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ルートボリュームの遅延によるONTAPシステムパニック

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Category:
ontap-9
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CORE
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環境

  • NetApp ONTAP 9
  • NetApp ONTAP Select
  • NetApp Cloud Volumes ONTAP(CVO)

問題

  • システムの動作が遅くなり、応答しなくなります。
  • NAS共有が利用できなくなる可能性があります。
  • EMSログには次のパニック文字列が表示されます:
mgwd: assertion (0) at src/rdb/TM.cc:3838 failed, raising SIGABRT(6) at RIP 0x81d714d9a (pid 2720, uid 0, timestamp 1667352600)
  • アグリゲートは不明なステータスとして表示される場合がありますが、それ以外はオンラインのままで、データを提供しています。
  • Advancedコマンド cluster ring showでは、ノードとの通信のタイムアウト/失敗が表示される場合があります:

Warning: Unable to list entries on node cluster-01. Timeout: Operation "cluster_ring_iterator::next_imp()" took longer than 25 seconds to complete [from mgwd on node "cluster-01" (VSID: -1) to mgwd at 169.254.1.123]
 Error: show failed: Timeout: Operation "cluster_ring_iterator::next_imp()" took longer than 25 seconds to complete [from mgwd on node "cluster-01" (VSID: -1) to mgwd at 169.254.1.123]

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