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What To Do and Not To Do When 'shutdown immediate' Hangs or What to do before shutdown database to avoid tx recovery (Doc ID 375935.1)

Last updated on FEBRUARY 14, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 11.2.0.2 [Release 11.2]
Oracle Database - Enterprise Edition - Version 8.1.7.0 to 11.1.0.7 [Release 8.1.7 to 11.1]
Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
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Goal

What to do when shutdown immediate appears to hang:
Sometimes, the message 'Waiting for smon to disable tx recovery' is posted in the alert log.
This note only addresses situations when the apparent hang occurs when the database is going from OPEN to DISMOUNT, which is actually the most common situation.
If the apparent hang occurs at a different step, then this note does not apply.

Solution

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In this Document
Goal
Solution
References

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