Re: [libvirt] [Qemu-devel] [RFC 0/2] Attempt to implement the standby feature for assigned network devices

On Wed, Dec 05, 2018 at 06:09:16PM +0100, Peter Krempa wrote: > From managements point of view, bundling all this together is really not > a good idea since it creates a very big matrix of failure scenarios. I think this is clear. This is why we are doing it in QEMU where we can actually do all the rollbacks transparently. > In > general even libvirt will prefer that upper layer management drives this > externally, since any rolback scenario will result in a policy decision > of what to do in certain cases, and what timeouts to pick. Architectural ugliness of implementing what is from users perspective a mechanism and not a policy aside, experience teaches that this isn't going to happen. People have been talking about the idea of doing this at the upper layers for years.