[libvirt] [Xen-devel] [PATCH] libxl: Disallow save or migrate when host devices are assigned to a guest.

[Dario Faggioli]

On Fri, 2015-05-01 at 15:32 -0600, Jim Fehlig wrote:
> Dario Faggioli wrote:

> > I mean what NUMA configuration are we talking about, and when and under
> > what circumstances would you consider it "migratable"?
> >   
> 
> E.g. if a domain is configured to use memory allocated from certain numa
> nodes, we'd want to make sure the dest has sufficient memory amongst
> those nodes.
> 
Right. I was asking because I'm interested in the problem at the libxl
level. To the best of my knowledge, I don't think we do anything like
that in libxl for now, and I still am not sure whether we should... :-)

> But these were just examples of things we may want to check before
> starting the migration.  I suppose there are better examples wrt
> storage, e.g. does the domain have an attached DVD, ...
> 
Exactly.

Do (if you know that) other drivers in libvirt do these kind of checks?

Regards,
Dario
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