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Home > Success Center > Database Performance Analyzer (DPA) > Tablespace Freespace alerts not triggering on Oracle Databases

Tablespace Freespace alerts not triggering on Oracle Databases

Created by Tiarnan Stacke, last modified by MindTouch on Jun 23, 2016

Views: 1,030 Votes: 0 Revisions: 3

Overview

The Tablespace Freespace Alerts are not triggering on the Oracle databases. When testing the Alert in the DPA Web Console, the following error displays:

No Online Non-Autoextensible Tablespaces Found

Environment

  • All Versions of DPA
  • Occurs with Monitored Oracle Databases

Cause 

This is because the Datafiles are configured on the Database to auto-extend. Even if just one Data File can auto-extend then the alert would incorrectly trigger. This is because the Tablespace would be approaching the Thresholds but it is not an issue as Oracle will simply grab more disk space to allocate to it.

 

DPA does not currently factor in what the Max File Size is and consider that in the calculation.

Resolution

Currently, the only workaround is to create a Custom Alert which factors the Max File Size into the calculation.

 

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