I have been looking at versioned filesystems but I can't find any information on how to back them up. If my disk dies and I have to restore from a backup, I want to be able to restore the filesystem completely, including the past versions of all files.
Obviously the traditional methods like
rsync won't work, since they'll only copy the current version (right?). The only other thing I can think of would be to unmount the filesystem and use
dd, but that's very inconvenient.