[Pacemaker] pacemaker RHEL6 with cman

Alex Samad - Yieldbroker Alex.Samad at yieldbroker.com
Mon Mar 17 02:40:31 UTC 2014


Hi

More digging. Seems like corosync started with cman used /etc/cluster/cluster.conf

To make it use udpu transport is pretty easy

change
  <cman />

to
  <cman transport="udpu">
  </cman>


A


> -----Original Message-----
> From: Digimer [mailto:lists at alteeve.ca]
> Sent: Monday, 17 March 2014 11:20 AM
> To: The Pacemaker cluster resource manager
> Subject: Re: [Pacemaker] pacemaker RHEL6 with cman
> 
> Corosync is still used. It provides communications and membership, cman
> provides quorum and DLM.
> 
> I've not used pacemaker on EL6/cman, so I can't offer a suggested corosync
> config, but what you had before should still be fine, if it was working before.
> 
> On 16/03/14 07:55 PM, Alex Samad - Yieldbroker wrote:
> > Hmm okay so what I get is corosync is not no longer used.
> >
> > So when I type pcs cluster status
> > Cluster Status:
> >   Last updated: Mon Mar 17 10:53:54 2014
> >   Last change: Fri Mar 14 15:13:46 2014 via cibadmin on devrp1
> >   Stack: cman
> >   Current DC: devrp1 - partition with quorum
> >   Version: 1.1.10-14.el6-368c726
> >   2 Nodes configured
> >   4 Resources configured
> >
> > PCSD Status:
> > Error: no nodes found in corosync.conf
> >
> > I get this, slightly confused, should I remove corosync (it seems to
> > be running)
> >
> > If I don't need corosync, then what does the file replication between nodes
> and how do I configure it to not be multi/broadcast. I have a few clusters in a
> vlan ?
> >
> > A
> >
> >
> >> -----Original Message-----
> >> From: Digimer [mailto:lists at alteeve.ca]
> >> Sent: Monday, 17 March 2014 10:37 AM
> >> To: The Pacemaker cluster resource manager
> >> Subject: Re: [Pacemaker] pacemaker RHEL6 with cman
> >>
> >> On 16/03/14 07:19 PM, Alex Samad - Yieldbroker wrote:
> >>> Hi
> >>>
> >>>
> >>>
> >>> I am in the process of migrating away from the pcmk plugin for
> >>> corosync
> >> and converting to cman.
> >>>
> >>> So from what I gather its
> >>>
> >>> Pacemaker -> cman -> corosync
> >>>
> >>> Can I still configure corosync with /etc/corosync/corosync.conf
> >>>
> >>> I want to change from multicast to udpu or is there a way to do that
> >>> from
> >> crm or pcs ?
> >>>
> >>> Alex
> >>
> >> This might be of help:
> >>
> >> http://blog.clusterlabs.org/blog/2013/pacemaker-on-rhel6-dot-4/
> >>
> >> digimer
> >>
> >> --
> >> 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 at 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 at 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 at 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




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