Hi, On Mon, Mar 22, 2010 at 09:29:50AM -0700, Alan Jones wrote: > Friends, > I have what should be a simple goal. Two resources to run on two nodes. > I'd like to configure them to run on separate nodes when available, ie. > active-active, > and provide for them to run together on either node when one fails, ie. > failover. > Up until this point I have assumed that this would be a base use case for > Pacemaker, however, it seems from the discussion on: > http://wiki.lustre.org/index.php/Using_Pacemaker_with_Lustre > ... that it is not (see below). Any ideas?
Why not just two location constraints (aka node preferences): location l1 rsc1 100: node1 location l2 rsc2 100: node2 Thanks, Dejan > Alan > > *Note:* Use care when setting up your point system. You can use the > point system if your cluster has at least three nodes or if the resource > can acquire points from other constraints. However, in a system with > only two nodes and no way to acquire points, the constraint in the > example above will result in an inability to migrate a resource from a > failed node. > > The example they refer to is similar to yours: > > # crm configure colocation colresOST1resOST2 -100: resOST1 resOST2 > _______________________________________________ > Pacemaker mailing list > Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker _______________________________________________ Pacemaker mailing list Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker
