Tuesday, January 15, 2013

Uninstalling Obiee 11g instance on a linux red hat platform

Here are the steps followed to uninstall 11g:


1. Take backup of nqsconfig.ini file at following path: (using pftp)
/MiddlewareHome/instances/instance1/config/OracleBIServerComponent/coreapplication_obis1/

2. Take back up of instanceconfig.xml file at following path:
/MiddlewareHome/instances/instance1/config/OracleBIPresentationServicesComponent/coreapplication_obips1

3. Take back of RPD OracleBIAnalyticsApps_BI0002.rpd at following path:
/MiddlewareHome/instances/instance1/bifoundation/OracleBIServerComponent/coreapplication_obis1/repository


4. Take backup of web catalogue:
/MiddlewareHome/instances/instance1/bifoundation/OracleBIPresentationServicesComponent/coreapplication_obips1/catalog/EnterpriseBusinessAnalytics

5. Back the patch files for BP2

6. Run deinstaller (Xming should be running for this as this is GUI based):
>cd /MiddlewareHome/Oracle_BI1/oui/bin
>./runInstaller.sh -d


7. Uninstall weblogic and leftovers using brute force (fastest method known to man)
>cd /MiddlewareHome
>rm -rf wlserver_10.3/

8. Remove all directories under /MiddlewareHome

I reinstalled after performing above steps and it did work.

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