On Wed, 14 Feb 2018 23:11:49 +0000
Eric Robinson <eric.robin...@psmnv.com> wrote:

> > > Thanks for the <altname> suggestion everyone. I'll give that a try.
> > 
> > Sorry, I'm late on this, but I wrote a quick start doc describing this
> > (amongs other things) some time ago. See the following chapter:
> > 
> > https://clusterlabs.github.io/PAF/Quick_Start-CentOS-6.html#cluster-
> > creation
> > 
> I scanned through that page but I did not see where it talks about setting up
> multiple corosync rings.

Quoting the page:
  If you have an alternative network available (this is highly recommended),
  you can use the following syntax:

    pcs cluster setup --name cluster_pgsql srv1,srv1-alt srv2,srv2-alt 

  If your version of pcs does not support it (ie. CentOS 6.6 and bellow), you
  can fallback on the old but useful ccs command:

    pcs cluster setup --name cluster_pgsql srv1 srv2 srv3
    ccs -f /etc/cluster/cluster.conf --addalt srv1 srv1-alt
    ccs -f /etc/cluster/cluster.conf --addalt srv2 srv2-alt
    ccs -f /etc/cluster/cluster.conf --addalt srv3 srv3-alt
    pcs cluster sync
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