1 970484736 md1 9 0 6138880 md0 7 0 4194304 loop0