EMC DS-5100B Hardware Reference - Page 33

Interpreting POST results, Maintaining the Brocade 5100

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Interpreting POST results 3 4. Runs diagnostic tests on several functions, including circuitry, port functionality, memory, statistics counters, and serialization. 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 configuration. 4. Obtains a domain ID and assigning 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. See Table 1 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. 2. Verify that the switch prompt displays on the terminal of a computer workstation connected to 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. 3. Review the switch system log for errors. Any errors detected during POST are written to the system log, accessible through the errShow command. For information about all referenced commands, and on accessing the error log, refer to Fabric OS Administrator's Guide. For information about error messages, refer to the Fabric OS Message Reference Manual. Maintaining the Brocade 5100 The Brocade 5100 does not require any regular physical maintenance and is designed for high availability and to minimize the chance of failure. It includes diagnostic tests and field-replaceable units, described in the following sections. Brocade 5100 Hardware Reference Manual 21 53-1000854-02

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Brocade 5100 Hardware Reference Manual
21
53-1000854-02
Interpreting POST results
3
4.
Runs diagnostic tests on several functions, including circuitry, port functionality, memory,
statistics counters, and serialization.
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
configuration.
4.
Obtains a domain ID and assigning 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.
See
Table 1
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.
2.
Verify that the switch prompt displays on the terminal of a computer workstation connected to
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.
3.
Review the switch system log for errors. Any errors detected during POST are written to the
system log, accessible through the
errShow
command.
For information about all referenced commands, and on accessing the error log, refer to
Fabric OS
Administrator’s Guide
. For information about error messages, refer to the
Fabric OS Message
Reference Manual
.
Maintaining the Brocade 5100
The Brocade 5100 does not require any regular physical maintenance and is designed for high
availability and to minimize the chance of failure. It includes diagnostic tests and field-replaceable
units, described in the following sections.