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

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?