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Cisco スイッチで電源イベントが発生すると、スイッチの電源障害アラートが誤って生成されます

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hw
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環境

  • Cisco Nexus クラスタスイッチ

問題

  • スイッチに影響を与える電源イベントが発生し、これに続くEMSログには以下のアラートが散発的に表示されました。
Wed Aug 18 09:15:13 -0400 [node1: cshmd: hm.alert.raised:alert]: Alert Id = SwitchPowerFail_Alert , Alerting Resource = sw1(FOCXXXXXXXX)/PowerSupply-1 raised by monitor cluster-switch
Wed Aug 18 09:15:13 -0400 [node1: cshmd: hm.alert.raised:alert]: Alert Id = SwitchPowerFail_Alert , Alerting Resource = sw1(FOCXXXXXXXX)/PowerSupply-2 raised by monitor cluster-switch
Wed Aug 18 09:15:13 -0400 [node1: cshmd: hm.alert.raised:alert]: Alert Id = SwitchPowerFail_Alert , Alerting Resource = sw2(FOCXXXXXXXX)/PowerSupply-2 raised by monitor cluster-switch
  • PSU が物理的にチェックされ、正常に動作していることが確認されている場合でも、この問題に関するヘルスアラートはクリアされると再度表示されます
  • 影響を受けるPSUが機能していることが確認されましたが、スイッチからは次のように表示されます。

`show environment`

switch1: Power Supply: Voltage: 12 Volts Power Actual Actual Total Supply Model Output Input Capacity Status (Watts ) (Watts ) (Watts ) ------- ---------- --------------- ------ ---------- -------------------- 1 NXA-PAC-650W-PE 0 W 0 W 0 W Shutdown 2 NXA-PAC-650W-PE 0 W 0 W 0 W Shutdown switch2: Power Supply: Voltage: 12 Volts Power Actual Actual Total Supply Model Output Input Capacity Status (Watts ) (Watts ) (Watts ) ------- ---------- --------------- ------ ---------- -------------------- 1 NXA-PAC-650W-PE 84 W 95 W 650 W Ok 2 NXA-PAC-650W-PE 0 W 0 W 0 W Shutdown 


 

 


 

 

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