On Wed, Feb 13, 2013 at 10:53:14AM +0100, Sylvain Bauza wrote: > As per documentation, Nova (Openstack Compute layer) is doing a > 'qemu-img convert -s' against a running instance. > http://docs.openstack.org/trunk/openstack-compute/admin/content/creating-images-from-running-instances.html That command will not corrupt the running instance because it opens the image read-only. It is possible that the new image is corrupted since qemu-img is reading from a qcow2 file that is changing underneath it. However, the chance is small as long as the snapshot isn't deleted while qemu-img convert is running. So this doesn't sound like the cause of the problems you are seeing. Stefan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
