The Oracle Fusion Middleware Management plug-in provides a consolidated view of the Exalytics In-Memory System and Machine within Oracle Enterprise Manager, including a consolidated view of all the hardware components and their physical location with indications of status.
See the Managing Oracle Exalytics In-Memory Machine with Oracle Enterprise Manager manual available from the Management tab of the Enterprise Manager documentation library: http://docs.oracle.com/cd/E24628_01/nav/management.htm
In particular, see:
Features and enhancements provided by the Oracle Fusion Middleware Management plug-in for the Exalytics In-Memory System.
Instructions for discovering the Exalytics In-Memory System by Oracle Enterprise Manager Cloud Control 12c.
Instructions for configuring the Exalytics In-Memory System within Oracle Enterprise Manager Cloud Control 12c.