Hi, On Sun, Oct 02, 2011 at 10:20:34AM +0200, Tomasz Chmielewski wrote: > I want to build a cluster of 4 servers (servers A, B, C, D), with > different resources on them (mysql, webserver): > > webservers: A B C D > mysql: A B > > > Is there a way to make Pacemaker/heartbeat to let assign MySQL IP *only* > to servers A or B? Webserver IPs should be assigned to all servers (A, > B, C, D). > > I.e. if server A dies, I want to be sure MySQL IP is assigned to server > B, but not C or D.
Use negative location constraints: location lname1 mysql-ip1 -inf: C location lname2 mysql-ip1 -inf: D Or similar. Alternatively, make your cluster asymmetric then add positive location constraints. Whatever makes the configuration smaller and/or easier to understand. Thanks, Dejan > -- > Tomasz Chmielewski > http://wpkg.org > > > _______________________________________________ > Pacemaker mailing list: [email protected] > 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: [email protected] 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
