USeB Forum TI

View disk size

Start by finding your current disk size and device name. Make sure you are working on the right disk as the parted utility modifies the disk immediately.

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fdisk -l /dev/sdc

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root@primus ~ # fdisk -l /dev/sdc

Disk /dev/sdc: 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

Creating your partition

Run the parted utility on your device

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root@primus ~ # parted /dev/sdc

GNU Parted 2.1
Using /dev/sdc
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted)

Create a GPT partiton label

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(parted) mklabel gpt

You will be prompted on whether you want proceed with the changes and delete the current label on the disk. Type yes if you know this is what you want.

Warning: The existing disk label on /dev/sdc will be destroyed and all data on this disk will be lost.
Do you want to continue? Yes/No? yes
(parted)

Lets set our units to TB for readibility

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(parted) unit TB


Now create the 3 TB partition

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(parted) mkpart primary 0.00TB 3.00TB

Set whatever flags you need on the partition. (LVM, RAID, etc..) I will be using the LVM flag on the partition.

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(parted) set 1 lvm on

You can use the print command within parted to view your current partitions and flags.
Type quit to exit.

Para formatar

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mkfs.ext4 /dev/sdb1

Para montar

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mkdir /mnt/disco1
mount -t ext4 /dev/sdb1 /mnt/disco1

Lembrar de utilizar o UUID para identificar o disco para montar, comando blkid

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blkid

fonte: http://www.cobranix.com/index.php/creating-a-3tb-partition-using-parted/