EM 12c: False Tablespace Space Used (%) Metric Alert is Received from Enterprise Manager 12c Cloud Control Every Day after the Database Blackout Ends
(Doc ID 2020997.1)
Last updated on MARCH 12, 2021
Applies to:Enterprise Manager for Oracle Database - Version 22.214.171.124.0 to 126.96.36.199.0 [Release 12.1]
Information in this document applies to any platform.
A false Tablespace Space Used (%) metric alert is received every day after the database blackout ends.
Target type=Database Instance
Target name=<INSTANCE NAME>
Message=Tablespace TOOLS is 85 percent full
Event Type=Metric Alert
Metric Group=Tablespaces Full
Metric=Tablespace Space Used (%)
However the tablespace is not full, nor has it been during the duration of the blackout. There is no alert in dba_outstanding_alerts, and selecting from dba_alert_history shows that there has been no genuine alert for the period while the database was blacked out.
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