Sun Microsystems StorEdge 6900 Series - Manual (Page 44)

28 Sun StorEdge 3900 and 6900 Series Troubleshooting Guide • March 2002
▼ To Isolate the A1/B1 FC Link
1. Quiesce the I/O on the A1/B1 FC link path.
2. Run switchtest or 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 or qlctest to validate the fix.
10. Return the path to production.