Skip to main content
NetApp Knowledge Base

Cisco switch Nexus 9336-FX2 fan speed mismatch or loud accoustic noise

Views:
534
Visibility:
Public
Votes:
1
Category:
fabric-interconnect-and-management-switches
Specialty:
hw
Last Updated:

Applies to

  • Nexus 9336-FX2
  • NX-OS 9.3(8)

Issue

  • Switch/fans are running loud or at different speeds

Fan:

------------------------------------------------------------------
FanName          Fan Num  Fan Direction   Speed(%)  Speed(RPM)
------------------------------------------------------------------
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:

--------------------------------------------------------------------
Module   Sensor        MajorThresh  MinorThres   CurTemp     Status
                      (Celsius)     (Celsius)   (Celsius)
--------------------------------------------------------------------
1       FRONT          80             70         24        Ok
1       BACK           70             42         23        Ok
1       CPU            90             80         31        Ok
1       Heavenly       110            90         42        Ok

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.