[Virtio-fs] [PATCH v3 1/1] vhost-user-fs: add migration type property
Michael S. Tsirkin
mst at redhat.com
Wed Mar 1 15:40:30 UTC 2023
On Wed, Feb 22, 2023 at 10:50:02PM +0200, Anton Kuchin wrote:
> > Property on source does not satisfy both at the same time.
> > Property on destination does.
>
> If destination QEMUs on local and remote hosts have same properties
I'd say just make an exception from this rule.
> how can
> we
> write check that passes on the same host and fails on remote?
> Sorry, I don't understand how qemu can help to handle this. It knows nothing
> about the hosts so this is responsibility of management to software to know
> where it can migrate and configure it appropriately.
>
> Maybe I didn't understand your scenario or what you propose to check on
> destination. Could you explain a bit more?
Basically you would add "migration=external" to device before loading.
Pre load check fails migration of vhost-user-fs device if migration
has not been set.
--
MST
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