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Re: [Linux-cluster] The purpose of /usr/lib64/stonith/plugins/external



On Mon, Jul 12, 2010 at 3:13 PM, Digimer <linux alteeve com> wrote:
> On 10-07-12 04:47 AM, Andrew Beekhof wrote:
>>
>> On Sun, Jul 11, 2010 at 7:08 AM, Digimer<linux alteeve com>  wrote:
>>>
>>> Hi all,
>>>
>>>  I've got a home-grown fence device I am trying to add support for Fedora
>>> 13
>>> (specifically, corosync 1.2.3, cluster-glue 1.0.2 et. al.).
>>>
>>>  Under CentOS, I wrote an agent and placed it in /usr/sbin/ and that
>>> worked
>>> fine.
>>
>> Thats fine then.  Pacemaker can use RHCS devices too.
>>
>>> Now though, there is the /usr/lib64/stonith/plugins/external/
>>> directory which seems to also be used. I noticed this when I used
>>> 'stonith
>>> -L'.
>>
>> This is for the old heartbeat-style fencing devices.  You can ignore it.
>
> That's what I was starting to think, and ended up doing just that, ignoring
> it.
>
> If I may ask; The "Cluster from Scratch" manual for Fedora 11/12 suggests
> starting corosync directly. This kept failing because it didn't find a
> configured stonith device.

Define "this"?
What couldn't find a fencing device?

> However, I went back and created a cluster.conf
> and then started cman and everything was (largely) fine.

1.1.3 will actually be able to sit on top of a regular cman cluster.
It can start and stop independently of corosync or cman.

Its also not that hard to configure corosync.conf to start cman .

>
> Is there a document or similar that more clearly defines what is the old
> HA-Linux components versus the RHCS? Or further, what is the proper method
> of building a cluster based on RHCS using corosync/pacemaker?
>
> Thanks kindly!
>
> --
> Digimer
> E-Mail:         linux alteeve com
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>


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