[Pacemaker] Resource Agents in OpenVZ containers

[Tomasz Kontusz]

Andrew Beekhof <andrew at beekhof.net> napisał:
>
>On 16 Feb 2014, at 6:53 am, emmanuel segura <emi2fast at gmail.com> wrote:
>
>> i think, if you use pacemaker_remote inside the container, the
>container will be a normal node of you cluster, so you can run pgsql +
>vip in it
>> 
>> 
>> 2014-02-15 19:40 GMT+01:00 Tomasz Kontusz <tomasz.kontusz at gmail.com>:
>> Hi
>> I'm setting up a cluster which will use OpenVZ containers for
>separating resource's environments.
>> So far I see it like this:
>>  * each node runs Pacemaker
>>  * each container runs pacemaker_remote, and one kind of resource
>(but there might be multiple containers providing the same resource)
>>  * containers are started with VirtualDomain agent (I had to patch it
>a bit to work around libvirt/OpenVZ issue),
>>    each container resource is node-specific (and constrained to only
>run on the right node)
>> 
>> The problem I have is with running pgsql database with virtual IP in
>such setup.
>> I want to have IPaddr2 resource started on the node that holds
>container with current pgsql master.
>> How can I go about achieving something like that?
>
>Colocate the IP with the OpenVZ VM?

Won't work, because the containers are normally all running (psql01 on node 01, psql02 on node 02), and I want to collocate with current master.

>> Is the idea of using pacemaker_remote in such setup sensible?
>> 
>> --
>> Tomasz Kontusz
>> 
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>> 
>> -- 
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>
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