Re: domU migration [Was: Re: drop xen4.8 ?]

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

On Wed, 18 Dec 2019 at 22:38, Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
>
> On Wed, Dec 18, 2019 at 08:42:27PM +0200, Staffan Thomén wrote:
> > John Nemeth wrote:
> > > On Dec 17,  8:21pm, Manuel Bouyer wrote:
> > > }
> > > } I plan to remove xen 4.8 from pkgsrc after the freeze. It didn't get
> > > } security updates since some time.
> > > }
> > > } Any objection ?
> > >
> > >       Yes.  I just surveyed my systems and found several at 4.8.
> > > I'll have to try to schedule them for updating.  However, production
> > > dom0s aren't easy since it means downtime for all associated domUs.
> > > I imagine that there are other people in the same situation.
> >
> > Speaking of downtime, Xen has the 'migrate' feature, has anyone actually
> > tried this with netbsd dom0:s?
>
> To actually use that, you'd need a distributed or network storage
> for virtual disks. I played a bit with this but found it was not worth
> the complexity.
> Also I'm not sure you can migrate between major Xen versions
>
> > Secondly, do we have a filesystem that can be used here? What about the
> > upcoming 9.0 ZFS?
>
> AFAIK ZFS doens't have real-time synchronisation

XCP-NG now supports ZFS as a back-end storage, though.

>
> --
> Manuel Bouyer <bouyer%antioche.eu.org@localhost>
>      NetBSD: 26 ans d'experience feront toujours la difference
> --



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