EM on Oracle Fail Safe on Windows
Oracle Fail Safe is the oldest fail-over techniques … invented much much more before RAC. The matter of fact it was only solution before RAC come to stable phase. Because of easiness of implementation and stability in work, Oracle on Oracle Fail Safe on any OS environment was the biggest advantage for a long time. How ever, if you wanted to use EM (Enterprise Manager) on such a platform, until Grid came, you were helpless. So I’ll explain how to implement EM on OFS. Maybe you may ask why is this a topic, relatively easy answer is that EM is very sensitive in IP addresses change, what in OFS is more than normal case!
Keep in mind that such a configuration is not officially certified nor recommended) from Oracle, so use it on own risk.
To be able to perform next steps, some requirements must be obeyed.
All newer Windows and Linux versions are fully supported (in all CPU versions) and this example will be done on Windows 2008 R2 x64
Almost all version are supported from 9i to 11g, and this example will be on latest 11g R2 (220.127.116.11)
Oracle Fail Safe
I have successfully tested this examples on OFS 3.4.2 releases and this%2