Troubleshooting ORA-494 Errors
(Doc ID 1915481.1)
Last updated on JANUARY 03, 2020
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
This note aims to explain how to troubleshoot the error ORA-494 which would probably cause an instance crash.
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In this Document
|Why was this error reported?|
|How to know what was the blocking process waiting for?|
|Could killing the blocker be avoided?|