On 07/05/2013 07:19 AM, Tudor Holton wrote:

$ sudo fdisk -l
Disk /dev/sdc: 2000.4 GB, 2000397852160 bytes
255 heads, 63 sectors/track, 243201 cylinders, total 3907027055 sectors

$ sudo smartctl -a /dev/sdc
Model Family:     Seagate Barracuda (SATA 3Gb/s, 4K Sectors)
Device Model:     ST2000DM001-1CH164
Firmware Version: CC43
User Capacity:    2,000,397,852,160 bytes [2.00 TB]

According to the product manual this disk has guaranteed sectors count
of 3,907,029,168 (one sector counts as 512 bytes).

3,907,029,168 * 512 = 2,000,398,934,016 bytes

As Mikael wrote is probably your controller.

-- 
Kai Stian Olstad