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Oracle WebLogic Server 12c Advanced Administration Cookbook by Dalton Iwazaki

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Configuring HA WebLogic cluster parameters

This recipe will cover other WebLogic cluster adjustments needed for high availability in production. The parameters are Failure Action, Panic Action, Cluster Address, and Number of Servers in Cluster Address for the cluster, and CrashRecoveryEnabled for Node Manager.

Getting ready

To change the Node Manager CrashRecoveryEnabled parameter, edit the configuration $WL_HOME/common/nodemanager/nodemanager.properties file in all machines.

The cluster parameters are changed using the Administration Console or WLST.

How to do it...

To change the Node Manager's parameter:

  1. Log in as a wls user to shell and shutdown Node Manager:
    [wls@prod01]$ ps aux | grep weblogic.NodeManager | grep -v grep | awk '{print $2}'
    <PID> ...

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