Displaying The Status For The Fan Trays - Cisco Nexus 9508 Hardware Installation Manual

Displaying the Status for the Fan Trays

When a fan fails or when you remove a fan tray, the remaining operating fans speed up to compensate for
Note
the loss of fans. This process can increase the noise made by the fan trays until you replace the missing
fan tray or replace the defective fan tray.
When replacing a failed fan tray in a running system, be sure to promptly replace the fan tray.
Note
If one or more fans fail within a fan tray, the Fan Status LED turns red. A fan failure could lead to
Tip
temperature alarms if not corrected immediately.
The fan status is continuously monitored by the software. In case of a fan failure, the following actions occur:
• System messages are displayed.
• Call Home alerts are sent (if configured).
• SNMP notifications are sent (if configured).
To display the fan module statuses, see
Displaying the Status for the Fan Trays
You can display the status of the fan trays by using the show environment fan command.
switch# show environment fan
Fan:
------------------------------------------------------
Fan
------------------------------------------------------
Fan1(sys_fan1)
Fan2(sys_fan2)
Fan3(sys_fan3)
Fan_in_PS1
Fan_in_PS2
Fan_in_PS3
Fan_in_PS4
Fan_in_PS5
Fan_in_PS6
Fan_in_PS7
Fan_in_PS8
Fan Zone Speed: Zone 1: 0x0
Fan Air Filter : NotSupported
switch#
Cisco Nexus 9508 Switch Site Preparation and Hardware Installation Guide
58
Displaying the Status for the Fan Trays, on page
Model Hw
N9K-C9508-FAN 0.5020
N9K-C9508-FAN 0.5020
N9K-C9508-FAN 0.5010
-- --
-- --
-- --
-- --
-- --
-- --
-- --
-- --
Status
Ok
Ok
Ok
Ok
None
None
None
None
None
None
None
Managing the Switch
58.
OL-30837-01