So basically we have a regression in newton for the xenserver backend it sounds like because the glance v2 code was added in newton and that's what's hardcoding the format to qcow2, and glance v1 usage is deprecated now. So you can't use glance v2 + xen and take snapshots of volume-backed instances.
So basically we have a regression in newton for the xenserver backend it sounds like because the glance v2 code was added in newton and that's what's hardcoding the format to qcow2, and glance v1 usage is deprecated now. So you can't use glance v2 + xen and take snapshots of volume-backed instances.