Determining the status of a fan – Brocade VDX 8770-8 Hardware Reference Manual User Manual
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Brocade VDX 8770-8 Hardware Reference Manual
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Determining the status of a fan
4
Determining the status of a fan
Complete the following steps to determine the status of a fan.
1. Check the LED indicators on the fan (refer to
). The LED patterns may temporarily
change during POST and other diagnostic tests; for information about how to interpret the LED
patterns, refer to
. The Brocade VDX 8770-8 has up to four fans. Be sure to check
each module.
2. Check the fan status using the show environment fan {rbridge-id rbridge-id | all} command.
for possible results from this command. The RPM of each fan is also
provided. If a fan displays absent or faulty, contact the Brocade VDX 8770-8 supplier to order
replacement parts. Both physically absent or faulty could also be the result of the fan not being
properly seated.
NOTE
You can also use the show system command.
on page 58 shows a fan module.
ALM
No light
(LED is off)
The power supply has not failed.
No action required.
Steady amber
The power supply has failed.
Replace the power supply.
TABLE 14
Power supply LED descriptions (Continued)
LED purpose
Color
Status
Recommended action