How to Regenerate a databasemachine.xml File for EM 12c or 13c Discovery of Exadata or SuperCluster
Last updated on MARCH 28, 2017
Applies to:Enterprise Manager for Exadata - Version 220.127.116.11.0 to 18.104.22.168.0 [Release 12.1 to 13.2]
Information in this document applies to any platform.
The databasemachine.xml file is key to performing a successful discovery in Enterprise Manager 12c or 13c Cloud Control.
This is the file that shows the accurate physical representation in the schematic diagram as shown here in 13c Cloud Control for an Exadata rack:
If the hardware is changed, the databasemachine.xml file needs to be updated to reflect the new environment.
- A half rack is expanded to a full rack
- An expansion rack of cell servers is added to an existing rack
- Two or more racks are connected via Infiniband - aka, multiracked
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