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Resolving ORA-01578 at the Object Level (Doc ID 2769960.1)

Last updated on APRIL 23, 2021

Applies to:

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
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.


This note is intended to describe how to fix corruption at the object level.


This is to be used only when recovery using a backup or a standby database is not an option.

Otherwise, RMAN Block Media Recovery can be used to repair the corruption. Refer to Doc ID 1578.1 OERR: ORA-1578 "ORACLE data block corrupted (file # %s, block # %s)" Master Note 

For ORA-01578/ORA-26040 corrupt blocks by NOLOGGING use Doc id 794505.1 ORA-1578 / ORA-26040 Corrupt blocks by NOLOGGING - Error explanation and solution


This document is intended for customers and Oracle support.


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In this Document
 Identify the affected segment
 Is it a FREE Block?
 Is it an INDEX?
 Is it a TABLE?
 Is it a LOB?
 Is it an UNDO segment?

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