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170 HP StorageWorks 2/8q Fibre Channel Switch Management User Guide
2. Place the port in Diagnostics mode by entering the following command (x = port number):
set port x state diagnostics
3. Choose the type of port loopback test to run:
■ To run an internal loopback test, enter the following:
test port x internal
■ To run an external loopback test, enter the following command. A loopback plug must
be installed for this test to pass.
test port x external
4. A series of test parameters are displayed on the screen. Press Enter to accept each default
parameter value, or enter a new value for each parameter. The TestLength parameter is the
number of frames sent, the FrameSize (256 byte maximum in some cases) parameter is the
number of bytes in each frame, and the DataPattern parameter is the pattern in the payload.
5. After the test type has been chosen and the command executed, a message on the screen
will appear detailing the test results.
6. After the test is run, put the port back into online state by entering the following command
(x = port number).
set port x state online
7. To verify port is back online, enter the following command. The contents of the
AdminState box should display Online.
show port x
8. The online loopback (node-to-node) test requires that port be online and connected to a
remote device. To run the online loopback test:
9. To start an admin session, enter the following command.
admin start
10. To run the online loopback test, enter the following command.
test port x online
11. A series of test parameters are displayed on the screen. Press Enter to accept each default
parameter value, or enter a new value for each parameter. The TestLength parameter is the
number of frames sent, the FrameSize (256 byte maximum in some cases) parameter is the
number of bytes in each frame, and the DataPattern parameter is the pattern in the payload.
Before running the test, make sure that the device attached to the port can handle the test
parameters.
2/8q FC Switch (admin) #> test port x online
A list of attributes with formatting and current values will follow. Enter
a new value or simply press the ENTER key to accept the default value. If
you wish to terminate this process before reaching the end of the list
press 'q' or 'Q' and the ENTER key to do so.
TestLength (decimal value, 1-4294967295) [100 ]
FrameSize (decimal value, 36-2148) [256 ]
DataPattern (32-bit hex value or 'Default') [Default]
StopOnError (True/False) [False ]
Do you want to start the test? (y/n) [n]
12. After all parameter values are defined, press Y to start the test. After the command
executes, a message on the screen appears detailing the test results.