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PSUモジュールを交換してもシステムから異音が発生する複数のファン障害アラート

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aff-series<a>2009654718</a>
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hw
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環境

  • AFF および FAS システム
  • ONTAP 9
  • ディスク シェルフ

問題

  • 両方のノードからのイベントログでは、次のアラートが頻繁に報告されます。

[Node-01: statd: monitor.shelf.fault:debug]: Critical fault reported on disk storage shelf attached to channel 0a. Check fans, power supplies, disks, and temperature sensors.
[Node-01: statd: monitor.fan.failed:debug]: Multiple fans has failed.
[Node-01: env_mgr: monitor.fan.warning:debug]: multiple fans have failed. Replace it to avoid overheating
[Node-01: env_mgr: callhome.c.fan.fru.fault:debug]: Call home for CHASSIS FAN FRU FAILED: Multiple fans have failed

  • の出力 storage show fault から、いずれかの電源装置が検出されていないことがわかります。

::> system node run -node * -command storage show fault

Enclosure Status: unrecoverable
Channel: 0a
Shelf: 0
Shelf Type: DS224-12
Product Serial Number: 952240001855
Module Type: IOM12E

Power Supplies:
Element Status      Status Bytes  Status Descriptions
  1: OK         01,00,00,20   RQSTED ON
 2: NOT INSTALLED    05,00,00,20  

Fans:
Element Status      Status Bytes  Status Descriptions
  1: OK         01,02,EC,26   
  2: OK         01,02,EC,26   
 3: NOT INSTALLED    05,00,00,20  
 4: NOT INSTALLED    05,00,00,20  

Input Power Monitor:
Element Status      Status Bytes  Status Descriptions
  1: OK         01,00,29,07   
 2: NOT INSTALLED    05,00,00,00  

Power Crest Factor:
Element Status      Status Bytes  Status Descriptions
  1: OK         01,00,29,07   
 2: NOT INSTALLED    05,00,00,00

  • PSUを交換しても、SPセンサーは読み取り値を報告できません。

Sensor Name        State      Current   Critical    Warning    Warning   Critical
                     Reading     Low      Low      High     High
-------------------------------------------------------------------------------------------------
SNMP Bad Fan Count            MULTI_FAILED
Chassis is Under Temp             NO
Chassis is Over Temp             NO
PSU2 Bad          invalid       --
PSU1 Bad                  FALSE
PSU2            invalid       --
PSU1                    GOOD
PSU2 ON                    ON
PSU1 ON                    ON
PSU1 INFO                 FRU_AVAIL
PSU1 INFO                 FRU_AVAIL
PSU1 FRU                  GOOD
PSU2 FRU                 MULTIFAULT
Partner Status              A_SIDE_PRESENT
PSU1 Present               PRESENT  
PSU2 Present        not_available    --
PSU2 5V          not_available    -- mV     --      --      --      --     
PSU2 12V          not_available    -- mV     --      --      --      --     
PSU2 5V Curr        not_available    -- mA     --      --      --      --     
PSU2 12V Curr       not_available    -- mA     --      --      --      --     
PSU2 Fan 1         not_available    -- RPM    --      --      --      --     
PSU2 Fan 2         not_available    -- RPM    --      --      --      --     
PSU2 Inlet Temp      not_available    -- C      0 C      5 C     57 C     62 C    
PSU2 Hotspot Temp     not_available    -- C      0 C      5 C     90 C     100 C    
PSU_FAN                  FAIL_2

  • 一方のPSUファンが認識されないと、もう一方のPSUファンの回転速度が速くなり、異音が発生します。
  • SP / BMCはすでに最新のファームウェアバージョンを実行しています。
  • SP / BMCをリブートしてもアラートは停止しません。
  • KBに記載されているように、e0Mポートのトラフィックは増加しません。 chassis fan fru failed:Multiple fans have failed even after upgrading SP/BMC
  • ノードのテイクオーバー/ギブバックを1つずつ実行しても、問題は維持されます。

 

 

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