shell># yum install parted
shell># fdisk -l

Disk /dev/sdc: 6000.8 GB, 6000834772992 bytes
255 heads, 63 sectors/track, 729559 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

shell># parted /dev/sdc
GNU Parted 1.8.1
Using /dev/sdc
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt
(parted) mkpart
Partition name?  []? 6T                                              
File system type?  [ext2]? ext3 
Start? 0                                                                   
End? -1 
(parted) quit

shell># fdisk -l /dev/sdc

WARNING: GPT (GUID Partition Table) detected on '/dev/sdc'! The util fdisk doesn't support GPT. Use GNU Parted.

WARNING: The size of this disk is 6.0 TB (6000834772992 bytes).
DOS partition table format can not be used on drives for volumes
larger than 2.2 TB (2199023255040 bytes). Use parted(1) and GUID
partition table format (GPT).

Disk /dev/sdc: 6000.8 GB, 6000834772992 bytes
255 heads, 63 sectors/track, 729559 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1               1      267350  2147483647+  ee  EFI GPT

shell>#mkfs.ext3 /dev/sdc1
shell>#mount /dev/sdc1 /raid
shell>#df -h

Filesystem            Size  Used Avail Use% Mounted on
/dev/md0              9.5G  964M  8.1G  11% /
/dev/md1               64G  180M   61G   1% /volume
tmpfs                1014M     0 1014M   0% /dev/shm
/dev/sdc1             5.4T  1.7G  5.1T   1% /raid