If there is a requirement to make
OBI repository as read only—
To give READ ONLY access to users please navigate to following and check
to disable online updates on repository. Bounce the server to activate changes.
Login to Oracle Enterprise Manager Goto -> Business Intelligence
-> coreapplication
Click - Capicity Managment Tab in Right side -> Performance ->
Check Disable Disallow Online RPD Updates
In order to make any development work then enable the option and bounce
the server to activate the changes and repository will be opened for
modifications.
Check to disable the option once development work is done else this will allow users to modify the repository knowingly or unknowingly.