HP StorageWorks 2/32 SAN switch 2/32 version 4.0.x installation guide - Page 74
SAN Switch 2/32 Diagnostics, Interpreting POST Results, Additional Diagnostic Tests
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Managing the SAN Switch 2/32 SAN Switch 2/32 Diagnostics Read the following sections for information on using POST and diagnostic tests. Interpreting POST Results Each time the switch is powered on or reset, the switch automatically performs POST, a one-minute system check during which the port status LEDs flash different colors. To determine whether POST completed without errors, verify that all LEDs return to a normal state after POST is complete. If one or more LEDs do not return to a normal state, and this is not due to the switch being set to beacon, refer to the HP StorageWorks Fabric OS Procedures Version 3.0.x/4.0.x User Guide. Note: If the switch prompt does not display when POST completes, POST was not successfully completed and the switch should be returned to your switch supplier for repair. Any errors detected during POST are written to the system log, accessible through the errShow command. For more information about error messages, refer to the HP StorageWorks Fabric OS Procedures Version 3.0.x/4.0.x User Guide. Additional Diagnostic Tests The SAN Switch 2/32 uses diagnostic tests to help troubleshoot hardware and firmware. The diagnostic tests provided on the switch include tests of internal connections and circuitry, fixed media, and any SFP modules and fiber optic cables in use. The tests are implemented by command, either through a telnet session or through a terminal set up for a Serial connection to the switch. Some tests require the ports to be connected by external cables, to allow diagnostics to verify the serializer/deserializer interface, and to verify the attached SFP and cable. All diagnostic tests are run at link speeds of both 1 Gbps and 2 Gbps. For information about the specific diagnostic tests and how to run them, refer to the HP StorageWorks Fabric OS Procedures Version 3.0.x/4.0.x User Guide. 74 SAN Switch 2/32 Installation Guide