Sun Microsystems 6900 Series Benutzerhandbuch

Sun StorEdge 3900 and 6900 Series Troubleshooting Guide • March 2002

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To Isolate the A1/B1 FC Link

1. Quiesce the I/O on the A1/B1 FC link path.

2. Run

switchtest

qlctest

to test the entire link.

3. Break the connection by uncabling the link.

4. Insert a loopback connector into the switch port.

5. Rerun

switchtest

a. If

switchtest

fails, replace the GBIC and rerun

switchtest.

b. If

switchtest

fails again, replace the switch.

6. Insert a loopback connector into the HBA.

7. Run

qlctest

■

If the test fails, replace the HBA.

■

If the test passes, replace the cable.

8. Recable the entire link.

9. Run

switchtest

qlctest

to validate the fix.

10. Return the path to production.