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Review the event browser to determine if excessive port errors are responsible for disabling the port. Look
for a message that mentions one of the monitored error types indicating that the port has been disabled,
then perform the following procedure:
1. Examine the alarm configuration for the associated error using the show config threshold CLI
command. See the show config threshold CLI command in the HP StorageWorks SN6000 Fibre
Channel Switch Command Line Interface Guide. Are the thresholds and sample window correct?
•Yes—Continue
• No—Correct the alarm configuration. If the condition remains, continue.
2. Reset the port, then perform an external port loopback test to validate the port and the SFP. For
information about testing ports, see the HP StorageWorks SN6000 Fibre Channel Switch Command
Line Interface Guide or the HP StorageWorks SN6000 Fibre Channel Switch QuickTools Switch
Management User Guide. Does the port pass the test?
•Yes—Continue
• No—Replace the SFP and repeat the test. If the port does not pass the test, contact your authorized
maintenance provider. Otherwise continue.
3. Replace the Fibre Channel port cable. Is the problem corrected?
• Yes—The procedure is complete.
•No—Continue.
4. Inspect the device to which the affected port is connected and confirm that the device and its HBA are
working properly. Make repairs and corrections as needed. If the condition remains, contact your
authorized maintenance provider.
Transceiver diagnostics
You can display the following transceiver information using the show media CLI command:
• Port number
• Manufacturer
• Temperature (°C)
• Operating voltage (volts)
• Transmitter bias (milliamps)
• Transmitter power (milliwatts)
• Receiver power (milliwatts)
The display indicates warning and alarm conditions for both high and low values.
Power Supply Diagnostics
An SN6000 Fibre Channel Switch power supply has a Status LED (Green) and a Fault LED (Amber) as
shown in Figure 22. Under normal operating conditions, the Power Supply Status LED is illuminated and
the Power Supply Fault LED is extinguished.
Figure 22 SN6000 Fibre Channel Switch Power Supply LEDs
Consider the following indications:
1
2
1 Power supply status LED 2 Power supply fault LED