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

[Gary Romo]

Had you seen this?

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

Gary




Tracey Flanders <mcse47 at hotmail.com> 
Sent by: linux-cluster-bounces at redhat.com
04/25/2008 10:34 AM
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[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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