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Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000080

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   83  Linux
/dev/sda2              14        9729    78043770   8e  Linux LVM

Disk /dev/dm-0: 77.7 GB, 77779173376 bytes
255 heads, 63 sectors/track, 9456 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000


Disk /dev/dm-1: 2080 MB, 2080374784 bytes
255 heads, 63 sectors/track, 252 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x30307800

Note: sector size is 4096 (not 512)

Disk /dev/sdb: 79.8 GB, 79824777216 bytes
26 heads, 50 sectors/track, 14991 cylinders
Units = cylinders of 1300 * 4096 = 5324800 bytes
Disk identifier: 0x20202020

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1       14991    77953000    b  W95 FAT32