[Pacemaker] Fencing: Where?

[Nikita Staroverov]

> Hi,
>
> as far as I unterstood RH is going to do all infrastructure in the cman layer
> and user pacemaker only for resource management. Whith this setup fencing also
> will be a job of the fenced of the cman package.
>
> This design has its advantages: If descisions are taked on a low level, all
> parts of the cluster have the chance to know about theses descisions.
>
> BUT: If pacemaker needs to fence a node, it has no possibility to so so any
> more. Imagine a resource will not stop and pacemaker would like to fence that
> node to go on. How would that situation be handled with fencing in cman?
>
> Is there any way pacemaker can tell cman about it's wish to fence an other
> nore?
>
> The only solution I can think of is to delegate the fencing in cman to
> pacemaker. So both layers are able to fence. But this cannot be a good
> solution, since we have to setup fencing on two places.
>
> Thanks for fruitful discussion.
>
>
> Mit freundlichen Grüßen,
>
> Michael Schwartzkopff
>
>
>
fence_pcmk does the job. Have you got any troubles with it?