[Pacemaker] Failover domains?

[David Quenzler]

Other than single point of control, there is no reason multiple
clusters could not be used.
What would the best practice be?

On 10/26/10, Serge Dubrouski <sergeyfd at gmail.com> wrote:
> On Tue, Oct 26, 2010 at 12:24 PM, David Quenzler <quenzler at gmail.com> wrote:
>> How about something like...
>>
>> Cluster with 4 nodes: node1 node2 node3 node4
>>
>> ResourceA runs only on node1 and node2, never on node3 or node4
>> ResourceB runs only on node3 and node4, never on node1 or node2
>
> Just curios, what is the point of building a 4-node cluster in this
> case instead of 2 clusters of 2 nodes each?
>
>>
>> On 10/26/10, Pavlos Parissis <pavlos.parissis at gmail.com> wrote:
>>> On 25 October 2010 19:50, David Quenzler <quenzler at gmail.com> wrote:
>>>
>>>> Is there a way to limit failover behavior to a subset of cluster nodes
>>>> or pin a resource to a node?
>>>>
>>>>
>>> Yes, there is a way.
>>>
>>> Make sure you have a asymmetric cluster by setting symmetric-cluster to
>>> false
>>> and then configure accordingly your location constraints in order to have
>>> the failover domains as you wish.
>>>
>>> Here is en example from my cluster where I have 3 nodes and 2 resource
>>> group. Each resource group have unique primary node but both of them have
>>> shared secondary node.
>>>
>>> location PrimaryNode-pbx_service_01 pbx_service_01 200: node-01
>>> location PrimaryNode-pbx_service_02 pbx_service_02 200: node-02
>>>
>>> location SecondaryNode-pbx_service_01 pbx_service_01 10: node-03
>>> location SecondaryNode-pbx_service_02 pbx_service_02 10: node-03
>>>
>>>
>>> Cheers,
>>> Pavlos
>>>
>>
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>>
>
>
>
> --
> Serge Dubrouski.
>
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>