Isolating the areas – HP StorageWorks MSA 2.8 SAN Switch User Manual
Page 235

Troubleshooting
235
Fabric OS Procedures Version 3.1.x/4.1.x User Guide
2. Establish if there are a relatively high number of errors (such as CRC errors or
ENC_OUT errors), or if there are a steadily increasing number of errors to
confirm a marginal link.
If high errors exist, see
step 3
.
Isolating the Areas
3. Move the suspected marginal port cable to a different port on the switch.
— If the problem stops or goes away, the switch port or the SFP is marginal.
Continue to
step 4
— If the problem does not stop or go away, see “
Nx_Port (Host or Storage) Issues
4. Replace the SFP on the marginal port.
5. Run the
portLoopBack
test on the marginal port. Refer to the HP
StorageWorks Fabric OS Version 3.1.x/4.1.x Reference Guide or
“
” on page 210 for more information.
34: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
35: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
36: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
37: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
38: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
39: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
40: 99m 146m 0 0 0 0 0 666 0 6 796 7 0 0
41: 99m 149m 0 0 0 0 0 15k 0 2 303 4 0 0
42: 99m 152m 0 0 0 0 0 665 0 2 221 5 0 0
43: 99m 147m 0 0 0 0 0 16k 0 2 144 4 0 0
44: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
45: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
46: 0 0 0 0 0 0 0 0 0 0 0 2 0 0
47: 0 0 0 0 0 0 0 0 0 0 0 0 0 0
switch:admin>