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

Page 235

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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 “

Ruling Out Cabling Issues

on page 236 or “

Nx_Port (Host or Storage) Issues

” on page 236.

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

Troubleshooting the Hardware

” 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

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