ORA-600[kffmUnlock_3] POSSIBLE WHEN DATABASE INSTANCE 10GR2 AND ASM 11G
(Doc ID 756696.1)
Last updated on FEBRUARY 19, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.3 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 problem can occur on any platform.
ASM and database instances are using different versions. Database instance runs in a 10gR2 version whereas ASM instance on 11g version. ASM instance is shutdowned when there is a rebalance runing and not finished yet.
The following rebalances causes the database instance to get ORA-600[kffmUnlock_3] exception due to an interoperability issue between 10gR2 database and 11g ASM versions.
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