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SMBマルチチャネルを有効にした場合、遅延書き込み失敗とSMB切断が発生する

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ontap-9
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nas<a>2009964420</a>
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環境

  • ONTAP 9
  • CIFS / SMB
  • SMB マルチチャネル

問題

  • SMB 3.1.1とSMBマルチチャネルを使用するWindowsシステムが切断されています。
  • Windowsイベントビューアレポート：
    {Delayed Write Failed} Windows was unable to save all the data for the file xxxxxxxxxxxx; the data has been lost. This error may be caused by network connectivity issues. Please try to save this file elsewhere.
  • パケットトレースには、
    • STATUS_LOCK_NOT_GRANTED
    • Lease Break Notification
    • STATUS_FILE_CLOSED
  • SKTraceレポート：
    • rt=1171  RESULT_ERROR_CIFS_SMB_CREDITS_MAX_MID_RANGE_HIT

 

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