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Azure HAペアの両方のCVOノードが同じメンテナンスイベントの影響を受けます

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Category:
cloud-volumes-ontap-cvo<a>2009365483</a>
Specialty:
core
Last Updated:

環境

  • ONTAP 9
  • Cloud Volumes ONTAP(CVO)
  • Microsoft Azure

問題

  • クラウドプロバイダのメンテナンスイベントが原因で、両方のノードで1分以内にフリーズイベントが発生します

Sat Nov 12 12:01:07 -0500 [CVONODE-02: mgwd: vsa.scheduledEvent.scheduled:alert]: Cloud provider event scheduled for node [CVONODE-01". ID: 96CABDCB-D34C-4EE0-A425-BFEA34D31ADD. Type: freeze. Not before: 11/12/2022 12:15:43.
Sat Nov 12 12:01:50 -0500 [CVONODE-02: notifyd: callhome.invoke:notice]: Call home for USER_TRIGGERED (TEST:MAINT=1h Cloud Provider Maintenance Event. Status: scheduled. Type: freeze. VM: [CVONODE-vm2.)

Sat Nov 12 12:01:21 -0500 [CVONODE-01: mgwd: vsa.scheduledEvent.scheduled:alert]: Cloud provider event scheduled for node [CVONODE-02". ID: 4C50DF59-6939-473E-90E0-2200FFBF45E6. Type: freeze. Not before: 11/12/2022 12:15:43.
Sat Nov 12 12:02:01 -0500 [CVONODE-01: notifyd: callhome.invoke:notice]: Call home for USER_TRIGGERED (TEST:MAINT=1h Cloud Provider Maintenance Event. Status: scheduled. Type: freeze. VM: [CVONODE-vm1.)

  • フリーズイベントを受け取った最初のCVOノードは、停止を試み、パートナーによってテイクオーバーされます
  • パートナーノードがテイクオーバーを開始しますが、クラウドプロバイダのバックエンドで障害が発生すると、ディスクへのアクセスが失われてパニック状態になります
  • 両方のノードが停止しており、予期せぬ停止を引き起こしています

 

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