Cisco switch Nexus 9336-FX2 fan speed mismatch or loud accoustic noise
Applies to
- Nexus 9336-FX2
- NX-OS 9.3(8)
Issue
- Switch/fans are running loud or at different speeds
Fan:
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FanName Fan Num Fan Direction Speed(%) Speed(RPM)
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Fan1(sys_fan1) fan1 back-to-front 68 15882
Fan1(sys_fan1) fan2 back-to-front 69 14136
Fan1(sys_fan1) fan3 back-to-front 68 15882
Fan1(sys_fan1) fan4 back-to-front 69 14136
Fan2(sys_fan2) fan1 back-to-front 19 4651
Fan2(sys_fan2) fan2 back-to-front 20 4169
Fan2(sys_fan2) fan3 back-to-front 19 4635
Fan2(sys_fan2) fan4 back-to-front 20 4192
Fan3(sys_fan3) fan1 back-to-front 67 15652
Fan3(sys_fan3) fan2 back-to-front 68 13846
Fan3(sys_fan3) fan3 back-to-front 67 15652
Fan3(sys_fan3) fan4 back-to-front 68 13917
- No failures for temperature alarms have been reported in the logs:
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Module Sensor MajorThresh MinorThres CurTemp Status
(Celsius) (Celsius) (Celsius)
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1 FRONT 80 70 24 Ok
1 BACK 70 42 23 Ok
1 CPU 90 80 31 Ok
1 Heavenly 110 90 42 Ok