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

Last updated on FEBRUARY 08, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Information in this document applies to any platform.

Symptoms

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:
SYS_IOT_TOP_8807


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';

TABLE_NAME
------------------------------
AQ$_ALERT_QT_H



Cause

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