Disk /dev/dm-0: 1998 MB, 1998585856 bytes
255 heads, 63 sectors/track, 242 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0c6d9de1

Disk /dev/dm-0 doesn't contain a valid partition table