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btrfs Source

Backup a btrfs volume or subvolume using btrfs send. Supports incremental backups.

Options

SnapshotsPath

Required.

Note: SnapshotsPath and Path both must be on the same btrfs filesystem.

Path

Required.

Note: This must be a btrfs subvolume.

@SnapshotCommand

Optional, defaults: [btrfs subvolume snapshot]

@SendCommand

Optional, defaults: [btrfs send]

@ReceiveCommand

Optional, defaults: [btrfs receive]

@DeleteCommand

Optional, defaults: [btrfs subvolume delete]

@ReuseSnapshots

Optional.

Take a time interval (for example, 1h for 1 hour). If set, if there exists a snapshot that is more recent than that interval, then reuse that snapshot for creating a backup rather than creating a new one. This can be useful if you want to backup a single btrfs filesystem to two (or more) destinations.

Note that for this to work properly, the reuse interval must be smaller that your interval between two backups to the same destination ; otherwise, uback may use the same snapshot for your incremental base and the reuse point, leading to an empty backup.