[Linux-cluster] Basic two node cman configuration
Sridharan Ramaswamy (srramasw)
srramasw at cisco.com
Mon Jan 22 21:19:34 UTC 2007
I'm trying to understand the basics of ccs/cman layer for a two-node
configuration. I understand, from the docs, this is a special condition
that need cman started with two_node="1" and expected_votes="1". But I
still have problem starting cman. It complains the votes = -1 and fails
to start.
Jan 22 12:35:50 cfs1 cman: cman_tool: the two-node option requires
exactly two nodes with one vote each and expected votes of 1 (votes=-1)
failed
But if remove two_node setting from <cman two_node="1"
expected_votes="1"> to <cman> it actually starts fine!! Not sure where
it is getting votes = -1.
Is this some silly mistake on my part or a known issue?
TIA,
Sridharan
$ more /etc/cluster/cluster.conf
<?xml version="1.0"?>
<cluster name="testgfs" config_version="1">
<cman two_node="1" expected_votes="1">
</cman>
<clusternodes>
<clusternode name="cfs1">
<fence>
<method name="single">
<device name="human" nodename="cfs1"/>
</method>
</fence>
</clusternode>
<clusternode name="cfs5">
<fence>
<method name="single">
<device name="human" nodename="cfs5"/>
</method>
</fence>
</clusternode>
</clusternodes>
<fencedevices>
<fencedevice name="gnbd" agent="fence_gnbd" servers="cfs1"/>
<fencedevice name="human" agent="fence_manual"/>
</fencedevices>
</cluster>
Command
-----------
$ service ccsd start
Starting ccsd: [ OK ]
$ service cman start
Starting cman: [FAILED]
Versions
---------
$ ccsd -V
ccsd DEVEL.1166467095 (built Dec 18 2006 10:39:27)
Copyright (C) Red Hat, Inc. 2004 All rights reserved.
$ cman_tool version
5.0.1 config 1
$ uname -a
Linux cfs1 2.6.9-42.7.ELsmp #1 SMP Tue Sep 5 18:29:39 EDT 2006 i686 i686
i386 GNU/Linux
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