[Linux-cluster] RedHat RHEL 5U4 NFS Cluster nodes randomly reboot

[Bennie Thomas]

I think I may have found my problem. However, I am not sure how to fix it.

I noticed that node one shows the quorum disk to be /dev/dm-2 and node 2 
shows the quorum disk to be /dev/dm-3

How can I change these ?


Bennie Thomas wrote:
> Hello Steve,
>
> I have the cluster traffic going over a private interface. I know have 
> the nodes connected point-to-point.
> I have thought about the network traffic, However, with a dedicated 
> interface, I should not have this problem.
>
> I have built, numerous Clusters from different vendors. This 
> particular cluster is an active/passive. I have noticed
> that the passive node in the cluster is the one that reboots the most.
>
> Thanks for any/all input....
>
>
>
> Steven Whitehouse wrote:
>> Hi,
>>
>> On Wed, 2010-06-30 at 09:22 -0500, Randy Zagar wrote:
>>  
>>> Yes.  My experience is that you can't currently nfs-export *any* GFS 
>>> or GFS2 filesystems.
>>>
>>>     
>> You can, but there are only a fairly small number of configurations
>> which will actually work from the larger number of possible
>> configurations. We do hope to expand that a bit in the future, but for
>> the time being its best to stick to a active/passive failover export
>> which is not mixed with any other protocol (Samba) or any local
>> applications.
>>
>>  
>>> Exporting EXT3/EXT4 filesystems, however, doesn't appear to be a 
>>> problem.
>>>
>>> -Randy Zagar <zagar at arlut.utexas.edu>
>>>
>>> On 06/28/2010 05:22 PM, linux-cluster-request at redhat.com wrote:
>>>    
>>>> From: Bennie Thomas<Bennie_R_Thomas at raytheon.com>
>>>> Subject: [Linux-cluster] RedHat RHEL 5U4 NFS Cluster nodes randomly
>>>>     reboot
>>>> Message-ID:<4C290BE0.3090707 at raytheon.com>
>>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>>>
>>>> I currently have 2 DL380 G6 with and HP MSA2312 disk array. Running
>>>> Redhat 5u4 64bit.  I have a quorum disk.  I use the Cluster as an
>>>> Active/passive NFS Cluster
>>>> The problem I am having is one or both of the nodes will randomly
>>>> reboot. Has anyone experienced this problem
>>>>
>>>>       
>> Is the node being fenced? This might be down to excessive network
>> traffic blocking the cluster traffic and making it appear as if the node
>> is down when it isn't, or something similar to that. Do you get any log
>> messages?
>>
>> Steve.
>>
>>  
>>>>          
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>>> Linux-cluster at redhat.com
>>> https://www.redhat.com/mailman/listinfo/linux-cluster
>>>     
>>
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>> Linux-cluster at redhat.com
>> https://www.redhat.com/mailman/listinfo/linux-cluster
>>
>>   
>

-- 
Bennie Thomas
Sr. Information Systems Technologist II
Raytheon Company

972.205.4126
972.205.6363 fax
888.347.1660 pager
Bennie_R_Thomas at raytheon.com


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