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On 01/05/2013, at 12:30 AM, Babu Challa <babu.cha...@ipaccess.com> wrote:

> Hi Andrew,
>  
> Greetings,
>  
> We are using corosync/pacemaker for  high availability
>  
> This is a 4 node HA cluster where each pair of nodes are configured for DB 
> and file system replication
> We have very tricky situation. We have configured two clusters with exact 
> same configuration on each. But on one cluster,  corosync restarting the 
> services when slave node is rebooted and re-joins the cluster.
>  
> We have tried to reproduce the issue on other cluster with multiple HA 
> scenarios but no luck
>  
> Few questions:
>  
> 1.       If rebooted slave is a  DC (designated Controller) , is there any 
> possibility of this issue
> 2.       Is there any known issue in pacemaker version currently  we are 
> using (1.1.5) which will be resolved if we upgrade to latest (1.8)

I believe there was one, check the ChangeLog

> 3.       Is there any chance that pacemaker/corosync behaves differently even 
> though configuration is same on each cluster

Timing issues do occur, how identical is the hardware?

> 4.       Can you please let us kinow if there is any possible reason for this 
> issue. That’s really helpful to reproduce this issue and fix it

More than likely it has been fixed in a later version.

>  
> Versions we are using;
>  
> Pacemaker version - pacemaker-1.1.5
> Corosync version - corosync-1.2.7
> heartbeat-3.0.3-2.3
>  
> R
> Babu Challa
> T: +44 (0) 1954 717972 | M: +44 (0) 7912 859958| E: babu.cha...@ipaccess.com 
> | W: www.ipaccess.com
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> CB23 6DW
>  
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>  
> 
> 
> 
> 
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> 
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> 
> 


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