
• Specifying topology (see “Setting the Fibre Channel Topology” (page 66))
• Choosing between standard mode and the high speed mode (see “ Changing the Fiber PCB
Mode Between Standard, High Speed, and Initiator/External Mix Mode” (page 67))
Setting the Data Transfer Speed for Fibre Channel Ports
As the system operation continues, you might notice that a larger amount of data is transferred at
some ports but a smaller amount of data is transferred at some other ports. If you set a faster data
transfer speed for ports where a larger amount of data is transferred, you will be able to optimize
the performance of your system. If you set a slower data transfer speed for ports where a smaller
amount of data is transferred, you will also be able to optimize the performance.
To specify the data transfer speed for a Fibre Channel port:
1. Start LUN Manager and display the Port window (“Port Window (When Selecting Icon under
Fibre Folder)” (page 19)).
2. In the Package tree, select the Fibre folder or a channel adapter of a Fibre Channel (“Port
Window (When Selecting Icon under Fibre Folder)” (page 19)).
• If you select the Fibre folder, the Port list displays a list of Fibre Channel ports in the
storage system.
• If you select a channel adapter, the Port list displays a list of Fibre Channel ports on the
channel adapter.
3. Select a port from the Port list or the Select a Port list.
The Mode area displays information about the selected ports.
4. Select the desired data transfer speed from the Host Speed list in the Mode area.
5. Click the Set button.
A message appears and asks if you want to change the port settings.
6. Click the OK button to close the message.
The settings are applied to the Port list (but not to the storage system). The changes are indicated
in blue.
7. Click the Apply button.
A message appears and asks if you want to apply the setting to the storage system.
8. Click the OK button to close the message.
The settings are applied to the storage system.
Setting Fibre Channel Port Address
When configuring a system, you need to set addresses for Fibre Channel ports. When addressing
Fibre Channel ports, you can use AL-PA (arbitrated-loop physical address) or loop IDs as the
addresses (for details, see “Available Addresses for Fibre Channel Ports” (page 64)).
NOTE: For more detailed information about Fibre Channel device addressing, see HP
StorageWorks XP24000/XP20000 Disk Array Owner Guide.
Table 5 Available Addresses for Fibre Channel Ports
Loop
ID
Port
Address
(AL-PA)
Loop
ID
Port
Address
(AL-PA)
Loop
ID
Port
Address
(AL-PA)
Loop
ID
Port
Address
(AL-PA)
Loop
ID
Port
Address
(AL-PA)
120109049607630B40EF
1210F9147617531B31E8
64 Performing LUN Manager Operations
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