INS-20802 Oracle Cluster Verification utility failed

Symptom:

After the Grid is installed to the last step, the root script on both sides is also executed, and the INS-20802 error is reported. From the error symptom, no problem is found and a prompt is displayed to view the. log file.

Log File Content:

INFO: Checking Single Client Access Name (SCAN )...

INFO: Checking name resolution setup for "SCAN "...

INFO: ERROR:

INFO: PRVF-4664: Found inconsistent name resolution entries for SCAN name "SCAN"

INFO: ERROR:

INFO: PRVF-4657: Name resolution setup check for "SCAN" (IP address: 172.16.9.150) failed

INFO: ERROR:

INFO: PRVF-4664: Found inconsistent name resolution entries for SCAN name "SCAN"

INFO: Verification of scan vip and Listener setup failed

Problem Analysis:

Based on Metalink [ID 887471], the following conclusions are drawn:

Because/etc/hosts is configured for SCAN resolution, the SCAN is not performed by DNS. If this error occurs, ignore it, you can also delete the SCAN resolution section in the/etc/hosts file and verify DNS resolution through nslookup again.