[Pacemaker] Trouble getting fence_apc working on RHEL 6.1

[Andrew Beekhof]

On Mon, Jul 18, 2011 at 7:07 AM, Uwe Grawert <grawert at b1-systems.de> wrote:
> Am 17.07.11 22:49, schrieb Digimer:
>> On 07/17/2011 04:36 PM, Uwe Grawert wrote:
>>> Am 17.07.11 20:32, schrieb Digimer:
>>>> I've been trying to get my APC switched PDU working with Pacemaker using
>>>> Red Hat's fence_apc fence agent. The agent itself works fine. I can
>>>> fence nodes using:
>>>>
>>>> fence_na -a 192.168.1.6 -l apc -p secret -n 1 -o reboot
>>>>
>>>> When I try to fence using CRM though, I get these two errors:
>>>>
>>>> st_output="Parse error: Ignoring unknown option
>>>> 'nodename=an-node02.alteeve.com'#012Failed: Unable to obtain correct
>>>> plug status or plug is not available#012"
>>>>
>>>> The configuration is:
>>>>
>>>> # crm configure show
>>>> node an-node01.alteeve.com \
>>>>     attributes standby="off"
>>>> node an-node02.alteeve.com \
>>>>     attributes standby="off"
>>>> primitive apc-fencing stonith:fence_apc \
>>>>     params \
>>>>     pcmk_host_map="an-node01.alteeve.com:1,an-node02.alteeve.com:2" \
>>>>     pcmk_host_list="an-node01.alteeve.com an-node02.alteeve.com" \
>>>>     pcmk_host_check="static-list" \
>>>>     ipaddr="192.168.1.6" \
>>>>     action="reboot" \
>>>>     login="apc" \
>>>>     passwd="secret" \
>>>>     port="TBA" \
>>>>     property $id="cib-bootstrap-options" \
>>>>     dc-version="1.1.5-5.el6-01e86afaaa6d4a8c4836f68df80ababd6ca3902f" \
>>>>     cluster-infrastructure="openais" \
>>>>     expected-quorum-votes="2" \
>>>>     stonith-enabled="true"
>>>>
>>>> The full log file and the 'pe-warn' file are quite long and would wrap
>>>> badly in email. So I've put them up here:
>>>>
>>>> http://wiki.alteeve.com/index.php/CRM_troubles
>>>>
>>>> Any idea what magic I am missing? :)
>>>
>>> Pacemaker is adding following parameters: option, nodename, port,
>>> additionally to the ones you have configured. The nodename parameter is
>>> not the problem, it is ignored. But you have a port parameter defined:
>>> port="TBA". That one is getting overwritten with the node's name to
>>> fence. I had the same issue with fence_bladecenter agent and had to
>>> patch it.
>>>
>>> I wrote an email to this list a month ago. Subject: "Pacemaker
>>> additional parameters on stonith plugins"
>>>
>>> But there was no big fuzz ;)
>>
>> As I understood it, the:
>>
>> pcmk_host_map="an-node01.alteeve.com:1,an-node02.alteeve.com:2"
>>
>> was supposed to provide the name -> port mapping when port="TBA" is
>> used... Did you get a config working?
>
> I used a different fencing agent. But the problem is, that your
> configuration of the port parameter port="TBA" will be overwritten and
> endup looking like this: port="an-node02.alteeve.com". And that will
> break the fence agent.

Mostly right. The pcmk_host_map argument _should_ mean port is set to an int.
If not its a bug.  port=TBA is only to shut the shell up.