[dm-devel] Snapshot target and DAX-capable devices
mpatocka at redhat.com
Thu Aug 30 19:47:32 UTC 2018
On Thu, 30 Aug 2018, Jeff Moyer wrote:
> Mike Snitzer <snitzer at redhat.com> writes:
> > Until we properly add DAX support to dm-snapshot I'm afraid we really do
> > need to tolerate this "regression". Since reality is the original
> > support for snapshot of a DAX DM device never worked in a robust way.
You can't support dax on snapshot - if someone maps a block and the block
needs to be moved, then what?
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