root@ubuntu:/# cat /proc/partitions
major minor  #blocks  name

  22     0   58633344 hdc
  22     1   58074943 hdc1
  22     2          1 hdc2
  22     5     554211 hdc5
   7     0     637480 loop0
 253     0   58074943 dm-0
 253     1     554211 dm-1