[PATCH 08/19] storage: Format qcow2v3 volumes by default

[Peter Krempa]

On Fri, Feb 12, 2021 at 10:49:02 +0000, Daniel Berrange wrote:
> On Thu, Feb 11, 2021 at 04:37:47PM +0100, Peter Krempa wrote:
> > Format the new volumes with 'compat=1.1' since the minimum supported
> > qemu version is now 1.5 rather the pre-historic compat=0.10.
> 
> I understand the desire to do this, but this is none the less a
> semantic change to the behaviour of the APIs. It is the same
> situation as arbitrarily changing the defaults for any part of
> the domain XML.

I'm aware of that, but at certain point it IMO doesn't make sense to try
to stick with a prehistoric format just for the sake of it and IMO this
is it.

Nonetheless, it's not strictly required. I can just use the new format
for the non-shared-storage migration rather than globally if we want to
stay in the cave.