----- Original Message ----- > From: "Robert Parsons" <rpars...@tappublishing.com> > To: "The Pacemaker cluster resource manager" <pacemaker@oss.clusterlabs.org> > Sent: Wednesday, May 1, 2013 4:03:46 PM > Subject: [Pacemaker] Pacemaker/Corosync on Ubuntu 12.04 > > > > We're wanting to build a web server farm with approx 18 nodes. We're > aware of scalability issues with Corosync/Pacemaker but we're also > told > that it is getting better with newer versions of the software. Ubuntu > 12.04 is packaged with corosync 1.4.2 and pacemaker 1.1.6. I imagine > that we'll probably need to remove the packages and compile from > source > to get the later versions. What is the latest version suitable for > production? > > Also, does anyone have any suggestion for tuning Corosync to scale to > 18-24 nodes, running 18 services? > > Thanks for any help. > > -- > Robert Parsons > Chief Information Officer > TAP Publishing Company > 174 Fourth St > Crossville, TN 38557-0509 > 931-484-5137 > > > _______________________________________________ > 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 > Robert,
I have also been using Ubuntu 12.04 for Corosync/Pacemaker clusters. I've found that the feature series (1.1.x) of Pacemaker has too many changes/bugs to be used in a production environment, so I am waiting for the next stable series, 1.2.0. I have also been working to build updated packages of Corosync and Pacemaker for Ubuntu 12.04, which you can find in this PPA: https://launchpad.net/~asmartin/+archive/cluster-stable The Corosync 2.x series has some important improvements regarding quorum and membership data, so it is the version I would prefer to use in clusters going forward. See this article for more information: http://blog.clusterlabs.org/blog/2012/pacemaker-and-cluster-filesystems/ Thanks, Andrew _______________________________________________ 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
