[Linux-cluster] Min Quorum

Paras pradhan pradhanparas at gmail.com
Thu Aug 13 15:42:40 UTC 2009


On Thu, Aug 13, 2009 at 10:37 AM, Christine
Caulfield<ccaulfie at redhat.com> wrote:
> On 13/08/09 16:30, Paras pradhan wrote:
>>
>> I have a three nodes cluster with Total Cluster Votes: 3 and Minimum
>> Required Quorum: 2
>>
>> Can I change Minimum Required Quorum  to 1?
>>
>
> You can change it what whatever you like, but if you change it to something
> too low (ie anything less that cman decides for you) you run the risk of
> split brain and potential data corruption.
>
> If you want the cluster to keep running with two nodes missing then you
> ought to look into qdiskd. The man page is very detailed :-)

I have a quorum partition running with 2 votes. But when 2 of my nodes
failed, Quorum is dissolved.

I have 3 nodes + 2 votes to quorum parition. So altogether the total
votes should be 5 (?). I can see total votes to be only 3 .


Paras.


>
> Chrissie
>
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