IBM TotalStorage SAN140M, Инструкция по установке и обслуживанию

Страница: 209 / 428

177 Chapter 4: Repair information
c. Click OK. The port resets.
10. Notify the customer that the test is complete and the attached
device can be set online.
External loopback test (Element Manager application)
To perform an external loopback at the Element Manager application:
1. Notify the customer that a disruptive external loopback test will
be performed and the attached device must be disconnected.
2. Disconnect the fiber-optic jumper cable from the port to be tested.
3. Depending on the port technology, insert a singlemode or
multimode loopback plug into the port receptacle.
4. At the Element Manager application, select Port Diagnostics from
the Maintenance menu. The Port Diagnostics dialog box displays
(
Figure 55 ).
5. Type the port number to be tested or select all ports at the Port
Select area of the dialog box.
6. At the Diagnostics Test list box, select the External Loop option.
7. Click Next. At the Port Diagnostics dialog box, the message
Loopback plug(s) must be installed on ports being diagnosed
appears.
8. Verify a loopback plug is installed and click Next. The message
Press START TEST to begin diagnostics appears, and the Next
button changes to a Start Test button.
9. Click Start Test. The test begins and:
a. The Start Test button changes to a Stop Test button.
b. The message Port xx: TEST RUNNING appears.
c. A red progress bar (indicating percent completion) travels
from left to right across the Completion Status field.
10. When the test completes, results appear as Port xx: Passed! or
Port xx: Failed! in the message area of the dialog box.
11. When finished, click Cancel to close the Port Diagnostics dialog
box.
12. Remove the loopback plug and reconnect the fiber-optic jumper
cable from the device to the port.