Control Path

The FSPM control path to the Pilot of an Oracle FS System provides a separate path from the data path to the Controller of an Oracle FS System to manage multipathing and communication.

FSPM uses a daemon to control multipathing and communication. The FSPM daemon uses the control path to perform these actions:

The FSPM daemon sends a description of the host to the Pilot on each connected Oracle FS System. In the Oracle FS System Services, this description creates a definition for the host that includes FC ports in the host and, if iSCSI is configured, the iSCSI initiator name.

The Oracle FS System Manager (GUI) and Oracle FS CLI list the World Wide Names (WWNs) of the FC ports and IP addresses from the host used to make iSCSI connections to the Oracle FS System.

If you use iSCSI on the host to connect to a Controller through an iSCSI-to-FC router, these connections are described as FC connections. Within Oracle FS System Manager (GUI) and Oracle FS CLI, the iSCSI connections are displayed as originating from the FC ports on the switch assigned to the host iSCSI initiator. The port WWNs are displayed as FC HBA ports on the host. The HBA model associated with these ports is displayed in the GUI as iSCSI-FC router.

To establish the control path to an Oracle FS System host, the host must be able to connect to the Oracle FS System over the data path. As part of the connection sequence, the Controller returns the IP address of the Pilot to the FSPM host over the data path. The host uses the IP address of the Pilot to establish the control path to the Oracle FS System.