Instruction Manual

Port link speed LED p
atterns
Thefollowingindicatesportspeeds:
• No light — 1Gbps
• Green — 2 Gbps
• Amber — 4 Gbps
• Shows Green/Amb
er — Invalid
POST and boot specifi cations
POST is a system check that is per formed each time the switch is p owered on, rebooted,
or reset. During POST, the LEDs flash different colors. Any errors that occur during
POST are listed in the error log.
The 4Gb SAN Switch performs POST when it is turned on or rebooted. Total boot time
with POST is approximately three minutes.
POST can be om itted for subsequent reboots by using the fastboot command. For
more information about this command, refer to the latest version of the Fabric OS
command reference guide. If you suspect a problem with the switch, enable POST to
obtain more information on any failure.
POST
The success/failure results of the diagnostic tests that run during POST ca n be monitored
through the error log or the command line interface.
POST inclu des the following steps:
• Preliminary POST diagnostics are run.
• Operatin
g system is initialized.
• Hardware is initialized.
• Diagnostic tests are run on several functions, including circuitry, port functionalit y,
memory,
statistics counters, and serialization.
Boot
Boot completes in approximately three minutes if POST is run. Boot includes the following
tasks after POST completes:
• Universal port configu ration
• Links initialized
• Fabric is analyzed; if any ports are connected to other switches, the 4Gb SAN
Switch par ticipates in a fabric configuration
Brocade 4Gb SAN Switch for HP c-Class BladeSystem
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