[root@help ~]# parted -a optimal /dev/sda
GNU Parted 2.1
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt
Warning: The existing disk label on /dev/sda will be destroyed and all data on this disk will be lost. Do you want
to continue?
Yes/No? yes
(parted) unit TB
(parted) mkpart primary 0.00TB 3.00TB
(parted) set 1 lvm on
(parted) print
Model: ATA ST3000DM001-1CH1 (scsi)
Disk /dev/sda: 3.00TB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Number Start End Size File system Name Flags
1 0.00TB 3.00TB 3.00TB ext4 primary lvm
(parted) quit
Information: You may need to update /etc/fstab.
[root@help ~]# fdisk -l
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sda: 3000.6 GB, 3000592982016 bytes
255 heads, 63 sectors/track, 364801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sda1 1 267350 2147483647+ ee GPT
Partition 1 does not start on physical sector boundary.
