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



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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Raytheon Company

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