Trying to clone a partition

[andreas85]

With btrfs you will destroy the filesystem, whenever you start a kernel that sees 2 btrfs-volumes with the same uuid !

You find good Information about Btrfs in the wiki

Btrfs

and in

[how to] rescue data from a damaged btrfs volume

Difficulty: ★★☆☆☆ You used btrfs. Now it’s paying off. There is an easy way out (I’ve already done this myself):

In most cases, when a btrfs volume breaks, it is possible to recover the data

This is because btrfs works with copy on write. This means that new changes are always appended at the end, so to speak. The previously existing data is not actually overwritten. (In reality this is a bit more complicated, but for us here this simplified view is sufficient). If the file system ge…

good luck