NAME   MAJ:MIN   RM    SIZE   RO   TYPE   MOUNTPOINT
fd0   2:0    1    4k    0    disk
sda   8:0    0    232.9G 0   disk
  -sda1  8:1   0  232.9G 0   part
sdb    8:16  0    232.9G 0   disk
sr0    11:0  1    1G     0  rom  /cdrom 
loop   7:0    0  988.9M  1  loop /rofs