[Linux-cluster] Strange CMAN error

[Chrissie Caulfield]

Jeff Sturm wrote:
> What might cause a message like:
>  
> Jan 12 08:41:24 t0core-mqc02 openais[1716]: [CMAN ] Node 8 conflict,
> remote cluster name='t0core-inner-rhcxvm', local='t0core-inner-rhc'
> 
> I've double- and triple-checked that /etc/cluster/cluster.conf is
> identical on every node.  It starts with:
> 
> <?xml version="1.0"?>
> <cluster name="t0core-inner-rhc" config_version="3">
>   <fencedevices>
>     <fencedevice name="xvm" agent="fence_xvm"/>
>   </fencedevices>
> 
> It's as though cman is concatenating the two attributes somehow.
> Coincident with this, "cman_tool nodes" says the node 8 is not a member
> (though node 8 thinks it is).

The cluster name is too long. 15 characters is the maximum.

> We're having trouble with our cluster when fencing/rejoining a node.  It
> operates fine when starting the whole cluster together.  This is on
> CentOS 5.2.
> 
> Thanks for any insight...
>  
> Jeff
> 
> 


Chrissie