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POST includes the following tasks:
1. Conducts preliminary POST diagnostics.
2. Initializes the operating system.
3. Initializes hardware.
4. Runs diagnostic tests on several functions, including circuitry, port functionality, memory,
Boot
In addition to POST, boot includes the following tasks after POST is complete:
1. Performs universal port configuration.
2. Initializes links.
3. Analyzes fabric. If any ports are connected to other switches, the switch participates in a fabric
4. Obtains a domain ID and assigns port addresses.
5. Constructs unicast routing tables.
6. Enables normal port operation.
Interpreting POST results
POST is a system check that is performed each time the switch is powered on, rebooted, or reset.
During POST, the LEDs flash either amber or green. Any errors that occur during POST are listed in
the error log.
Complete the following steps to determine whether POST completed successfully and whether any
errors were detected.
1. Verify that the switch LEDs indicate that all components are healthy.
2. Verify that the switch prompt displays on the terminal of a computer workstation connected to
3. Review the switch system log for errors. Any errors detected during POST are written to the
For information about all referenced commands, and on accessing the error log, refer to the Fabric
OS Administrator's Guide. For information about error messages, refer to the Fabric OS Message
Reference Manual.
Brocade 6510 Hardware Reference Manual
53-1002174-06
statistics counters, and serialization.
configuration.
See
Table 1
and
Table 2
for descriptions and interpretations of LED patterns. If one or more
LEDs do not display a healthy state, verify that the LEDs on the switch are not set to "beacon"
by entering the switchShow command to detect if beaconing is active.
the switch.
If there is no switch prompt when POST completes, press Enter. If the switch prompt still does
not display, try opening a Telnet session or accessing the switch through another management
tool. If this is not successful, the switch did not successfully complete POST. Contact your
switch supplier for repair.
system log, accessible through the errShow command.
Interpreting POST results
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