On Wed, 8 Jun 2016 08:37:57 +0000 cdlscpmv <[email protected]> wrote:
> It happened that I set the immutable flag (via `chattr +i`) on a subvolume. > Then I made a read-only snapshot of that subvolume. Now I can't remove > this snapshot. > > #> btrfs subvolume delete my_snapshot > Delete subvolume (no-commit): 'my_snapshot' > ERROR: cannot delete 'my_snapshot': Operation not permitted > #> chattr -i my_snapshot > chattr: Read-only file system while setting flags on my_snapshot > #> btrfs --version > btrfs-progs v4.4.1 > #> uname -r > 4.5.2 > > Is there any other way to do this? Or is it a bug? You could try doing: btrfs property set my_snapshot ro false normally this should change it to a read-write snapshot. But it seems like changing btrfs properties is also blocked by chattr +i (at least I can't change compression methods on a +i file). -- With respect, Roman
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