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Flash Cacheの障害が原因でノードがパニック状態になる

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Category:
ontap-9
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hw
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環境

  • ONTAP 9
  • Flash Cache

問題

  • EMSログで次のFlash Cache NVMeオフラインアラートが生成されます。

HA Group Notification (Flash Cache NVMe Offline) ALERT

  • 次のメッセージが表示されてノードがパニック状態になり、テイクオーバー/ギブバックが自動的に実行され ます。

Panic String: Freeing freed block: pvbn 0 vvbn 306417665 in volumename@vserver:9b465b44-5102-11e9-9bb1-00a098fcXXXX. WAFL inconsistent.Contact NetApp technical support. in SK process wafl_exempt01 on release 9.5(C)

 

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