I have hunted high and low for the information but, if it is out there,
it is well hidden.
What I want to do: I want to relocate (move) a subvolume from one BTRFS
volume to a different BTRFS volume.
I have seen the writeup for incremental backup which takes a snapshot,
and then using btrfs-send and btrfs-receive to create a copy on a
different volume. That works fine except the btrfs-receive set the new
copy to be readonly.
What I want to do is to use that new subvolume read/write. The only way
I have figured out to do this is to create another snapshot on the new
volume which is NOT readonly. I believe that means I need to keep both
of these subvolumes around.
Gene
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