On Thu, Feb 11, 2021 at 08:37:10AM -0800, Shem Pasamba wrote: In general I would recommend using a more featureful server, ie. qemu-nbd or nbdkit. The error means that the server returned error NBD_REP_ERR_POLICY, but the true reason will only be contained in the logs on the server side. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://people.redhat.com/~rjones/virt-top