major minor #blocks name 8 16 2097152 sdb 8 0 438304768 sda 8 1 438303727 sda1 11 0 6144 sr0 11 1 364 sr1 7 0 65508 loop0 7 1 68404 loop1 7 2 71924 loop2 7 3 68408 loop3 7 5 71912 loop5 7 6 65224 loop6 7 7 50476 loop7 7 8 51988 loop8