[Linux-cluster] How to avoid two-nodes cluster split-brain withoutshared storage

[Mockey Chen]

ext Jeff Sturm wrote:
> We faced the same question, and decided that for reliability, it was
> best to add an inexpensive third node to a cluster.
>
> The third node need not run any cluster services (rgmanager, GFS, CLVM
> etc.) other than fencing.  This is a far lower cost than adding shared
> storage simply for a quorum disk.
>
>   
We can figure this solution is a reasonable way.
But due to the physical deployment of hardware, it is not a easy
way to persuade customer and myself to add a new server but not
 run any service. it is very odd.

>> -----Original Message-----
>> From: linux-cluster-bounces at redhat.com 
>> [mailto:linux-cluster-bounces at redhat.com] On Behalf Of Mockey Chen
>> Sent: Friday, February 06, 2009 3:18 AM
>> To: linux clustering
>> Subject: [Linux-cluster] How to avoid two-nodes cluster 
>> split-brain withoutshared storage
>>
>> Hi,
>>
>> I have a two node cluster, due to design limitation, there is 
>> no shared storage exist. So I can not use quorum disk.
>>
>> Is there any other reliable way to prevent split-brain?
>> I searched google, but I can not found any solution suitable 
>> for my situation.
>>
>> Any comment is appreciated.
>>
>>
>> Best Regards.
>> Chen Ming
>>
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