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Storepool Owner / OpenStateの枯渇が原因でNFSv4ファイルアクセスエラーが発生する

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ontap-9
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nas<a>2009632974</a>
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環境

  • ONTAP 9
  • NFSv4.0
  • NFSv4.1

問題

  • NFSクライアントがNFSv4ファイルを開けません:読み取り/書き込み処理がハングし、削除処理が成功しました
  • EMSからstorepoolがイベントで使い果たされたことが報告される Nblade.nfsV4PoolExhaust
Mon Jul 10 12:08:05 +0200 [node1: kernel: Nblade.nfsV4PoolExhaust:EMERGENCY]: NFS Store Pool for Owner exhausted. Associated object type is CLUSTER_NODE with UUID: b0a0988f-4456-11e6-8542-4190267aa11b.
10/15/2023 00:06:20 node1  EMERGENCY     Nblade.nfsV4PoolExhaust: NFS Store Pool for OpenState exhausted. Associated object type is CLUSTER_NODE with UUID: 63aab6cf-082f-11eb-96f3-d039ea23c688.
  • 上位のコンシューマIPは、イベントをチェックすることで識別されます。 PerClientStorePoolThreshold
::> event log show -event PerClientStorePoolThreshold
  • トップコンシューマがマウントするデータインターフェイスを特定する
::> network connections active show-clients -remote-address <Topconsumer>

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