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ルートボリュームの低速化が原因でONTAPシステムがパニック状態になる

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Category:
ontap-9
Specialty:
core
Last Updated:

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、 応答がなくなります。
  • NAS共有が使用できなくなる可能性があります。
  • EMSログに次のパニック文字列が表示される。
mgwd: assertion (0) at src/rdb/TM.cc:3838 failed, raising SIGABRT(6) at RIP 0x81d714d9a (pid 2720, uid 0, timestamp 1667352600)
  • アグリゲートのステータスが不明と表示されることがありますが、それ以外の場合はオンラインのままでデータを提供
  • アドバンストモード cluster ring showコマンド、ノードとの通信にタイムアウトやエラーが表示されることがあります。

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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