tldr/pages/linux/mkfs.btrfs.md

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2021-03-18 00:35:52 +00:00
# mkfs.btrfs
> Create a btrfs filesystem.
> Defaults to `raid1`, which specifies 2 copies of a given data block spread across 2 different devices.
> More information: <https://btrfs.wiki.kernel.org/index.php/Manpage/mkfs.btrfs>.
- Create a btrfs filesystem on a single device:
`sudo mkfs.btrfs --metadata single --data single {{/dev/sda}}`
- Create a btrfs filesystem on multiple devices with raid1:
`sudo mkfs.btrfs --metadata raid1 --data raid1 {{/dev/sda}} {{/dev/sdb}} {{/dev/sdN}}`
- Set a label for the filesystem:
`sudo mkfs.btrfs --label "{{label}}" {{/dev/sda}} [{{/dev/sdN}}]`