[Pacemaker] Fixed! - Re: Problem with dual-PDU fencing node with redundant PSUs

Digimer lists at alteeve.ca
Tue Jul 2 10:55:25 EDT 2013


On 07/02/2013 04:14 AM, Dejan Muhamedagic wrote:
> On Mon, Jul 01, 2013 at 12:18:23PM -0400, Digimer wrote:
>> On 07/01/2013 08:19 AM, Vladislav Bogdanov wrote:
>>>> Well its possible right now, it "just" not super pretty to configure.
>>> I already set "Important" IMAP flag on that message and really willing
>>> to copy that into my internal wiki ;)
>>
>> This might be of use (note that I wrote it, not Andrew, so blame me for
>> mistakes/typos).
>>
>> http://clusterlabs.org/wiki/Fencing_topology
> 
> This is really very complex. Do you expect that somebody would
> get that right? Doesn't fencing, as the ultimate mean to retain
> sanity in the cluster, qualify for the keep it simple principle?
> 
> Cheers,
> 
> Dejan

With proper documentation, yes, they should be able to get it right. Can
it be simpler? Sure! I am certain that, if enough people use dual-PDU
fencing, Andrew will decide it is worth the effort to simplify the
pacemaker configuration. Until then, this works.

-- 
Digimer
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What if the cure for cancer is trapped in the mind of a person without
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