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

Kristián Feldsam admin at feldhost.cz
Tue Jul 25 14:12:44 UTC 2017


It looks like stickiness not configured.

http://clusterlabs.org/doc/en-US/Pacemaker/1.1-plugin/html/Clusters_from_Scratch/ch05s03s02.html

S pozdravem Kristián Feldsam
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> On 25 Jul 2017, at 16:06, Ken Gaillot <kgaillot at redhat.com> wrote:
> 
> 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
> help.
> 
>> 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
> locally.
> 
>> 
>> 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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> 
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