no On Tue, Mar 1, 2011 at 11:19 AM, David Heidt <david.he...@msales.com> wrote: > Hello List, > let me first explain my environment: > > * 2 Hosts with shared lvm-storage > * Debian Squeeze x64 with official squeeze heartbeat and pacemaker > * All resources are ocf:heartbeat:Xen > * One host is meant to host all production resources, the other is a > hot-standby > * We want to run instant testing systems based on lvm snapshots on the > standby node. > > This way, we can do heavy or dangerous tests without influencing the > production-host and taking advantage of the unused standby-hardware > In case of a hardware failure, all production resources have priority > (that is the colocation at the end) > To freely stop and restart resouces, i packed them into a group, but > no resource depends on another one, so the group has to be uncolocated > and unordered. > Finally i came to this setup: > > <snip> > > group grp_production rsc_1 rsc_2 \ > meta ordered="false" collocated="false" > > group grp_testing rsc_1_test rsc_2_test \ > meta ordered="false" collocated="false" > > colocation coloc_production_first -inf: grp_testing grp_production > > </snip> > > But following this thread makes me think of redesigning my crm setup: > http://oss.clusterlabs.org/pipermail/pacemaker/2011-January/008942.html > > Quote Andrew Beekhof: "Unordered and/or uncolocated groups are an > abomination." > > What do you think? are resource_sets maybe a suitable alternative? > > Regards, > > David > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: > http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker >
_______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker