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ORA-1578 Fractured block found in SYS_IOT_TOP_8807 (Doc ID 560499.1)

Last updated on NOVEMBER 15, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 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.


Alert.log shows:

Corrupted block found:

Fractured block found during buffer read
Reread of rdba: 0x00c0b91e (file 3, block 47390) found same corrupted data


ORA-1578 encountered when generating server alert SMG-3503

Query on dba_extents shows that affected segment is:

analyze index SYS.SYS_IOT_TOP_8807 validate structure
ORA-01578: ORACLE data block corrupted (file # 3, block # 47390)
ORA-01110: data file 3: 'K:\ORACLE\FNCE\DBS\FNCE_SYSAUX01.DBF'

select table_name FROM dba_indexes WHERE index_name = 'SYS_IOT_TOP_8807';



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