[virt-tools-list] Enabling qcow2 compression with virt-install

[Paul Maunders]

> Right.  qemu doesn't support compression on writes, so you can't
> create a new disk (with no content) with compression enabled.  You can
> only convert an existing disk with content, and I believe writes to
> such a disk are either entirely disabled or create uncompressed
> content.

OK thanks that makes sense now - and it does look like you can write
to a compressed image, but new writes are uncompressed.

Cheers for all your help!

Paul