Alert Log Shows Corrupt Blocks or 1410 in alert log in 12.2
(Doc ID 2310754.1)
Last updated on JANUARY 22, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 12.2.0.1 to 12.2.0.1 [Release 12.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Database Upgraded recently to 12.2
Alert log shows
Corrupt block relative dba: 0x00c02ecc (file 2, block 110780)
Bad header found during buffer read (logical check)
Data in bad block:
Bad header found during buffer read (logical check)
Data in bad block:
Trace file generated shows ORA-1410
kcbzib: encounter logical error ORA-1410, try re-reading from other mirror..
cursor valid? 1 makecr 0 line 17955 ds_blk (2, 110780) bh_blk (2, 110780)
cursor valid? 1 makecr 0 line 17955 ds_blk (2, 110780) bh_blk (2, 110780)
Rman backup validate check logical reports no Corruption.
Dbverify comes out clean on that block.
Analyze table <owner>.<table name> validate structure online comes out clean.
In Most case Object in XDB schema are reporting these false error.
Changes
Database upgraded to 12.2
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |