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Re: [Linux-cluster] cman not looking at all valid interfaces

You might want to check your cman version.
This is a known bug in an earlier version and has been fixed.

Among others:
(fixed in 2.0.115)

2008-01-21 22:00:00
Chris Feist <cfeist redhat com> - 2.0.79-1: 
- ccs lookup functions now recognize alternative hostnames better

Also of interest:
2009-10-06 22:00:00
Christine Caulfield <ccaulfie redhat com> - 2.0.115-8:
- fence: Allow IP addresses as node names

-----Original Message-----
From: linux-cluster-bounces redhat com
[mailto:linux-cluster-bounces redhat com] On Behalf Of Simmons, Dan A
Sent: vrijdag 7 mei 2010 2:07
To: 'linux-cluster redhat com'
Subject: [Linux-cluster] cman not looking at all valid interfaces

cman appears to not scan for interfaces correctly on my RHEL 5.3 64bit
cluster.  When I change /etc/hosts and /etc/cluster/cluster.conf to use
names "mynode1" and "mynode2" cman boots up correctly and I get a good

If I change my configuration to use the interfaces named "mynode1-clu" and
"mynode2-clu" which are defined in /etc/hosts I get an error:

Cman not started: Can't find local node name in cluster.conf
/usr/sbin/cman_tool: aisexec daemon didn't start

However, if I do `hostname mynode1-clu` on the first node and `hostname
mynode2-clu` on the second node and then restart cman I get a good cluster.
I think this proves that my -clu interfaces are valid and properly defined
in /etc/cluster/cluster.conf.  

This node was created from a disk clone of another cluster.  Are there any
cluster files that would retain system name or interface information?  I
have triple checked my /etc/hosts, /etc/sysconfig/network
/etc/sysconfig/network-scripts/*eth* , /etc/nsswitch.conf,
/etc/cluster/cluster.conf and dns files.

Any suggestions would be appreciated.

J.Dan Simmons

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