On 07/21/11 11:34, Daniel P. Berrange wrote: >>> > > QEMU is *not* yet running at the time libvirt reads the file metadata. >> > >> > Of course it is: hotplug > In the case of hotplug, the hotplug monitor commands have not yet been > invoked when libvirt access the file metadata, or the drive has already > been unplugged, so there is still no concurrent access to the file by > QEMU and libvirt. Unless someone tries to hotplug an image that relies on a backing file already used by another image. While unlikely, it is possible. Jes -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list