[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [libvirt] [RFC 0/2] Attempt to implement the standby fe
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [libvirt] [RFC 0/2] Attempt to implement the standby feature for assigned network devices |
Date: |
Wed, 5 Dec 2018 12:22:18 -0500 |
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.
--
MST