Atom2, > The use case behind that is to be able to backup only files from the > upperdir for several systems sharing a common lowerdir filesystem. I have > used that (scripted approach via rsync) now for quiet some time and a few > kernels back and it seemed to have worked very well. Why don't you just back up the upper directory itself instead of messing around with device numbers? Thanks, Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html