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RE: [Linux-cluster] Node will not join cluster.



By U5, do you mean Redhat Enterprise 5.0?

-----Original Message-----
From: linux-cluster-bounces redhat com
[mailto:linux-cluster-bounces redhat com] On Behalf Of Danny Wall
Sent: Friday, September 21, 2007 1:17 PM
To: linux-cluster redhat com
Subject: [Linux-cluster] Node will not join cluster.

I have a two node cluster on RHEL4. It was all Update 4, but Red Hat
suggested I update the problem node to U5, so now it is mixed.

The problem:
We had a SAN issue last week that took 3 of the 15 LUNs offline. The SAN
problem was been fixed, so I tried to rescan the LUNs, and still could
not see the LUNs. I restarted one node, and ever since then, it would
fail when trying to join the cluster. I disabled the cluster services at
boot, and try them manually. Every time I get to CLVMD, it hangs
forever. Sometimes I can CTRL-C to break out, sometimes no. There are no
relevant messages in /var/log/messages. I have worked with Red Hat and
the last thing they suggested was to upgrade the node to U5. I did
Tuesday, and it still hangs. I am afraid to take down the other node,
because if it does the same thing, I am going to have major problems.

I have also noticed that running lvdisplay, vgdisplay and pvdisplay
hang. I am sure it is related. I know dlm and module is loaded.

lock_dlm               47220  0
lock_harness            7216  2 gfs,lock_dlm
dlm                   134404  3 lock_dlm
cman                  139552  11 gfs,lock_dlm,dlm


Any thoughts?

Danny


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