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"CHASSIS FAN FRU FAILED: Multiple fans have failed " reported on the system

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fas-systems
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Applies to

  • ONTAP 9
  • FAS/ AFF systems

Issue

  • Amber LED is turned ON
  • EMS reporting multiple errors about FANs and PSUs from both the nodes:-
Fri May 20 20:34:35 +1000 [hocnas-01: env_mgr: monitor.fan.warning:notice]: multiple fans have failed. Replace it to avoid overheating
Fri May 20 20:34:38 +1000 [hocnas-01: dsa_worker1: callhome.shlf.fan:EMERGENCY]: Call home for SHELF COOLING UNIT FAILED
Fri May 20 20:35:00 +1000 [hocnas-01: monitor: monitor.globalStatus.critical:EMERGENCY]: Multiple fans has failed. Disk shelf fault.
Fri May 20 20:35:33 +1000 [hocnas-01: env_mgr: callhome.c.fan.fru.fault:error]: Call home for CHASSIS FAN FRU FAILED: Multiple fans have failed
Fri May 20 20:41:01 +1000 [hocnas-01: env_mgr: monitor.fan.warning:notice]: multiple fans have failed. Replace it to avoid overheating
Fri May 20 20:41:31 +1000 [hocnas-01: env_mgr: monitor.fan.ok:notice]: All fans are OK.
Fri May 20 20:44:11 +1000 [hocnas-01: cphmd: hm.alert.raised:alert]: Alert Id = CriticalFruMultiFaultAlert , Alerting Resource = PSQ094174100430 raised by monitor chassis
Fri May 20 20:44:11 +1000 [hocnas-01: cphmd: hm.alert.raised:alert]: Alert Id = CriticalFruMultiFaultAlert , Alerting Resource = PSQ094174101084 raised by monitor chassis
Sat May 21 15:00:00 +1000 [hocnas-02: statd: monitor.shelf.fault:alert]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
Sat May 21 15:00:00 +1000 [hocnas-02: statd: monitor.fan.failed:alert]: Multiple fans has failed.
Sat May 21 15:41:42 +1000 [hocnas-02: env_mgr: monitor.fan.warning:notice]: multiple fans have failed. Replace it to avoid overheating
Sat May 21 15:42:12 +1000 [hocnas-02: env_mgr: callhome.c.fan.fru.fault:error]: Call home for CHASSIS FAN FRU FAILED: Multiple fans have failed
Sat May 21 15:47:44 +1000 [hocnas-02: dsa_worker1: callhome.shlf.fan:EMERGENCY]: Call home for SHELF COOLING UNIT FAILED
  • SP of node-2 was reporting as PSU_present as Absent:
Sensor Name      | Current    | Unit       | Status     | LCR       | LNC       | UNC       | UCR
 ----------------- ------------ ------------ ------------ ----------- ----------- ----------- -----------
 PSU1_Present     | 0x0        | discrete   | Absent     | na        | na        | na        | na
 PSU1_Fault       | na         | discrete   | na         | na        | na        | na        | na
 PSU2_Present     | 0x0        | discrete   | Absent     | na        | na        | na        | na
 PSU2_Fault       | na         | discrete   | na         | na        | na        | na        | na

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