Re: Xen Clustering and Live Migration with NetBSD Dom0

[Stephen Borrill <netbsd%precedence.co.uk@localhost>]

On Thu, 22 Sep 2011, Jean-Yves Migeon wrote:
> On Thu, 22 Sep 2011 12:20:39 +0100, Hugo Silva wrote:
> > On 09/16/11 14:36, Manuel Bouyer wrote:
> > > > What options do we have at this moment to build
> > > > a Xen cluster running NetBSD/Xen ? Does anyone have personal experience
> > > > with this? If it's not supported is it a target of interest?
> > >
> > > This is being worked on by jym@ in a branch, which should be merged
> > > to HEAD soon.
> >
> > What goodies will it bring?
>
> For all arch (== i386 (+ PAE), amd64):
>
> dom0: already present (you can save/restore/migrate recent Linux domUs)
> domU: save/restore/migrate of domUs (including live, however for obvious 
> reasons this requires network mounted volumes)
>
> domU was committed a few days ago, needs some bug fixes though (they are 
> identified but I need spare time to work on them)

I tried a -current domU with XenServer and in conjunction with a patch to 
enable /kern/xen/xenbus, I fed XenServer all the right info for it to 
accept NetBSD as a supported guest (thus enabling migrate, suspend, 
memory ballooning, etc.). When I tried to migrate, it sent through a sleep 
button press on xenbus which I guess would need to be caught by powerd 
to action a suspend within the domU. Is there something within the NetBSD 
domU to do this?

--
Stephen