tldr/pages/linux/btrfs-subvolume.md

btrfs subvolume

Manage btrfs subvolumes and snapshots. More information: https://btrfs.readthedocs.io/en/latest/btrfs-subvolume.html.

• Create a new empty subvolume:

sudo btrfs {{[su|subvolume]}} {{[c|create]}} {{path/to/new_subvolume}}

• List all subvolumes and snapshots in the specified filesystem:

sudo btrfs {{[su|subvolume]}} {{[l|list]}} {{path/to/btrfs_filesystem}}

• Delete a subvolume:

sudo btrfs {{[su|subvolume]}} {{[d|delete]}} {{path/to/subvolume}}

• Create a [r]ead-only snapshot of an existing subvolume:

sudo btrfs {{[su|subvolume]}} {{[sn|snapshot]}} -r {{path/to/source_subvolume}} {{path/to/target}}

• Create a read-write snapshot of an existing subvolume:

sudo btrfs {{[su|subvolume]}} {{[sn|snapshot]}} {{path/to/source_subvolume}} {{path/to/target}}

• Show detailed information about a subvolume:

sudo btrfs {{[su|subvolume]}} {{[sh|show]}} {{path/to/subvolume}}