HP MPX200 Multifunction Router User Manual

Page 173

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Table 25 Troubleshooting (continued)

Reason and Solution

Problem

(To rescan an array in HP mpx Manager, right-click the
appropriate array in the router tree, and then click Rescan.)

This problem can occur if you map LUNs for presentation
and also create a global presentation for a presented

After zoning the presented target ports with the host, LUNs
are not visible through the router paths.

target. If you map LUNs, use VPG-based target maps
instead. Use global target presentation only when you
remap LUNs for presentation.

This problem can be caused by faulty SFPs or cables used
for the router ports. To check, view the switch logs

The migration job shows extensive performance
degradation or remains at a zero percent running state
although the LUNs appear online.

associated with the FC port connections. For every port,
compare the Lr_in and Ols_out values, as well as the
Lr_out

and Ols_in values. A drastic difference in these

values indicates a bad SFP or bad cable connection.

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