[ClusterLabs] why resources are restarted when a node rejoins a cluster?

Ken Gaillot kgaillot at redhat.com
Tue Jul 25 10:06:13 EDT 2017

On Mon, 2017-07-24 at 23:07 -0400, Digimer wrote:
> On 2017-07-24 11:04 PM, ztj wrote:
> > Hi all,
> > I have 2 Centos nodes with heartbeat and pacemaker-1.1.13 installed,
> > and almost everything is working fine, I have only apache configured
> > for testing, when a node goes down the failover is done correctly,
> > but there's a problem when a node failbacks.
> > 
> > For example, let's say that Node1 has the lead on apache resource,
> > then I reboot Node1, so Pacemaker detect it goes down, then apache
> > is promoted to the Node2 and it keeps there running fine, that's
> > fine, but when Node1 recovers and joins the cluster again, apache is
> > restarted on Node2 again.
> > 
> > Anyone knows, why resources are restarted when a node rejoins a
> > cluster? thanks

That's not the default behavior, so something else is going on. Show
your configuration (with any sensitive information removed) for more

> You sent this to the moderators, not the list.
> Please don't use heartbeat, it is extremely deprecated. Please switch
> to corosync.

Since it's CentOS, it has to be corosync, unless heartbeat was compiled

> To offer any other advice, you need to share your config and the logs
> from both nodes. Please respond to the list, not
> developers-owner at clusterlabs.org.
> digimer
> -- 
> Digimer
> Papers and Projects: https://alteeve.com/w/
> "I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops." - Stephen Jay Gould
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Ken Gaillot <kgaillot at redhat.com>

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