3.2 Monitoring the Oracle Real Application Clusters (Oracle RAC) Environment with Oracle Cluster Health Advisor
Oracle Cluster Health Advisor is automatically provisioned on each node by default when Oracle Grid Infrastructure is installed for Oracle Real Application Clusters (Oracle RAC) or Oracle RAC One Node database.
Oracle Cluster Health Advisor does not require any additional configuration. The credentials of OCHAD daemon user in the Grid Infrastructure Management Repository (GIMR), are securely and randomly generated and stored in the Oracle Grid Infrastructure Credential Store.
When Oracle Cluster Health Advisor detects an Oracle Real Application Clusters (Oracle RAC) or Oracle RAC One Node database instance as running, Oracle Cluster Health Advisor autonomously starts monitoring the cluster nodes. Use CHACTL while logged in as the Grid user to turn on monitoring of the database.
To monitor the Oracle Real Application Clusters (Oracle RAC) environment: