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11.2: CTWR Terminates Standby Instance With Error 487 After ORA-00600 [krcccb_busy] (Doc ID 2942300.1)

Last updated on APRIL 28, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


In RAC ADG environment with BCT enabled for backup job, standby database instance crashed with ORA-00600 [krcccb_busy] which appears after message
'MRP has not responded for more than 30 seconds. Possible that primary not shipping logs, check log_archive_dest_state params on primary.'
Alert log:



The system has 40 interim patches applied including as the patch level, and within those interim patches following were most recently applied:

Patch 16445929 : applied on Sat Dec 24 03:55:11 CST 2022          <<< Redo apply may hang if MRP timeout happen in CTWR

Patch 34822065 : applied on Sat Dec 24 03:54:57 CST 2022          <<< Merge for 30295761 34647720


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