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AWR Snapshots Not Generating (Doc ID 308003.1)

Last updated on JUNE 29, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 10.1.0.4 [Release 10.1]
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

MMON process is not taking the AWR snapshots automatically. By default MMON process should gather statistics every hour, but we are seeing no snapshot in DBA_HIST_SNAPSHOT

Attemting to take a snapshot manually returns errors:

 

Changes

To recreate the AWR objects catnoawr.sql and catawr.sql scripts from $ORACLE_HOME/rdbms/admin have been run on the database.

Cause

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In this Document
Symptoms
Changes
Cause
Solution

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