[ClusterLabs] Does CMAN Still Not Support Multipe CoroSync Rings?

[Eric Robinson]

Thanks for the <altname> suggestion everyone. I'll give that a try.

> -----Original Message-----
> From: Jan Friesse [mailto:jfriesse at redhat.com]
> Sent: Monday, February 12, 2018 8:49 AM
> To: Cluster Labs - All topics related to open-source clustering welcomed
> <users at clusterlabs.org>; Eric Robinson <eric.robinson at psmnv.com>
> Subject: Re: [ClusterLabs] Does CMAN Still Not Support Multipe CoroSync
> Rings?
> 
> Eric,
> 
> > General question. I tried to set up a cman + corosync + pacemaker
> > cluster using two corosync rings. When I start the cluster, everything
> > works fine, except when I do a 'corosync-cfgtool -s' it only shows one
> > ring. I tried manually editing the /etc/cluster/cluster.conf file
> > adding two <interface>
> 
> AFAIK cluster.conf should be edited so altname is used. So something like in
> this example:
> https://access.redhat.com/documentation/en-
> us/red_hat_enterprise_linux/6/html/cluster_administration/s1-config-rrp-
> cli-ca
> 
> I don't think you have to add altmulticast.
> 
> Honza
> 
> sections, but then cman complained that I didn't have a multicast address
> specified, even though I did. I tried editing the /etc/corosdync/corosync.conf
> file, and then I could get two rings, but the nodes would not both join the
> cluster. Bah! I did some reading and saw that cman didn't support multiple
> rings years ago. Did it never get updated?
> >
> > [sig]
> >
> >
> >
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