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NetApp FAS controller shutdowns with multiple chassis fan failed warnings, but only one chassis fan FRU is showing failed

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Category:
fas-systems
Specialty:
hw
Last Updated:

Applies to

  • AFF
  • FAS

Issue

  • Controller shuts down with multiple fan failure even though only one field-replaceable unit (FRU) needs a replacement.
  • Autosupports similar to the following can be generated:
HA Group Notification (MULTIPLE CHASSIS FAN FAILED: System will shut down in 2 minutes) ERROR
HA Group Notification (Health Monitor process nphm: NphmCriticalFanFruFaultAlert[xxxxxxxxxxxx]) CRITICAL
HA Group Notification (CHASSIS FAN FRU FAILED: SysFan1 F1) ERROR
HA Group Notification (CHASSIS FAN FRU FAILED: SysFan1 F2) ERROR
  • EMS errors for chassis SysFan failure:

Jun 30 19:01:27 [cluster-n01: env_mgr: monitor.chassisFanFail.xMinShutdown:EMERGENCY]: Multiple Chassis Fan failure: System will shut down in 2 minutes.
Jun 30 19:02:00 [cluster-n01: monitor: monitor.globalStatus.critical:critical]: Multiple fans failed: Sysfan2 F2, Sysfan2 F1. 
Jun 30 19:03:57 [cluster-n01:monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Multiple fans failed)

  • EMS errors for chassis IOfan failure:

Feb 27 14:06:51 [cluster-n01:monitor.chassisFanFail.xMinShutdown:EMERGENCY]: Multiple Chassis Fan failure: System will shut down in 2 minutes.
Feb 27 14:07:00 [cluster-n01:monitor.globalStatus.critical:EMERGENCY]: Multiple fans has failed: IOfan3 F1, IOfan3 F2.
Feb 27 14:09:21 [cluster-n01:monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Multiple IO fans failed)

 

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