All the other replies will work, however the original intention was that people would use
http://clusterlabs.org/doc/en-US/Pacemaker/1.1-crmsh/html/Pacemaker_Explained/_using_rules_to_control_resource_options.html In practice it may be more or less usable than the alternatives. On 08/04/2013, at 5:34 PM, Felix Zachlod <fz.li...@sis-gmbh.info> wrote: > Hello List, > > I am up to writing a resource agent for Pacemaker which shall be used in a > Master/Slave manner. So the cluster shall always run two instances and one > of them shall be Master. My clone instances need a different configuration > depending on the node that they are running on. I know I could accomplish > this by having some kind of configuration file on each node but I want to > manage as much as possible through the cluster manager. So what I want is a > Master / Slave (or clone) resource running with instance attributes tied to > the cluster node which they are running on. > > Let me explain what the purpose is: > > The resource is dependent on specific hardware on the cluster node, which > has different hardware addresses on each node. So resource instance A DOES > deliver the same service as resource instance B at least when being in the > master state each but anyways has to be started with a different parameter. > > I understood that I can configure a location constraint for a resource so > that it can be run only on one node Lets say my RA expects a param > hwaddr={string}. I can set up a resource for Node a with hwaddr="a" and one > for node b with hwaddr="b" but how can I tell pacemaker that these two > resources now shall be treated as a Master Slave set? Or am I thinking about > this too complicated? > > Thank you for any hint in advance, > Felix > > > _______________________________________________ > 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://bugs.clusterlabs.org _______________________________________________ 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://bugs.clusterlabs.org
