Re: [Linux-cluster] CLVMD hangs on 2nd node startup and hangs all gfs nodes.

[Gary Romo <garromo us ibm com>]

Had you seen this?

https://bugzilla.redhat.com/show_bug.cgi?id=435491

Gary

Tracey Flanders <mcse47 hotmail com>
Sent by: linux-cluster-bounces redhat com

04/25/2008 10:34 AM

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Subject	[Linux-cluster] CLVMD hangs on 2nd node startup and hangs all gfs        nodes.

I've been trying to setup a 3 server cluster
with GFS mounted over iSCSI on Qemu Virtual Machines. A 4th server acts
as a iSCSI Target. I found and article that explains my issue, but I can't
seem to figure out what the solution is. QUOTED from : http://kbase.redhat.com/faq/FAQ_51_10923.shtm
After successfully setting up a cluster, cman_tool shows the cluster is
healthy. Mounting the gfs mount on the first node works successfully. However,
when mounting gfs on the second node, the mount command hangs. Writing
to a file on the first node also hangs. On the second node, the following
error is seen in /var/log/messages: Jul 18 14:49:27 blade3 kernel: Lock_Harness
2.6.9-72.2 (built Apr 24 2007 12:45:55) installed Jul 18 14:49:27 blade3
kernel: GFS 2.6.9-72.2 (built Apr 24 2007 12:46:12) installed Jul 18 14:52:53
blade3 kernel: GFS: Trying to join cluster "lock_dlm", "vcomcluster:testgfs"
Jul 18 14:52:53 blade3 kernel: Lock_DLM (built Apr 24 2007 12:45:57) installed
Jul 18 14:52:53 blade3 kernel: dlm: connect from non cluster node Jul 18
14:52:53 blade3 kernel: dlm: connect from non cluster node END QUOTE My
Virtual Machines only have one interface so I still can't figure out why
this is happening. I can successfully mount the GFS partition on any one
node but as soon as I try to start the clvmd on a 2nd node it hangs the
whole cluster. I'm wondering if its a Qemu VM network issue? Each host
can ping each other by name and ip. The cluster works fine but I cant get
GFS to work on th VMs. Is it possible to debug the clvmd to see what IP
Address it is sending? Thanks, Tracey Flanders

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