> > Message: 1 > Date: Tue, 13 May 2008 15:53:37 +0200 > From: "Andreas Kurz" <[EMAIL PROTECTED]> > Subject: Re: [Linux-HA] Re: Heartbeat and Linux KVM? > To: "General Linux-HA mailing list" <[email protected]> > Message-ID: > <[EMAIL PROTECTED]> > Content-Type: text/plain; charset=ISO-8859-1 > > On Tue, May 13, 2008 at 1:51 PM, Nick Dyer <[EMAIL PROTECTED]> wrote: > > Thomas Mueller wrote: > > > > > i'm also thinking about using kvm and heartbeat togheter on a 2node > > cluster. > > > > > > Stack would be: > > > > > > - drbd > > > - ocfs2 > > > - libvirt (virsh) > > > - kvm with file backed storage > > > > > > so far i experimented with an virsh ocf resouce agent. but only to > start > > and stop. no migration. > > > > > > > OK. One of the downsides of Xen HVM is that you can't do live migration > > with the DRBD backend at present. That's the kind of thing that would > entice > > us to switch. > > How about: > http://blogs.linbit.com/florian/2007/09/03/drbd-806-brings-full-live-migration-for-xen-on-drbd/ > ?<http://blogs.linbit.com/florian/2007/09/03/drbd-806-brings-full-live-migration-for-xen-on-drbd/?> > ? > > Regards, > Andreas > > > > > > > > > > gotchas so far: > > > - ocfs2: fencing itself (two-node cluster problem... or my > configuration > > error) > > > - ocfs2: not integrated with heartbeat (i'm using debian, read about > > rewrite of ocfs2 on ml to allow userspace clustering - april 2008) > > > - kvm: virtio devices (aka disk/network performance) are new (kernel > >= > > 2.6.25) > > > - kvm: migration with virtio devices doesn't work yet > > > - debian: etch's libvirt/kvm somewhat too old (needs backporting) > > > > > > i would say: not an out-of-the box solution. > > > > > > > Sounds quite painful. I think I will stick to trying to solve our Xen > > problems for the moment! > >
you can try not to integrate ocfs2 in heartbeat and mount it with a script. You may want to look at http://wiki.linux-ha.org/AtulAthavale It is a kinda same set up for Xen but can be used for KVM too > > > cheers > > > > Nick > > > > > > > > _______________________________________________ > > Linux-HA mailing list > > [email protected] > > http://lists.linux-ha.org/mailman/listinfo/linux-ha > > See also: http://linux-ha.org/ReportingProblems > > > > > _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
