User:Nathanlkoch/Tutorials/Btrfs Bootable Backups with Snapshots and Grub

Bootable Btrfs Snapshots

You can create snapshots of your partition sub volumes which you can recover from later or create chronological backups for safe keeping.

As per the User:Nathanlkoch/Tutorials/Btrfs Drive Migration I made. You can manually create snapshots or you can use a tool like Snapper.

To boot from them. You will need grub-btrfs.

root #emerge -av app-eselect/eselect-repository

root #eselect repository enable guru

root #emerge --sync

root #emerge --ask --verbose grub-btrfs

Now whenever you updated grub with a

root #grub-mkconfig -o /boot/grub/grub.cfg

It will detect your bootable sub volumes. You can also set it to detect them automatically and add them.

The config file for grub-btrfs is located at "/etc/default/grub-btrfs/config".

Done