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support.dell.com Troubleshooting 5-1
This chapter discusses troubleshooting, diagnostic testing, and error messages,
including the following sections:
Diagnostic overview
Status and activity indicators
Diagnostic tests
Refer to the Dell PowerVault Systems Storage Area Network (SAN) Installation and
Troubleshooting Guide for further troubleshooting information.
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The switch is designed for maintenance-free operation. When there is a suspected
failure, the switch has self-diagnostic capabilities to aid in isolating any equipment or
fabric failures.
The switch supports power-on self-tests (POSTs) and diagnostic tests. The diagnostic
tests determine the switch’s status and isolate problems.
Te l n e t
commands are used to determine the switch’s status, error conditions, and
switch operating statistics.
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Error messages are available both by way of the switch’s front panel LCD display and
through a Telnet session. These messages are also stored in the system log and are
displayed when the
errShow
command is executed.
If you run the
portStatsShow
or the
diagShow
command prior to running a test on
the switch, errors may appear as a result of the normal synchronization process.
These errors should be addressed if the number of errors found increases when run-
ning the
portStatsShow
command again.
Where multiple probable cause and corrective actions are listed following an error
message, they are listed with the most probable first and the least probable last.
If any port fails during a diagnostic test, it is marked
;03
in the status display and is
ignored (not tried) until the system is rebooted.