Friday, April 2, 2021

RE-IMAGING AN ORACLE DATABASE APPLIANCE (ODA)

ODA-X7-2-HA

Introduction:

This will provide an overview of tasks to re-image an ODA(ODA-X7-2-HA).
The decision to re-image an ODA should not be taken lightly as the process clean the operating system disks and destroys all data – including databases.  There are a few reasons why one may have a need to re-image an ODA (e.g. testing, version upgrades that span many releases, corruption etc.) but in this case, we need to move from OS and Database as describe below:
Oracle Enterprice Linux 6.8 to Oracle Enterprice 7.8 64-bit
Oracle Grid and Database 18.2. to 19.9.x
For this post, we will follow and mentioned steps of deploying a “Bare Metal” ODA (non-virtualized) on  ODA-X7-2H.

Prerequisites: 

For this install, we will deploy using ODA Software version 19.9 with Database 19cR2.

    1. Read the Release Notes

    2. Obtain Appliance software from https://support.oracle.com using your Customer Support Identifier (CSI #).

Re-image Procedure:

 To re-image the ODA, you’ll need to connect to the ILOM service to load the ODA with the new OS image.   In this post, I will layout the steps needed to re-image the ODA with brief instructions and screen captures to guide you.  To get started, you’ll need to connect to the ILOM service and launch a remote session from the ILOM interface.  The next figure shows the sign-on page from ILOM.  The default logon is “root” and the password is changeme

Summery:

1.    Clean existing ODA before start reimaging
2.    Download OS ISO Image from oracle support
3.    Mount ISO image on both nodes
4.    Reimage ILOM OS
5.    Configure Network on both nodes

1.  Clean existing ODA before start reimaging

Login ILOM from web browser with ILOM IP address

















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