Hi, On Fri, Jul 16, 2010 at 11:52:42AM +0200, pierre.casen...@almerys.com wrote: > Hello all, > I'm running an active/passive cluster with apache running on it. > I've declared 2 IPs and the apache process as ressources. I've declared a > colocation between these IP and apache, and an order so that apache is > brung up after the IPs. > > As my system is in production now, I can't really play around with it! > I'm wondering how I can add a third IP to the cluster and modify the > colocation and order directives? > > To create the ressource, it's ok: > crm configure primitive ClusterIP_3 ocf:heartbeat:IPaddr2 params > ip=172.17.1.3 cidr_netmask=32 op monitor interval=30s > > But I don't know how to modify the existing colocation and order > directives.
Just use the edit command. Note that adding a third resource to a constraint will make it a resource set. Otherwise, you can add a second constraint. See chapter 6 in http://www.clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained > If you could also point me to a complete crm commands guide, it would be > perfect. http://www.clusterlabs.org/doc/crm_cli.html The help command prints the reference part from the document. Thanks, Dejan > Pierre > _______________________________________________ > 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