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Appendix A. Consoles, SMS, and Open Firmware 515
Depending on your fiber channel targets and the connectivity that you use to
connect to them, you may wish to change the connection type to loop or to
point-to-point. Use the command set-connection-mode to do the change, as
shown in Example A-12. The command returns the current setting and lets you
change to a new one. The possible options are shown. Select the corresponding
number and click Enter.
Example: A-12 Change connection mode of an QLogic HBA
0 > set-connection-mode Current HBA Connection Mode: 2 - Loop preferred, otherwise
point-to-point
Do you want to change it? (y/n)
Choose HBA Connection Mode:
0 - Loop Only
1 - Point-to-point only
2 - Loop preferred, otherwise point-to-point
enter: 1Current HBA Connection Mode: 1 - Point-to-point only
ok
0 >
The last command that we describe for the QLogic host bus adapter is the
show-children command, which can be used to show available targets and
LUNs to the HBA. Example A-13 shows output from one of our Virtual I/O
servers. A DS4800 with 7 LUNs is shown. The DS4800 is connected to port 0 of
the Switch and JS23/JS43 to port 3.
Example: A-13 List all available devices on the selected QLogic HBA
0 > show-children Adapter portID - 610300
************** Fabric Attached Devices **************
Dev# 0 (0 ) PortID 10000 Port WWN 203200a0b811a662
LUN 2 DISK IBM 1815 FAStT 0914
LUN 3 DISK IBM 1815 FAStT 0914
LUN 4 DISK IBM 1815 FAStT 0914
LUN 5 DISK IBM 1815 FAStT 0914
LUN 6 DISK IBM 1815 FAStT 0914
LUN 7 DISK IBM 1815 FAStT 0914
LUN 8 DISK IBM 1815 FAStT 0914
ok
0 >
Remember that the described commands require that you have an HBA port
selected and that they have effect only on the selected HBA port. You need to
perform the necessary actions on both HBA ports.
To leave the Open Firmware prompt and restart the blade, use the command
reset-all.
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