On Fri, Feb 24, 2006 at 02:22:08PM -0500, Jeff Hardy wrote: > I played around with this kind of setup for awhile, and found that there > was no need to vgchange -an on the "Other nodes" when I was making > changes on the "Admin node." I was also able to make volume changes on > two Admin nodes at the same time. I figured I was probably just > extremely lucky to win some extremely dangerous race conditions, so I > wouldn't do it in production. I assume the cluster extensions to LVM > (CLVM) are what allow multiple Admin actions on multiple Admin nodes? Yes. Heinz > > Anyway, just some friendly advice: follow the docs :) > > > On Wed, 2006-02-22 at 08:27 -0500, Joshua ChaitinPollak wrote: > > On Feb 22, 2006, at 8:12 AM, Patrick Caulfield wrote: > > > > > Joshua ChaitinPollak wrote: > > >> > > >> On Feb 22, 2006, at 3:49 AM, Heinz Mauelshagen wrote: > > >> > > >>> On Tue, Feb 21, 2006 at 04:22:10PM -0500, Joshua ChaitinPollak > > >>> wrote: > > >>>> Hello, I found this mention of sharing Volume Groups across > > >>>> Clusters > > >>>> on the LVM howto: > > >>>> > > >>>> http://www.tldp.org/HOWTO/LVM-HOWTO/sharinglvm1.html > > >>>> > > >>>> Am I right in assuming that this means you can have a single volume > > >>>> group active on multiple nodes in a cluster, provided that you > > >>>> doing > > >>>> mount the same logical volume on more than one node at a time? > > >>> > > >>> Yes, you assume right *but* you need a cluster filesystem (eg, GFS) > > >>> as well to be able to mount shared logical volumes on multiple nodes > > >>> at once or you mess up the data. > > >> > > >> Right, but I don't need GFS if I'm only going to mount the file > > >> system > > >> on one machine at a time, right? > > > > > > No, just a lot of care and discipline :) > > > > Great! And, my co-workers keep telling me, "You lack discipline!" > > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Red Hat GmbH Consulting Development Engineer Am Sonnenhang 11 Cluster and Storage Development 56242 Marienrachdorf Germany Mauelshagen@RedHat.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
