[Pacemaker] resource is too active problem in a 2-node cluster

[Andrew Beekhof]

On 12 Feb 2014, at 1:39 am, Ajay Aggarwal <aaggarwal at verizon.com> wrote:

> Yes, we have cman (version: cman-3.0.12.1-49). We use manual fencing ( I know it is not recommended).  There is an external monitoring and fencing service that we use (our own).
> 
> Perhaps subject line "resource is too active problem in a 2-node cluster" was misleading. Real problem is that resource is *NOT* too active, but pacemaker thinks it is.

It only thinks what the resource agent tells us.
Sounds like script.sh isn't OCF compliant.

 http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/_actions.html

> Which leads to undesirable recovery procedure. See log lines below
> 
> Feb 04 11:27:38 [45167] gol-5-7-0    pengine:  warning: unpack_rsc_op:     Processing failed op monitor for GOL-HA on gol-5-7-0: unknown error (1)
> Feb 04 11:27:38 [45167] gol-5-7-0    pengine:  warning: unpack_rsc_op:     Processing failed op monitor for GOL-HA on gol-5-7-6: unknown error (1)
> Feb 04 11:27:38 [45167] gol-5-7-0    pengine:    error: native_create_actions:     Resource GOL-HA (ocf::script.sh) is active on 2 nodes attempting recovery
> 
> 
> 
> 
> 
> On 02/10/2014 09:43 PM, Digimer wrote:
>> On 10/02/14 09:13 PM, Aggarwal, Ajay wrote:
>>> I have a 2 node cluster with no-quorum-policy=ignore. I call these nodes as node-0 and node-1. In addition, I have two cluster resources in a group; an IP-address and an OCF script.
>> 
>> Turning off quorum on a 2-node cluster is fine, in fact, it's required. However, that makes stonith all the more important. Without stonith, in any cluster but in particualr on two node clusters, things will not work right.
>> 
>> First and foremost; Configure stonith and test to make sure it works.
>> 
>>>    Pacemaker version: 1.1.10
>>>    Corosync version: 1-4.1-15
>>>    OS: CentOS 6.4
>> 
>> With CentOS/RHEL 6, you need cman as well. Please be sure to also configure fence_pcmk in cluster.conf to "hook" it into pacemaker's real fencing.
>> 
>>> What am I doing wrong?
>> <snip>
>>>         <nvpair id="cib-bootstrap-options-stonith-enabled" name="stonith-enabled" value="false"/>
>> 
>> That. :)
>> 
>> Once you have stonith working, see if the problem remains.
>> 
> 
> 
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