Re: [Libguestfs] [PATCH v2v] v2v: Allow output to block devices (RHBZ#1868690).

> > I'm completely sure what the question means, but virt-v2v currently > > does this: > > > > qemu-img create -f FORMAT filename > > qemu-img convert -n overlay filename This works, we also do this with file and block devices in most cases. I was confused by: > > > > + (* It turns out that libguestfs's disk creation code is > > > > + * considerably more flexible and easier to use than > > > > + * qemu-img, so create the disk explicitly using libguestfs I guess you don't create qcow2 image without qemu-img? > > The new code doesn't change that for files, but the proposal does > > change it for devices to only this command: > > > > qemu-img convert -n overlay device This does not work for qcow2, since -n disable creation of the image.