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Supper louder Noise with normalize sysfan speed

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fas-systems
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hw
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Applies to

  • NetApp FAS50 Series
  • ONTAP 9.16.1
  • BMC 19.3
  • PSU (Power Supply Unit) integrated fans

Issue

Noticed an increase in fan noise, characterized by a louder and higher pitch than usual, coming from the chassis and all system fans +  power supply fans are spinning. 

  • Increased Fan Noise: The noise is louder and has a higher pitch than usual, indicating the chassis fans are working harder
  • Normally system Fans: All system fans are  spinning with normally speeds.

Sysfan1 F1 Speed         normal         11040 RPM
Sysfan1 F2 Speed         normal         10240 RPM
Sysfan2 F1 Speed         normal         10720 RPM
Sysfan2 F2 Speed         normal         10400 RPM
Sysfan3 F1 Speed         normal         11040 RPM
Sysfan3 F2 Speed         normal         10240 RPM
Sysfan4 F1 Speed         normal         10720 RPM
Sysfan4 F2 Speed         normal         10560 RPM
Sysfan5 F1 Speed         normal         11040 RPM
Sysfan5 F2 Speed         normal         10560 RPM

  • No Relevant Event Log Entries: The event log does not report any errors or issues 

Check command

      • ::> system node run -node * -command storage show fault
      • ::> system controller environment show

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