Transient Corruption in OVM Linux - Reread finds a valid block version
(Doc ID 1900359.1)
Last updated on FEBRUARY 02, 2022
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 11.1 to 12.1]
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 Cloud Exadata Service - Version N/A and later
Transient block corruption in Linux Oracle Virtual Machine (OVM) where a reread finds a VALID block.
Example for a RMAN backup of an archived log file showing a misplaced block corruption (block 4096 is read but OS returns block 392):
Note that the transient corruption is not limited to misplaced blocks and may be related to checksum errors, etc.
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