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ONTAP のアップグレード時にコントローラがパニック状態になり、データアクセスが失われました

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Category:
ontap-9
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core
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環境

  • ONTAP 9.3 - ONTAP 9.3P6
  • ONTAP 9.4 - ONTAP 9.4P1
  • 自動無停止アップグレード(ANDU)

問題

  • ノードが次のパニック文字列で停止します。

PANIC: process on cpu14 hung (wafl_exempt00) for 5001 milliseconds! in SK process wafl_exempt14 on release 9.3P6 (C)

  • ANDUプロセスのパートナーのテイクオーバーを開始した直後にノードがパニック状態になることがあります。

[controller02: svc_queue_thread: clam.notify.halt.result:debug]: CLAM was able to notify its HA partner node that the local node is undergoing a planned shutdown (reason: Local node shutting down). Error: 0

[controller02: cf_main: cf.fsm.firmwareStatus:info]: Failover monitor: partner Dumping core

 

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