OBIEE 11g Folder Structure

Middleware Home

Middleware Home is the top level location for installation and consists of the weblogic server and optionally one or more Oracle homes e.g.: Oracle_BI1. All the files related to Oracle BI reside in Middleware home. Middleware home can reside on a local file system or on a remote shared disk that is accessible through NFS. This folder is created by the user and the path is specified during OBIEE installation.

Oracle Home

An Oracle Home contains installed files necessary to host a specific product. The Oracle BI 'Oracle Home'(Oracle_BI1) contains a directory that contains binary and library files for OBIEE. An Oracle home resides within the library structure of Middleware home.       
    

Oracle Common

Oracle common home contains the binary and library files required for Oracle EM. There can be only one oracle common within middleware home.

Weblogic Home

Weblogic server home contains installed files necessary to host a weblogic server. It is a peer of Oracle home directories and resides within middleware home.

Instances

Instances contain sub directories that hold the Oracle BI system components, OPMN control, configuration files, RPD, web cat etc.

User Projects

User projects contain the Weblogic Admin and Managed Servers that host Oracle JAVA components. It contains weblogic admin and managed server log files.