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



/dev/mapper/friendly-name,  Label,  /dev/disk/by*, or  symlink  created by custom  udev rule

-paul

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On Jul 13, 2010 6:55 PM, "Bennie Thomas" <Bennie_R_Thomas raytheon com> wrote:
> 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 arlut utexas edu>
>>>>
>>>> On 06/28/2010 05:22 PM, linux-cluster-request redhat com wrote:
>>>>
>>>>> From: Bennie Thomas<Bennie_R_Thomas raytheon com>
>>>>> Subject: [Linux-cluster] RedHat RHEL 5U4 NFS Cluster nodes randomly
>>>>> reboot
>>>>> Message-ID:<4C290BE0 3090707 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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>>>> https://www.redhat.com/mailman/listinfo/linux-cluster
>>>>
>>>
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>>>
>>>
>>
>
> --
> Bennie Thomas
> Sr. Information Systems Technologist II
> Raytheon Company
>
> 972.205.4126
> 972.205.6363 fax
> 888.347.1660 pager
> Bennie_R_Thomas raytheon com
>
>
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