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NFSv4サーバで「check lease failed」というエラーが表示されるのはなぜですか。

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Category:
ontap-9
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nas
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環境

  • ONTAP 9
  • NFS

回答

  • nfs4ではUIDではなくユーザ名が使用されるため、応答を取得するには、ディレクトリの所有者IDとグループ所有者のUID/GIDを変換する必要があります。TCP接続が成功しても実際のクエリを取得できない場合は、すべてのクエリがタイムアウトします。これは非確定的なエラーであり、ONTAPはERR_DELAY/CHECK LEASE FAILEDで応答します。
    • ネームサービスクエリが正常に送受信されていることを確認します。

エラーの例:  

05 2024-06-20 14:50:15.391804 10.119.0.189 10.116.63.75 NFS V4 Call (Reply In 706) LOOKUP DH: 0x621709ce/cfstorep2 706 2024-06-20 14:50:15.391971 10.116.63.75 10.119.0.189 NFS V4 Reply (Call In 705) LOOKUP | GETATTR Status: NFS4ERR_DELAY 708 2024-06-20 14:50:15.491445 10.119.0.189 10.116.63.75 NFS V4 Call (Reply In 709) LOOKUP DH: 0x621709ce/cfstorep2 709 2024-06-20 14:50:15.491628 10.116.63.75 10.119.0.189 NFS V4 Reply (Call In 708) LOOKUP | GETATTR Status: NFS4ERR_DELAY 711 2024-06-20 14:50:15.691432 10.119.0.189 10.116.63.75 NFS V4 Call (Reply In 712) LOOKUP DH: 0x621709ce/cfstorep2 712 2024-06-20 14:50:15.691731 10.116.63.75 10.119.0.189 NFS V4 Reply (Call In 711) LOOKUP | GETATTR Status: NFS4ERR_DELAY

 

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