[Linux-HA] 6 node cluster? Am I doing this right?

Dejan Muhamedagic dejanmm at fastmail.fm
Wed Sep 26 07:03:19 MDT 2007


Hi,

On Wed, Sep 26, 2007 at 07:23:43AM -0500, Dave Augustus wrote:
> On Wed, 2007-09-26 at 00:33 +0200, Dejan Muhamedagic wrote:
> 
> > Hi,
> > 
> > On Tue, Sep 25, 2007 at 05:04:16PM -0500, Dave Augustus wrote:
> > > 6 servers- all running heartbeat
> > > 1 is LVS loadbalancer
> > > the other 5 are lvs realservers
> > > 
> > > 2 resource groups:
> > >  1 for the loadbalancer
> > >  1 CLONE resource group for the real servers
> > > 
> > > The loadbalancer can be ANY of the 6 servers.
> > > If a server is NOT the load balancer, then it runs as a real server.
> > > 
> > > Is this a supported configuration?
> > 
> > Yes. If I understood correctly. Just setup a clone with
> > clone_node_max set to 1. And an extra constraint to make room for
> > the other resource which would say "don't run these two on the
> > same node". Furthermore, make sure that the score for the
> > loadbalancer resource is always higher than for the clone.
> > 
> 
> 
> OK, I setup currently has 4 nodes. I clone_node_max to 1 and it ran a
> resource group *twice* on the same node. 
> 
> Is this a bug?

That shouldn't have happened. Please post the configuration and
logs.

Thanks,

Dejan

> 
> Dave
> 
> 
> > > Am I understanding this correctly?
> > 
> > Not sure to what do you refer.
> > 
> > Thanks,
> > 
> > Dejan
> > 
> > > This is quite amazing to me!
> > > 
> > > Dave
> > > 
> > > _______________________________________________
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