[Linux-HA] 6 node cluster? Am I doing this right?
Raoul Bhatia [IPAX]
r.bhatia at ipax.at
Wed Sep 26 09:43:41 MDT 2007
Dejan Muhamedagic wrote:
> 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:
>>> 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
i think this might be related to my report earlier this month and the
so using the current interim build will resolve this issue.
otherwise, you can use a constraint to not allow clone:0 and clone:1 on
the same host.
DI (FH) Raoul Bhatia M.Sc. email. r.bhatia at ipax.at
IPAX - Aloy Bhatia Hava OEG web. http://www.ipax.at
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