On 04/25/2013 04:37 AM, MORITA Kazutaka wrote: > Currently, we can take sheepdog snapshots of running VMs only from the > qemu monitor. This series allows taking online snapshots from > qemu-img.
Is that even safe? We specifically recommend that users NOT use qemu-img on any image that is in-use by a qemu process, and instead only use qemu monitor commands; since qemu-img may see inconsistent state, and worse, any writes that qemu-img do may cause qemu to see inconsistent state and cause corruption to the running guest. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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