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[Linux-cluster] multicast howto



Hi,

I am trying to setup gfs on a cluster that spans over two subnets. dream is a 
node with to interefaces, one on each subnet. I thought the below setup 
should work (taken from http://gfs.wikidev.net/Installation ). But it does 
not. Can anybody tell me what is wrong with that?

cheers,

wolfgang

<?xml version="1.0" ?>
<cluster config_version="2" name="alpha_cluster">
	<fence_daemon post_fail_delay="0" post_join_delay="3"/>
	<clusternodes>
		<clusternode name="dream" votes="1">
			<altname name"dream-e1">
			<multicast addr="224.0.0.1" interface="eth0"/>
			<multicast addr="224.0.0.9" interface="eth1"/>
			<fence>
				<method name="1">
					<device name="human" nodename="dream"/>
				</method>
			</fence>
		</clusternode>
		<clusternode name="neo" votes="1">
			<multicast addr="224.0.0.1" interface="eth0"/>
			<fence>
				<method name="1">
					<device name="human" nodename="neo"/>
				</method>
			</fence>
		</clusternode>
		<clusternode name="node1" votes="1">
			<multicast addr="224.0.0.9" interface="eth0"/>
			<fence>
				<method name="1">
					<device name="human" nodename="node1"/>
				</method>
			</fence>
		</clusternode>
	</clusternodes>
	<cman expected_votes="1" two_node="1">
		<multicast addr="224.0.0.1"/>
		<multicast addr="224.0.0.9"/>
	</cman>
	<fencedevices>
		<fencedevice agent="fence_manual" name="human"/>
	</fencedevices>
	<rm>
		<failoverdomains/>
		<resources/>
	</rm>
</cluster>


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