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Re: [Linux-cluster] CMAN and interface



On Thu, Sep 07, 2006 at 03:24:57PM +0100, O'Sullivan, Damian wrote:
> > -----Original Message-----
> > From: David Teigland [mailto:teigland redhat com] 
> > Sent: 07 September 2006 15:11
> > To: O'Sullivan, Damian
> > Cc: Linux-cluster redhat com
> > Subject: Re: [Linux-cluster] CMAN and interface
>  
> > The node names in cluster.conf should be the name assigned to 
> > the interface you want cman/dlm to use for 
> > heartbeating/locking.  So, in your case it sounds like you 
> > should use the name of the address on eth0 in cluster.conf (I 
> > think you can use IP addresses as node names, too, but I'm 
> > not certain.)
> > 
> > Dave
> > 
> 
> Thanks Dave,
> 
> I assume it is no problem to change the node names in the cluster.conf
> file on a running cluster?

I think it would be a problem, although I can't say exactly what would
break or how badly.  One thing that would break is fencing, since fenced
would be given the old name to fence and wouldn't be able to find it in
cluster.conf when looking up fencing paramters.  You probably need to stop
both nodes, change the names, then have them rejoin the cluster.

Dave


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