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= Creating a Disk Partition in Linux
// Start the title of a procedure module with a verb, such as Creating or Create. See also _Wording of headings_ in _The IBM Style Guide_.

This procedure describes how to partition a storage disk in Linux using the `parted` command.

== Procedure

. List the partitions using the `parted -l` command to identify the storage device you want to partition. Typically, the first hard disk (`/dev/sda` or `/dev/vda`) will contain the operating system, so look for another disk to find the one you want. For example:
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sudo parted -l
Model: ATA RevuAhn_850X1TU5 (scsi)
Disk /dev/vdc: 512GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number  Start   End    Size   Type     File system  Flags
 1      1049kB  525MB  524MB  primary  ext4         boot
 2      525MB   512GB  512GB  primary               lvm
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. Open the storage device. Use the `parted` command to begin working with the selected storage device. For example:
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sudo parted /dev/vdc
GNU Parted 3.3
Using /dev/vdc
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted)
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[IMPORTANT]
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Be sure to indicate the specific device you want to partition. If you just enter `parted` without a device name, it will randomly select a storage device to modify.
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. Set the partition table type to `gpt`, then enter `Yes` to accept it.
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(parted) mklabel gpt
Warning: the existing disk label on /dev/vdc will be destroyed
and all data on this disk will be lost. Do you want to continue?
Yes/No? Yes
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[NOTE]
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The `mklabel` and `mktable` commands are both used for making a partition table on a storage device. At the time of writing, the supported partition tables are: `aix`, `amiga`, `bsd`, `dvh`, `gpt`, `mac`, `ms-dos`, `pc98`, `sun`, `atari`, and `loop`. Use `help mklabel` to get a list of supported partition tables. Remember `mklabel` will not make a partition, rather it will make a partition table.
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. Review the partition table of the storage device.
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(parted) print
Model: Virtio Block Device (virtblk)
Disk /dev/vdc: 1396MB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
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. Create a new partition using the following command. For example, 1396 MB on partition 0:
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(parted) mkpart primary 0 1396MB

Warning: The resulting partition is not properly aligned for best performance
Ignore/Cancel? I

(parted) print
Model: Virtio Block Device (virtblk)
Disk /dev/vdc: 1396MB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number  Start   End     Size    File system  Name     Flags
 1      17.4kB  1396MB  1396MB               primary
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[NOTE]
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Providing a partition name under GPT is a must; in the above example, primary is the name, not the partition type. In a GPT partition table, the partition type is used as partition name. 
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. Quit using the `quit` command. Changes are automatically saved when you quit `parted`.
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(parted) quit
Information: You may need to update /etc/fstab. 
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