Migrating btrfs @home subvolume to a separate raid disk for /home

[megavolt]

@binarydepth

I use a separate btrfs raid disk for /home. In fstab the home folder has a subvolume and I want to transfer it to the separate disk and fix fstab for

So both are BTRFS? Just use this method to copy/move a subvolume:

[HowTo] Copy/Move a subvolume from one partition to another

Difficulty: ★★★☆☆ While there are a some applications, which provide a tooling for doing incremental backups, yet there is no simple tutorial which just explain how to move a subvolume. That is the reason why I try to explain the basic steps here. Preparation Install pv: pamac install pv pv is needed to monitor the progress, when streaming or piping on the terminal, but is rather optional. Switch to root: sudo --shell --user root Set the source and target path: export SOUR…

In /etc/fstab you would just need to change the UUID. Everything else would be the same.

Since BTRFS RAID, you would need to add btrfs to the HOOKS at /etc/minitcpio.conf just before autodetect, so that the RAID devices are scanned very early.