To isolate the a3 or b3 fc link, Break the connection by uncabling the link, Run switchtest – Sun Microsystems 6900 User Manual
Page 78: B. if the test fails again, replace the switch, Return the path to production, Sun proprietary/confidential: internal use only
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Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide • March 2003
Sun Proprietary/Confidential: Internal Use Only
▼
To Isolate the A3 or B3 FC Link
To isolate the A3 or B3 link, which is the FC link from the virtualization engine to
the back-end switch, follow these steps:
Note –
The A3 or B3 FC link exists in a Sun StorEdge 6900 series only.
1. Quiesce the I/O on the A3 or B3 FC link path (refer to “Quiescing the I/O on the
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.
5. If the switch or the GBIC shows no errors, replace the remaining components in
the following order:
a. Replace the virtualization engine-side GBIC, recable the link, and monitor the
link for errors.
b. Replace the cable, recable the link, and monitor the link for errors.
c. Replace the virtualization engine, restore the virtualization engine settings,
recable the link, and monitor the link for errors.
Note –
The procedures for restoring virtualization engine settings are in the Sun
StorEdge 3900 and 6900 Series 2.0 Reference and Service Guide.
6. Return the path to production.