On 31/05/16 04:59 PM, Jay Scott wrote: > Greetings, > > Cluster newbie > Centos 7 > trying to follow the "Clusters from Scratch" intro. > 2 nodes (yeah, I know, but I'm just learning)
2-Node is perfectly fine, you just need to be aware of a couple things (like prioritized fencing via 'delay="x"' and setting corosync to wait_for_all). > <PRE> > [root@smoking ~]# pcs status > Cluster name: > Last updated: Tue May 31 15:32:18 2016 Last change: Tue May 31 > 15:02:21 > 2016 by root via cibadmin on smoking > Stack: unknown > Current DC: NONE > 2 nodes and 1 resource configured > > OFFLINE: [ mars smoking ] Nothing will work until the nodes are online. > Full list of resources: > > ClusterIP (ocf::heartbeat:IPaddr2): Stopped > > PCSD Status: > smoking: Online > mars: Online > > Daemon Status: > corosync: active/enabled > pacemaker: active/enabled > pcsd: active/enabled > </PRE> > > What concerns me at the moment: > I did > pcs resource enable ClusterIP > while simultaneously doing > tail -f /var/log/cluster/corosync.log > (the only log in there) Pacemaker logs is what you want. Once corosync is configured properly (and let pacemaker start it), you can basically forget that corosync exists. > and nothing happens in the log, but the ClusterIP > stays "Stopped". Should I be able to ping that addr? > I can't. > It also says OFFLINE: and both of my machines are offline, > though the PCSD says they're online. Which do I trust? > > [root@smoking ~]# pcs property show stonith-enabled > Cluster Properties: > stonith-enabled: false Enable fencing. It keeps your cluster sane and predictable. > yet I see entries in the corosync.log referring to stonith. > I'm guessing that's normal. > > My corosync.conf file says the quorum is off. > > I also don't know what to include in this for any of you to > help me debug. Run 'tail -f -n 0 /var/log/messages' on both nodes and then start pacemaker on both nodes. Use fpaste to share the log output please. > Ahh, also, is this considered "long", and if so, where would I post > to the web? > > thx. > > j. Long messages here are fine. -- 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? _______________________________________________ Users mailing list: Users@clusterlabs.org http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org