Noisy fan UCS 6248 fabric Interconnect noise RPM

Hello

Our pair of interconnection fabric installed 6248 produce a FAN noise.

Is it possible to reduce their RPM? So can be more silent? The server room have good air conditioning.

Some newspapers like below:

Fabric - Has (nxos) # show the fan environment details

Fan:
---------------------------------------------------
Module fan air Speed (%)  Speed
Direction
---------------------------------------------------
1 1 front-to-Back 60 15428
1 front-to-Back 2 60 11065
1 front-to-Back 3 60 14835
1 front-to-Back 4 60 10997
2 1 front-to-Back 60-15000
2 front-to-Back 2 60 11134
2 3 front-to-Back 14835 60
2 front-to-Back 4 60 11065

Power supply:
-----------------------------------
Configured module air flow
Direction speed (%)
-----------------------------------
Front-to-1 Back 60
2 front-to-Back 60
Fabric-A (nxos) #.

Fabric-A (nxos) #.
Fabric - A (nxos) # show environment

Fan:
------------------------------------------------------
Fan model Hw status
------------------------------------------------------
Chassis-1 UCS-FAN-6248UP - ok
Chassis-2 UCS-FAN-6248UP - ok
PS - 1 UCS-PSU-6248UP-AC - ok
PS - 2 UCS-PSU-6248UP-AC - ok

Temperature
-----------------------------------------------------------------
MajorThresh MinorThres CurTemp sensor module status
(Celsius)     (Celsius)    (Celsius)
-----------------------------------------------------------------
1 ok taken 67 58 35

Power supply:
Voltage: 12 Volts
-----------------------------------------------------------
PS model power input power state
Type (Watts) (Amp)
-----------------------------------------------------------
UCS-PSU-6248UP-AC AC 780,00 65.00 1 ok
2 UCS-PSU-6248UP-AC AC 780,00 65.00 ok

Model power power power power status mod
Asked asked allocated allocated
(Watts)   (Amp)       (Watts)   (Amp)
--- ----------------------  -------   ----------  --------- ----------  ----------
UCS-FI-6248UP-SUP 492,00 41,00 41,00 492,00 1 power
UCS-FI-DL2 24.00 3 2.00 24.00 2.00 under tension

Summary of the use of power:
--------------------
Power supply redundancy mode: redundant
Operational mode of power supply redundancy: redundant

Total power 1560.00 W

Reserved for directors of research 492,00 W of power
Power currently used by Modules 24.00 W

-------------
Available power 1044.00 total W
-------------
Fabric-A (nxos) #.

Felipe,

Please open a TAC case to see if the problem is in the hardware level (a show of UCSM tech will be necessary) an engineering failure analysis may be needed to determine what is happening.

-Kenny

Tags: Cisco DataCenter

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