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Metadata Corruption Preventing Drop of Disk From Diskgroup (Doc ID 1457831.1)

Last updated on DECEMBER 24, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.2]
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 Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


When attempting to drop a disk from a diskgroup it moves to dropping and stays in that state permanently.,
the following error occurs.

ORA-15196: invalid ASM block header [kfc.c:23908] [obj_kfbl] [1] [2560] [3 != 1]

The issue has the following business impact:
Due to this issue, users cannot free disk for other use.


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