[Linux-cluster] Cluster behavior

[Paras pradhan]

On Tue, Aug 18, 2009 at 8:51 AM, <Harri.Paivaniemi at tieto.com> wrote:
> Are you sure,
>
> that your qdisk-configuration is ok and it's working properly? Just based on maths, it seems that you have only 4 votes up in

How do I check if my qdisk config is working properly?

I can see qdiskd -Q running in the bg.

I can see

dev/disk/by-id/scsi-360060e8004770d000000770d000001a7-part1    0
Online, Quorum Disk

from clustat.



your cluster and it goes down if it loses one vote...
>
> So is cman_tool really showing exp.votes=7? And qdisk brings it's votes ok?
>

Yes it is showing 7.

> -hjp
>
> ________________________________________
> From: linux-cluster-bounces at redhat.com [linux-cluster-bounces at redhat.com] On Behalf Of Moralejo, Alfredo [alfredo.moralejo at roche.com]
> Sent: Tuesday, August 18, 2009 4:26 PM
> To: linux clustering
> Subject: RE: [Linux-cluster] Cluster behavior
>
> Could you send logs in messages file including the part where the cluster dissolved messages is logged?
>
> Regards,
>
> Alfredo
>
> -----Original Message-----
> From: linux-cluster-bounces at redhat.com [mailto:linux-cluster-bounces at redhat.com] On Behalf Of Paras pradhan
> Sent: Monday, August 17, 2009 11:59 PM
> To: linux clustering
> Subject: [Linux-cluster] Cluster behavior
>
> I have a 3 nodes cluster.
>
> Node A - Vote 1
>
> Node B - Vote 1
>
> Node C - Votes 2
>
> Qdisk - Votes 3
>
>
> Altogether the cluster has 7 votes. The required min quorum to run the
> cluster would be in this case 4. Now if I poweroff node 1, I can see
> Quorum Dissolved in the terminals of Node 2 and Node3 . This cluster
> has xen virtual machines.
>
> Whats wrong and how to do debug the problem?
>
> Thanks
> Paras.
>
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Paras.