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Unable to Remove Shared Memory Segment with Status of dest (Doc ID 1319087.1)

Last updated on FEBRUARY 03, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.2 [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 Backup Service - Version N/A and later
Information in this document applies to any platform.Symptoms

Instance has been shutdown however the shared memory segment is not removed.

Changes

RDBMS instance shutdown failed to clean-up all active bequeath connections.

The status column for the problem shared memory segment has a flag status of 'dest'.
The flag "dest" in the status column means that SHM_DEST flag has been set for that memory segment.
Setting this flag allows the operating system to automatically clean up the shared memory segment when it is no longer used.

Cause

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In this Document
Symptoms
Changes
Cause
Solution

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