Timeshift: Backup on another device

[andreas85]

You could try:

GitHub - andreaskielkopf/BackSnap: Backup btrfs snapshots made by snapper / timeshift...

BackSnap: Call for Testers

BackSnap is a program for backing up btrfs snapshots to an external disk Why should I use something like this? I already have a reliable backup. I don’t want to take any (!) risks with my backup. Backsnap is based directly on btrfs. Therefore it can do the following: backups are snapshots, and fully readable backups are created differentially by btrfs send/receive backups are created with CoW compression is selectable as always with btrfs all backup operations are performed by btrfs itself St…