fdisk -l /dev/sdc

Disk /dev/sdc: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 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: 0x000401ac

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1               1     1000000      500000   fd  Linux raid autodetect
/dev/sdc2         1001472     4999167     1998848   82  Linux swap / Solaris
/dev/sdc3         4999168   931522559   463261696   fd  Linux raid autodetect