>>Ah, you're right. We need to add an options field, or use a new >>blockdev-mirror command.
Ok, thanks. Can't help to implement this, but I'll glad to help for testing. ----- Mail original ----- De: "Paolo Bonzini" <pbonz...@redhat.com> À: "Alexandre DERUMIER" <aderum...@odiso.com> Cc: "Ceph Devel" <ceph-de...@vger.kernel.org>, "qemu-devel" <qemu-devel@nongnu.org> Envoyé: Lundi 13 Octobre 2014 09:06:01 Objet: Re: qemu drive-mirror to rbd storage : no sparse rbd image Il 13/10/2014 08:06, Alexandre DERUMIER ha scritto: > > Also, about drive-mirror, I had tried with detect-zeroes with simple qcow2 > file, > and It don't seem to help. > I'm not sure that detect-zeroes is implement in drive-mirror. > > also, the target mirrored volume don't seem to have the detect-zeroes option > > > # info block > drive-virtio1: /source.qcow2 (qcow2) > Detect zeroes: on > > #du -sh source.qcow2 : 2M > > drive-mirror source.qcow2 -> target.qcow2 > > # info block > drive-virtio1: /target.qcow2 (qcow2) > > #du -sh target.qcow2 : 11G > Ah, you're right. We need to add an options field, or use a new blockdev-mirror command. Paolo
