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52 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide • March 2003
Sun Proprietary/Confidential: Internal Use Only
Verifying the A2 or B2 FC Link
You can check the A2 or B2 FC link using the Storage Automated Diagnostic
Environment, Diagnose—Test from Topology functionality. The Storage Automated
Diagnostic Environment’s implementation of diagnostic tests verifies the operation
of user-selected components. Using the Topology view, you can select specific tests,
subtests, and test options.
FRU Tests Available for the A2 or B2 FC Link
Segment
■ The linktest is not available.
■ Both the switch and the GBIC are tested using the switchtest test. The
switchtest test:
■ Can be used only in conjunction with the loopback connector
■ Cannot be cabled to the virtualization engine while switchtest runs
■ No virtualization engine tests are available.
▼ To Isolate the A2 or B2 FC Link
To isolate the A2 or B2 link, which is the FC link from the first switch to the
virtualization engine (only in the Sun StorEdge 6900 Series), follow these steps.
Note – The A2 or B2 FC link exists in a Sun StorEdge 6900 series only.
1. Quiesce the I/O on the A2 or B2 FC link path.
2. Break the connection by uncabling the link.
3. Insert the loopback connector in to the switch port.
4. Run switchtest:
a. If the test fails, replace the GBIC and rerun switchtest.
b. If the test fails again, replace the switch.