> -----Original Message----- > From: Digimer [mailto:li...@alteeve.ca] > Sent: Thursday, 17 July 2014 2:02 PM > To: The Pacemaker cluster resource manager > Subject: Re: [Pacemaker] clusters on virtualised platforms > > Don't confuse quorum and fencing (stonith), they serve different purposes. > Basically, quorum is useful when things are working, fencing is required when > things go wrong. So regardless of quorum disk, you still need to be able to > fence. This requires that each VM be able to call the hypervisor and force a > power off.
TA, yep got that, I was thinking and writing .. > > Generally speaking, VM-based cluster nodes are good for learning, but not > production. It adds a layer that isn't needed and in HA, simple should trump > all else. Yeah well, it's not really going to change for us, we are virtualised and I can't really see that changing. In fact I would presume you would see more of it. Thanks > > digimer > > On 17/07/14 12:48 PM, Alex Samad - Yieldbroker wrote: > > Hi > > > > I wonder if there Best practise or how to, on how to run clusters on say > VMWare. > > > > I have built a 2 node cluster with 2 vm's I am hesitant to give rights to > > each > machine to restart the other node. Plus I would have to install the vmware lib > and.... > > > > So what do other people do > > > > Quick search gives me > > http://www.hastexo.com/resources/hints-and-kinks/fencing-vmware- > virtualized-pacemaker-nodes << But I am not keen on doing that .. > > > > I am working on centos 6.5 > > > > > > Can I use a network resource to make quorum, ie Can the node can ping > the dgw ? > > > > Thanks > > > > > > > > _______________________________________________ > > 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 > > > > > -- > Digimer > Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is > trapped in the mind of a person without access to education? > > _______________________________________________ > 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
