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Environment shutdown due to a FAN failure on AFF A700, FAS9000

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Applies to

  • ONTAP 9
  • AFF A700 / FAS9000
  • SP firmware version 4.7 or later

Issue

  • Controller powers down, due to "Multiple fans has failed" event, causing a partner takeover.
  • AutoSupport generated: HA Group Notification (MULTIPLE FAN FAILED: System will shut down in 2 minutes) ERROR
  • EMS / event log will show one or more of the following fan errors:

::> event log show -event *fan*

[cluster-01: env_mgr: monitor.chassisFan.stop:error]: Chassis fan contains at least one stopped fan: FanB1 F1 at failed
[cluster-01: env_mgr: monitor.chassisFan.stop:error]: Chassis fan contains at least one stopped fan: FanB1 F2 at failed
[cluster-01: env_mgr: monitor.chassisFan.stop:error]: Chassis fan contains at least one stopped fan: FanB1 F3 at failed
[cluster-01: env_mgr: monitor.chassisFan.stop:error]: Chassis fan contains at least one stopped fan: FanB1 F4 at failed
[cluster-01: env_mgr: monitor.chassisFanFail.xMinShutdown:EMERGENCY]: Multiple Chassis Fan failure: System will shut down in 2 minutes.
[cluster-01: monitor: monitor.globalStatus.critical:EMERGENCY]: Multiple fans has failed: FanB1 F1, FanB1 F2, FanB1 F3, FanB1 F4. 
[cluster-01: env_mgr: callhome.c.fan.fru.shut:error]: Call home for MULTIPLE FAN FAILED: System will shut down in 2 minutes
[cluster-01: env_mgr: monitor.shutdown.emergency:EMERGENCY]: Emergency shutdown: Environmental Reason Shutdown (Multiple fans failed)

  • SP syslog (included in sp status -d output) contains:

[477 WARNING][Porting/platform/PDKFan.c:1397]FanDaemon: Failure to read FanModuleData from fan module 1
[477 WARNING][Porting/platform/PDKFan.c:1416]FanDaemon: Fan module 1 marked bad after 3 consecutive failures
[477 WARNING][Porting/platform/PDKFan.c:1397]FanDaemon: Failure to read FanModuleData from fan module 1
[477 WARNING][Porting/platform/PDKFan.c:1416]FanDaemon: Fan module 1 marked bad after 3 consecutive failures

  • Outputs of system node environment sensors show indicate fault/MULTIFAULT on FRU FanB1 (or other affected fan).

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