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Physical and Logical Block Corruptions. All you wanted to know about it. (Doc ID 840978.1)

Last updated on AUGUST 29, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


Oracle classifies the Data File Block corruptions as Physical and Logical.  This is also referred as intra block corruptions.  This document is intended to provide detailed information and errors example about it.


This document is intended for Database Administrators.


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In this Document
 Physical Block Corruptions
 Fractured Block
 Bad Checksum
 Block Misplaced
 Logical Block Corruptions

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