Disk /dev/sda1: 316.2 GB, 316231647232 bytes
255 heads, 63 sectors/track, 38446 cylinders, total 617639936 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000

Disk /dev/sda1 doesn't contain a valid partition table

Disk /dev/sda5: 3838 MB, 3838836736 bytes
255 heads, 63 sectors/track, 466 cylinders, total 7497728 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000

Disk /dev/sda5 doesn't contain a valid partition table

Disk /dev/sdb1: 20.2 GB, 20174602240 bytes
255 heads, 63 sectors/track, 2452 cylinders, total 39403520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdb1 doesn't contain a valid partition table

Disk /dev/sdb5: 3837 MB, 3837788160 bytes
255 heads, 63 sectors/track, 466 cylinders, total 7495680 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Disk /dev/sdb5 doesn't contain a valid partition table