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