Ruling Out Cabling Issues; Nx_Port (Host Or Storage) Issues - HP StorageWorks MSA 2/8 - SAN Switch User Manual

Troubleshooting
6. Check the results of the loopback test and proceed as follows:

Ruling Out Cabling Issues

7. Begin by performing the steps in
8. Insert a new cable into the suspected marginal port.
9. Enter the portErrShow command to determine if a problem still exists.

Nx_Port (Host or Storage) Issues

10. Begin performing the steps in
11. Follow the troubleshooting procedures for the host or storage device.
236
— If the loopback test failed, the port is bad. Replace the port card.
— If the loopback test did not fail, the SFP was bad.
By now an SFP problem is ruled out.
— If the portErrShow output displays a normal number of generated
errors, the issue is solved.
— If the portErrShow output still displays a high number of generated
errors, move on to
Out Cabling Issues" on page 236.
By now an SFP problem and a cable problem have been ruled out.
"Isolating the
"Nx_Port (Host or Storage)
"Isolating the
Fabric OS Procedures Version 3.1.x/4.1.x User Guide
Areas" on page 235.
Issues" on page 236.
Areas" on page 235 and "Ruling