mkfs.btrfs

Create a btrfs filesystem.

Defaults to raid1, which specifies 2 copies of a given data block spread across 2 different devices.

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• 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}]

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