PRIMECLUSTER Wizard for Oracle Configuration and Administration Guide 4.2 - Linux for Itanium -

A.2.2 AutoRecover or Failover

A userApplication AutoRecover or failover or degeneration occurred because of Oracle listener resource failure.

[Case 1] (Standby, Oracle RAC Scalable)

A userApplication failover or degeneration occurs when the PRIMECLUSTER RMS resource settings (especially TNSName) are invalid.
Check the following resource setup information by executing the "clorainfo -c" command. Refer to "4.6 clorainfo - Display Resource Configuration and Monitoring Status".

• Oracle user name
• Listener name
• TNSName (net service name)

If your setup information is incorrect, set proper values again. Refer to "Chapter 2 Environment Setup".

[Case 2] (Standby, Oracle RAC Scalable)

It occurs that the net service setting of tnsnames.ora file is incorrect.

Check the setting of tnsnames.ora file.