Discovery and Target Model

To discover Oracle Application Server, Enterprise Manager Agent needs to be installed on the same host as the application server. There are two scenarios for the application server's discovery:

• The agent is installed after the installation of the application server: in this scenario, nothing needs to be done for the application server's discovery besides installing the agent, the agent discovers the existing application server during installation. In Chapter 2,Installing Enterprise Manager Grid Control, we learned how to install a new agent. During the installation of an agent, the user is prompted to provide details of Oracle Management Server; using those details, the agent uploads details about the newly discovered application server targets.

• The application server is installed after agent installation: in this scenario, you will need to trigger the discovery process from Enterprise Manager Console to discover the application servers that got installed after...