Brocade Communications Systems 6510 Installation Guide download pdf (Page 34)

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 LED patterns on page 31 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 the Fabric

OS Administrator's Guide . For information about error messages, refer to the Fabric OS Message

Reference.

Brocade 6510 Maintenance

The Brocade 6510 is designed for high availability and low failure; it does not require any regular

physical maintenance. It includes diagnostic tests and field-replaceable units, described in the

following sections.

Installing an SFP+

The Brocade 6510 only supports Brocade-branded 8 Gbps and 16 Gbps SFP+ optical transceivers.

For the Fibre Channel connections, the Brocade 6510 uses SFP+ transceivers that support any

combination of Short Wavelength (SWL), Long Wavelength (LWL), and Extended Long Wavelength

(ELWL) optical media.

If you use an unqualified transceiver, the switchShow command output shows the port in a Mod_Inv

state. Fabric OS also logs the issue in the system error log.

For this procedure, see the figures in this section.

1. Making sure that the bail (wire handle) is in the unlocked position, position the optical transceiver so

that the key is oriented correctly to the port. Insert the transceiver into the port until it is firmly seated

and the latching mechanism clicks; then close the bail.

The 16 Gbps SFP+ transceivers do not have bails. Use the pull tab on the 16 Gbps SFP+

transceivers to help push the transceiver into the port.

Interpreting POST results

34 Brocade 6510 Hardware Installation Guide

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Brocade Communications Systems 6510 Installation Guide Page 34