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How do PRTG sensors connect to Oracle databases?

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I try to monitor an Oracle RAC database server and cannot achieve this. Which mode does PRTG use to connect to these devices? Are there limitations for monitoring?

connection oracle oracle-sql-sensor prtg rac real-application-cluster

Created on May 28, 2013 2:10:12 PM by  Gerald Schoch [Paessler Support]



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Important note: The information in the article below is outdated. It is shown for reference purposes only. Please use the Oracle SQL v2 sensor to monitor databases on your Oracle server.


This article applies to PRTG Network Monitor 13 through 15

PRTG Sensors and Connections to Oracle Database Servers

In order to connect to Oracle database servers, PRTG uses the Direct Mode for Oracle sensors. This mode grants considerable advantages in comparison to OCI (Oracle Call Interface). PRTG uses Oracle Net for direct TCP/IP communication. Thus, you do not need to install and administrate Oracle client software. Furthermore, system requirements are reduced.

On the other hand, this mode has some limitations. Compatibility with all Oracle servers and in every network in direct mode cannot be guaranteed, some platforms may cause incompatibility issues, NLS conversion on client side and Transparent Application Failover are not supported, and some additional features are not available. For details, please refer to the following article:

Note: PRTG is only able to monitor against a single instance, but not against a clustered service, because direct mode does not support Oracle RAC (Real Application Clusters).

Created on May 28, 2013 2:13:19 PM by  Gerald Schoch [Paessler Support]

Last change on Sep 30, 2016 2:28:49 PM by  Gerald Schoch [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.