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ノードが予期せず停止してもBMCにはアクセスできますが、コンソール出力はありません

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ontap-9
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hw
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環境

  • FAS2750
  • FAS2720

問題

  • エラーは発生せずにノードが停止し、リブートされません。
  • BMCには引き続きアクセス可能で、複数のセンサーが異常な状態を示しています。

/usr/local/bin/environ -show_all
================================
Sensor Name        State      Current   Critical    Warning    Warning   Critical
Reading                        Low      Low      High     High
-------------------------------------------------------------------------------------------------
CPU Temp Margin      failed       -- C     --      --      -11 C     -1 C
CPU Core Temp       failed       -- C      0 C      5 C     100 C     105 C
PVCCIN CPU         critlow       0 mV    1249 mV    1501 mV    1900 mV    2005 mV
P5V            critlow       0 mV    4264 mV    4368 mV    5694 mV    5824 mV
PVDDQ DDR4 AB       critlow       0 mV    1086 mV    1100 mV    1299 mV    1320 mV
PVTT DDR4 AB        critlow       0 mV    546 mV    553 mV    646 mV    660 mV
P3.3V           critlow       0 mV    2957 mV    3027 mV    3570 mV    3657 mV
P12V            critlow      310 mV   10540 mV   10850 mV   12958 mV   13454 mV
P12V Curr         critlow       0 mA     0 mA     --      --     15810 mA

  • ホストの電源ステータスはオフ system power onになっており、実行してもオンにはできません。

BMC> system power status
Host Power is off

  • を使用 system consoleしてLOADERプロンプトに切り替えられませんでした。
  • シリアル・コンソール・ポートを介してコンソール出力が行われない

 

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