Dan, I'll double-check on my machine, but I don't think what you see looks right for this scenario. In case of use_cow_images=false, I wouldn't expect the backing file to point at the _base directory at any time. That looks like the instance was created with a qcow2 disk from the start.
Dan, I'll double-check on my machine, but I don't think what you see looks right for this scenario. In case of use_cow_ images= false, I wouldn't expect the backing file to point at the _base directory at any time. That looks like the instance was created with a qcow2 disk from the start.