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cluster3 minimal setup and usage
cluster configuration
---------------------
Create /etc/cluster/cluster.conf and copy it to all nodes.
Below is a minimal cluster.conf file using manual fencing. The node names
should resolve to the address on the network interface you want to use for
cluster communication.
<?xml version="1.0"?>
<cluster name="alpha" config_version="1">
<clusternodes>
<clusternode name="node-01" nodeid="1"/>
<clusternode name="node-02" nodeid="2"/>
<clusternode name="node-03" nodeid="3"/>
</clusternodes>
</cluster>
cluster start
-------------
Use the init script on all nodes:
> service cman start
Or, minimal manual steps:
> modprobe configfs
> modprobe dlm
> mount -t configfs none /sys/kernel/config
> cman_tool join
> fenced
> dlm_controld
> fence_tool join
using clvm
----------
Use the init script on all nodes:
> service clvmd start
Or, manually:
> clvmd
> vgscan
> vgchange -aly
using rgmanager
---------------
Use the init script on all nodes:
> service rgmanager start
Or, manually:
> rgmanager
Create services/resources to be managed in cluster.conf.
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