Public Versus Private Devices; Switched Mode Operation - HP StorageWorks 64 - SAN Director Switch Planning Manual

Planning Considerations for Fibre Channel Topologies
Figure 22: Switched mode operation

Public Versus Private Devices

Arbitrated loop switches support connection of public and private arbitrated loop
devices as follows:
■
62
Public device — A loop device that can transmit a fabric login (FLOGI)
command to the switch, receive acknowledgement from the switch's login
server, register with the switch's name server, and communicate with
fabric-attached devices is a public device. Public devices communicate with
fabric-attached devices through the switch's B_Port connection to a director.
As shown in Figure 23, server S
communicate with fabric-attached device D
switched) does not affect device communication.
is a public loop device that can
2
. The switch mode (shared or
1
SAN High Availability Planning Guide