On Tue, 12 Aug 2014 20:57:32 -0600
Eric Blake wrote:
qemu-img rebase -u -b inner.img -F qcow2 -f qcow2 outer.qcow2
Cool. I never noticed rebase before. It is good to learn new
things - Thanks.
Now I wonder if it would still work if I used virt-sparsify
to zero out the un-used block rather than merely converting
the raw to qcow2? :-).