Hi! If we make a new file in aufs which is hard link to the file in rr-branch then that branch can't be removed from aufs. Even if we remove such hard link - this don't help. Why? If we check changes branch (read-write one) a new file is a full copy of reference file. We can unmount aufs and remount again with the same changes branch. Then we can remove rr-branch and add it again. But why this can not be done before unmounting aufs?
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