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Unable to Start Instance Due to ORA-600 [skgmhash] after a clean shutdown (Doc ID 779071.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.5 [Release 10.2]
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
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

This is an intermittent issue.
Shutting down in clean way an Oracle RDBMS instance, after You are not able to start the DB anymore due to an error like:



9644: shmget(-1488557452, 1048592384, 0640|IPC_CREAT|IPC_EXCL) Err#17 EEXIST
--> 17 File exists

Duplicate realms, when the user attempts to create two realms with the same name.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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