On Fri, Jan 23, 2009 at 09:09, Hell, Robert <[email protected]> wrote:
> Hi,
>
> I'm wondering that quorum server doesn't work, because Alan Robertson 
> mentioned it in his LinuxWorld 08 talk. Can someone proof that it isn't 
> working?

I think Lars has done this in the past.

> Third node solution: I wouldn't be able to use the third machine for more 
> than one two-node cluster, right?

correct

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Michael 
> Schwartzkopff
> Sent: Donnerstag, 22. Jänner 2009 13:18
> To: General Linux-HA mailing list
> Subject: Re: [Linux-HA] Two-node clusters in split-sites
>
> Am Donnerstag, 22. Januar 2009 12:32:57 schrieb Hell, Robert:
>> Hi,
>>
>>
>>
>> we are planning to run multiple two-node clusters (with different
>> functions: database cluster, samba cluster, ...) in two different sites
>> with a fast, but unreliable network connections. All cluster nodes
>> replicate data with drbd.
>>
>> I'm specially afraid of split-brain in this scenario because reliable
>> fencing is not possible in this split-site situation.
>>
>>
>>
>> After investigating multiple cluster solutions I think Linux-HA is the
>> only project which provides a solution for our problem. We want to use
>> Linux-HA with one cluster node in each site and an external quorum
>> server (as described in the Heartbeat tutorial) without fencing.
>>
>> Has anyone experiences with a solution like this and is this a solutions
>> which should work, is "supported" and is worth further investigations?
>> And last but not least: is it possible to run one quorum server for
>> multiple clusters (as mentioned before we have multiple two-node
>> clusters, but I only want to run one quorum server).
>>
>>
>>
>> Many thanks and kind regards,
>>
>> Robert
>
> Hi,
>
> as far as I know the quorum server does not work. You would have to build a
> third node and constraints to prevent resources running on that node.
>
> I would put the third node into a third location.
>
> Comments?
>
> Michael.
>
> --
> Dr. Michael Schwartzkopff
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