Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0xe2fba99a

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      206847      102400    7  HPFS/NTFS/exFAT
/dev/sda2          206848  1925967871   962880512    7  HPFS/NTFS/exFAT
/dev/sda3      1925969920  1953521663    13775872    7  HPFS/NTFS/exFAT

Disk /dev/sdb: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders, total 234441648 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: 0x521fb7c0

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048   168091647    84044800    7  HPFS/NTFS/exFAT
/dev/sdb2       206499838   234440703    13970433    5  Extended
/dev/sdb5       206499840   206761983      131072   82  Linux swap / Solaris
/dev/sdb6       206764032   234440703    13838336   83  Linux

Disk /dev/sdc: 31.9 GB, 31876710400 bytes
64 heads, 32 sectors/track, 30400 cylinders, total 62259200 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: 0x0009e87d

This doesn't look like a partition table
Probably you selected the wrong device.

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1   ?  3223366752  3470046675   123339962   f4  SpeedStor
/dev/sdc2   ?   378192737   710426324   166116794   10  OPUS
/dev/sdc3   ?   225603442   225603451           5   74  Unknown

Partition table entries are not in disk order