kklimonda@blue:~$ sudo sfdisk -u B -l /dev/sdb

Disk /dev/sdb: 38913 cylinders, 255 heads, 63 sectors/track
Units = blocks of 1024 bytes, counting from 0

   Device Boot   Start       End    #blocks   Id  System
/dev/sdb1   *     1024  312570879  312569856   8e  Linux LVM
/dev/sdb2            0         -          0    0  Empty
/dev/sdb3            0         -          0    0  Empty
/dev/sdb4            0         -          0    0  Empty
kklimonda@blue:~$