DBA_TABLESPACE_USAGE_METRICS does not list all the expected tablespaces (Doc ID 2068817.1)

Last updated on JANUARY 06, 2017

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.1.0 and later
Information in this document applies to any platform.

Symptoms

The view DBA_TABLESPACE_USAGE_METRICS does not show all the expected tablespaces.  For example, 

returns the names of the tablespaces that exist in dba_data_files but which are not shown in dba_tablespace_usage_metrics.

Note that Enterprise Manager Cloud Control relies on the DBA_TABLESPACE_USAGE_METRICS view.  If tablespaces are missing from this view, then it will not be possible for Enterprise Manager to raise alerts via the Tablespace Space Full (%) metric.

Changes

 

Cause

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