Btrfs Snapshot To Non-btrfs Disk. Encryption, Read Acess
Answer : I will just add to Gilles' answer by saying that although you may use “ cp , rsync , etc.” to transfer your read-only subvolumes / snapshots, you may also send and store the subvolumes as btrfs streams using the btrfs send command. The btrfs Wiki mentions the following use: # btrfs subvolume snapshot -r / /my/snapshot-YYYY-MM-DD && sync # btrfs send /my/snapshot-YYYY-MM-DD | ssh user@host btrfs receive /my/backups # btrfs subvolume snapshot -r / /my/incremental-snapshot-YYYY-MM-DD && sync # btrfs send -p /my/snapshot-YYYY-MM-DD /my/incremental-snapshot-YYYY-MM-DD | ssh user@host btrfs receive /backup/home but you may also just save the streams for future use: # btrfs subvolume snapshot -r / /my/snapshot-YYYY-MM-DD && sync # btrfs send /my/snapshot-YYYY-MM-DD | ssh user@host 'cat >/backup/home/snapshot-YYYY-MM-DD.btrfs' # btrfs subvolume snapshot -r / /my/incremental-snapshot-YYYY-MM-DD && sync # btrfs send -p /my...