On Thu, Mar 25, 2010 at 3:33 AM, Tim Serong <[email protected]> wrote: > On 3/24/2010 at 09:45 PM, Frank Lazzarini <[email protected]> wrote: >> Hi there, >> >> I am trying to set up a little 2 node cluster with DRBD >> pacemaker-heartbeat which will be using the ocfs2 Filesystem. I want to >> use ocfs as a non clustered filesystem to make things easier I don't >> really see the advantage of using ocfs as a clustered filesystem on a >> cluster block device, but enlight me if I didn't understand it >> correctly. Well here are my configs > > You'd use a clustered filesystem if you want both nodes to be able to > access the storage simultaneously. If you want to do this, you need to > run drbd in dual-primary mode, and also configure DLM.
Note though, that he said pacemaker-heartbeat. DLM+OCFS2/GFS2 only works with openais > > If you only want the filesystem to be mounted on one node at a time, > just use a regular, non clustered filesystem (ext3/4, XFS, whatever). > >> >> node $id="609b0bcb-8904-4666-bc2c-c66b8b2b7f1e" sitasl00001 >> node $id="610f86ee-6bd4-4789-8da9-9555cfa90b7b" sitasl00002 >> primitive drbd ocf:linbit:drbd \ >> params drbd_resource="r0" \ >> op monitor interval="15s" >> primitive fs ocf:heartbeat:Filesystem \ >> params device="/dev/drbd0" directory="/data" fstype="ocfs2" \ >> meta target-role="Started" >> primitive ip ocf:heartbeat:IPaddr2 \ >> params ip="10.65.68.239" nic="br0" >> group cluster ip >> ms ms_drbd drbd \ >> meta master-max="1" master-node-max="1" clone-max="2" >> clone-node-max="1" notify="true" >> colocation cluster-with-drbdmaster inf: cluster ms_drbd:Master >> property $id="cib-bootstrap-options" \ >> stonith-enabled="false" \ >> no-quorum-policy="ignore" \ >> dc-version="1.0.5-3840e6b5a305ccb803d29b468556739e75532d56" \ >> cluster-infrastructure="Heartbeat" \ >> last-lrm-refresh="1269427049" > > OCFS2 needs OpenAIS for DLM to work, so you'd have to replace Heartbeat > with Corosync+OpenAIS, configure DLM, etc. Check out the Clusters from > Scratch documents at http://www.clusterlabs.org/wiki/Documentation > for more information. > > Regards, > > Tim > > > -- > Tim Serong <[email protected]> > Senior Clustering Engineer, OPS Engineering, Novell Inc. > > > > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
