linux:cluster [Starlab knowledge base]

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====== Cluster.conf ======
<code xml>
<?xml version="1.0"?>
<cluster name="starlab_cluster" config_version="185">
   <quorumd interval="1" label="QourumDisk">
      <heuristic interval="5" program="/bin/ping -c2 10.0.0.101" tko="30">
      </heuristic>
   </quorumd>
  <fencedevices>
    <fencedevice name="man-fence" agent="fence_manual"/>
    <fencedevice agent="fence_ipmilan" ipaddr="10.0.255.2" login="Mngmt" name="ipminode1" passwd="Born2runILO" delay="5"/>
    <fencedevice agent="fence_ipmilan" ipaddr="10.0.255.14" login="Mngmt" name="ipminode3" passwd="Born2runILO" lanplus="True" delay="5"/>
    <fencedevice agent="fence_ipmilan" ipaddr="10.0.255.13" login="Mngmt" name="ipminode2" passwd="Born2runILO" delay="5"/>
    
  <fencedevice name="ac_node" agent="fence_netio_230A" ipaddr="10.0.0.25" login="user" passwd="aaabbb" delay="2"/></fencedevices>
  <clusternodes>
  <clusternode name="10.0.0.23" votes="1" nodeid="1">
    <fence>
      <method name="ipmi">
        <device name="ipminode1"/>
      </method>
      <method name="netio">
        <device name="ac_node" port="3"/>
      </method>
    </fence>
  </clusternode>
  <clusternode name="10.0.0.120" votes="1" nodeid="2">
    <fence>
      <method name="ipmi">
        <device name="ipminode2"/>
      </method>
      <method name="netio">
        <device name="ac_node" port="2"/>
      </method>
    </fence>
  </clusternode>
  <clusternode name="10.0.0.130" votes="1" nodeid="3">
    <fence>
      <method name="ipmi">
        <device name="ipminode3"/>
      </method>
      <method name="netio">
        <device name="ac_node" port="1"/>
      </method>
    </fence>
  </clusternode>

  </clusternodes>
  <rm>
    <failoverdomains/>
    <resources/>
  </rm>
</cluster>
</code>
====== start_cluster.sh ======
<code bash>
#!/bin/bash

report_err(){
        echo "$1"
}

echo "Starting cluster services..."
echo "Starting cman"
#cman_tool -wt10 join || report_err 'unable to join cluster'
service cman start || report_err 'unable to join cluster'
sleep 10

echo "Starting clvm"
service clvm start || report_err 'unable to start clvm'

sleep 5

echo "Starting gfs2"
service gfs2-cluster restart
service gfs2 start || report_err 'unable to start gfs2'
mount /dev/shared_vg/configurations /shared || report_err 'unable to mount /shared'

echo "Cluster succesfully started!"
</code>
====== stop_cluster.sh ======
<code bash>
#!/bin/bash

report_err(){
        echo "$1"
}


echo "Stopping cluster..."
service rgmanager stop || report_err 'rgmanager stopping failed'
echo "rgmanager stopped!"
service gfs2 stop || report_err 'gfs2 stopping failed'
echo "gfs2 stopped!"
sleep 2
service clvm stop || report_err 'clvm stopping failed'
echo "CLVM stopped!"
sleep 5
killall fenced

cman_tool -wt10 leave remove || report_err 'leaving cluster failed'
service cman stop leave || report_err 'cman stopping failed'
</code>
linux/cluster.txt · Last modified: 2015/12/07 16:16 by vondra