On 11/02/2012 09:18 AM, Kuniyasu Suzaki wrote: >> 1. Make the original image read-only accessible over NFS. >> 2. Modify QEMU to create two external snapshot files when the VM is >> paused for migration (during your fork operation): >> >> /host-a/original.qcow2 >> /host-a/new.qcow2 (backing file: /host-a/original.qcow2) >> /host-b/new.qcow2 (backing file: /host-b/original.qcow2) >> >> 3. After fork the two VMs will write into their respective new.qcow2 >> files. original.qcow2 is never modified anymore. > > Does it means nested qcow2? > Does it allow to use a snapshot image in original.qcow2? > # I want to share a snapshot image taken by "savevm" on two QEMUs.
This is not yet possible, someone has to step up and write patches to make it possible. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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