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HP StorageWorks XPath OS 7.4.X System Error Messages Reference Guide (AA-RVHGC-TE, September 2005)

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XPath OS 7.4.x system error messages reference guide 25
Recommended action
1. Verify that the MP Router is cabled correctly for the test.
Some diagnostic tests require special cabling configurations or loopback plugs. See the HP
StorageWorks XPath OS 7.4.x command reference guide for information on this test.
2. Check for faulty cables, deteriorated SFP transceivers, or dirty connections.
3. Replace the cables and SFP transceivers, if necessary.
4. Use the portLoopbackTest command to determine which port of the pair in the crossPortTest
is faulty.
If the port ASIC is faulty, do not use the port. A faulty port ASIC does not affect any other port in the
switch. The unit can be used until the port is needed to add switch capacity.
5. Run the crossPortTest command using the other MAC setting (either FC or Gigabit Ethernet) on the
port.
This error might indicate that a particular MAC setting for the port is faulty, while the other MAC setting
works correctly. For more information on these commands and the various test modes available, see the HP
StorageWorks XPath OS 7.4.x command reference guide.
Severity
Error
CM-EVENT_DIAG_GMAC_BRIDGE_LPBK_TEST
Message
Probable cause
The link between the management CPU and port ASICs has failed.
Recommended action
1. Reboot or power cycle the switch.
2. If the test still fails, use the firmwareDownload command to reinstall the firmware.
3. If this error is persistent, replace the switch immediately.
Severity
Critical
CM-EVENT_DIAG_LOOPBACK_PORT_TEST
Message
Probable cause
The diagnostic portLoopbackTest command failed for one of the following reasons:
• The switch is not cabled properly for the test.
• The SFP transceiver is not seated correctly or is defective.
• The port ASIC is faulty.
process_id (EvtMgr): date time
Critical CM-EVENT_DIAG_GMAC_BRIDGE_LPBK_TEST, 1, Diag gmac2bridgetest failed
process_id (EvtMgr): date time
Error CM-EVENT_DIAG_LOOPBACKPORT_TEST, 2, Diag loopback port test failed