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Force DISMOUNT DISKGROUP Initiated ASMB Termination in Exadata (Doc ID 2356030.1)

Last updated on FEBRUARY 26, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Oracle Exadata Storage Server Software - Version 18.1.0.0.0 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.

Symptoms

Force DISMOUNT DISKGROUP initiated ASMB termination.

Excerpt from alert log

--

ASMB: Instance termination initiated proactively due to inprogress Diskgroup force dismount

 

Changes

ASM instance is force dismounting a Diskgroup which include redo logs.

SQL> alter diskgroup FRA dismount force;

Cause

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