fdisk -l

Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes
81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 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: 0xffb10d6c

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048  3907029167  1953513560   fd  Linux raid autodetect

Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes
81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 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: 0x8c295f33

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1            2048  3907029167  1953513560   fd  Linux raid autodetect

Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders, total 156301488 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: 0x00007cb3

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048   149874687    74936320   83  Linux
/dev/sda2       149876734   156301311     3212289    5  Extended
/dev/sda5       149876736   156301311     3212288   82  Linux swap / Solaris

Disk /dev/md0: 4000.8 GB, 4000795590656 bytes
2 heads, 4 sectors/track, 976756736 cylinders, total 7814053888 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 524288 bytes / 1048576 bytes
Disk identifier: 0x00000000