On Wed, Mar 17, 2010 at 6:44 PM, Michele Codutti <michele.codu...@uniud.it> wrote: > Hi all, It's possible to constrain a resource to run only on nodes where also > runs an instance of a patricular clone? > Example: I've a database-like application that i've setup as a clone to run > one instance for every node. Only one instance of this application could be > queried the other ones are in stand-by ready do takeover in case of the > active instance would fail. So i configure an IPaddr2 resource > (single/primitive) with a service IP that can run on any node of the cluster. > Now what I want is to constrain the IP resource to run where an instance of > my clone resource is running. > Otherwise the clients cannot query any running service. > So I wrote this constrain: > <rsc_colocation id="ip_runs_with_service" from="ip" to="service" > score="INFINITY"> > Where the name of the clone is "service" and the name of the primitive > resource is "ip". > But it didn't work. > > Could i achieve the result in a different way?
Probably swap the values of from and to. OR, upgrade to pacemaker and get an improved syntax :-) Even I couldn't remember which way from and to worked all the time. > > Thanks in advance. > > Michele Codutti > Centro Servizi Informatici e Telematici (CSIT) > Universita' degli Studi di Udine > via Delle Scienze, 208 - 33100 UDINE > tel +39 0432 558928 > fax +39 0432 558911 > e-mail: michele.codutti at uniud.it > > _______________________________________________ > Linux-HA mailing list > Linux-HA@lists.linux-ha.org > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
