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OBIEE 12c migration. Is it possible to reuse existing domains?
Hello everyone,
having waited quite a long time before focussing on OBIEE 12c, today i started to set up an OBIEE 12c test environment.
Beeing interested in the new features i chose "sample application" when configuring OBIEE 12c for the first time.
This led to a fully preconfigured environment, including BI-Domain, Repository, Catalog... etc. Let's call it 'bidomain'
Now i'd like to go on and test 11g migration tools, included in OBIEE 12c.
That's when some questions came up my mind:
1.) Do I have to set up a new domain (e.g. bidomain2 ...) within OBIEE 12c configuration tool or can i reuse my current domain ('bidomain', the one containing sample app lite)?
2.) Is it neccessary to create a new domain (bidomainX, bidomainY...) , everytime i use the OBIEE 12c configuration tool to migrate 11g contents into OBIEE 12c? If that's the case, is it possible to 'uninstall' old or unused domains?
Thank you for your help
Chris
Answers
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Hi @1454010
take me a look at the following document which contains a PowerPoint that describes the steps required for migration from 11g to 12c.
In in a nutshell, the 1st steps install the 12 WebLogic shell and then "lay down" the BIEE binaries and deploy them to the WebLogic shell.
You then apply your 11g export bundle to the WebLogic shell created in previous step. There is no need for another domain to be created And I'm not sure you can apply 11g export bundles multiple times to the same 12c WebLogic domain.
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Hi Joel,
thank you for your response.
I just had a look into the PowerPoint presentation you mentioned:
I think I have to point out that I did a fresh OBIEE 12c install, so i didn't use the preinstalled SampleApp-virtual machine provided by Oracle.
Instead I set up a new Oracle Linux Server:
-installed JDK
-installed FusionMiddleware/WebLogic,
-installed OBIEE 12
-configured OBIEE 12c
When configuring OBIEE 12c I was presented the screen on page 14 of your PowerPoint Presentation where you have to choose whether you want to install 'Oracle sample application (SampleAppLite), use your own existing BI Application from Export bundle (.jar file) or use a clean slate (no predefined application)
First time, i Chose "Oracle Sample application"
So now i dont want to start from scratch and create a new Domain and new rcu schemes for testing Migration.
I'd like to reuse my existing domain. I know i would lose sample application data then, but that would'nt be a problem for me.
I hope this will clarify my question.
Thank you,
Chris
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In that case, it sounds like you need to delete your WebLogic domain as I don't believe you can re-purpose an existing domain as you've described.
You'll probably have to create a new domain and then use the config.cmd tool to attach OBIEE to it.
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If your lite app is working, ie OBIEE is not broken because you did something bad with the lite app, then you can go ahead with the migration.
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You don't have to start from scratch, when you go and deploy your migrate 11g things it will replace everything related to the SampleApp lite you deployed first time (it will not merge them or anything).
There is a command line tool you will call that replace the Sample app lite by your migrated content.
So you don't have to install or configure things anymore.
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