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Note

When setting up a 2 node CMAN cluster, you need to specify some parameters on cluster.conf file to allow the cluster to bring online the hosts. Edit cluster.conf and change the following tag:

Code Block
<cman/>

to:

Code Block
<cman two_node="1" expected_votes="1"/>
Note

If you have problems with hosts disconnecting from cluster, you may need to force cluster communication over unicast instead of multicast:

Code Block
<cman transport="udpu"/>

At this point, you need to copy the /etc/cluster/cluster.conf file over to every node that will form up your cluster.

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