DB Instance Restarted Automaticaly with Media Failure Error ( ORA-01114 )
(Doc ID 1545159.1)
Last updated on MAY 04, 2022
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.
Database Instance crashed with the following errors
ORA-63999: data file suffered media failure
ORA-01114: IO error writing block to file 36 (block # 2667902)
ORA-01110: data file 36: '+<DGNAME>/<DB_NAME>/datafile/gc.257.753999919'
You have the following checks:
a. dbv on datafiles did not give any block corruption
b. RMAN validate reported zero corrupted blocks
c. OS logs did not report any IO errors
d. ASM alert logs also shows good and diskgroups were mounted
e. Diskgroup check did not dismount the diskgroup
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