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6.1.3
Fibre Channel Interface Addressing
One Fibre Channel port is assigned a target ID by addressing the port ID. The WMS100 can
address up to 256 logical unit numbers for one port. The host computer can access the
logical unit with the required logical unit number by identifying the port of the disk array
subsystem by using the target ID. The following figure illustrates the fibre channel port
addressing the logical unit number assignment.
6.1.3.1
When the FC Interface Board is Not Added
WMS100 host interface configures a Mini-HUB inside the control unit, and enhances one Fibre
Channel port to two host connectors. (See Figure 4.9)
Host
Fibre Channel
port
(Mini-HUB)
Figure 6.1
Fibre Channel Port-to-LUN Addressing (When FC interface board is not added to the control
unit)
96
Chapter 6 Configuring the WMS100 Subsystem
Other Fibre
subsystem
Port ID
LUN
0 to 511
Port ID
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Troubleshooting
