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由于网络拥塞、CIFS性能降低

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ontap-9
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适用场景

  • ONTAP 9
  • CIFS\ SMB

问题描述

  • 涉及CIFS共享上的文件的Microsoft Excel宏速度较慢
  • 吞吐量低于预期
  • 只有一个客户端受影响
  • 不会影响其他应用程序
  • 在ifstat -a中、相关端口和ifgroup上未增加错误计数器
  • 禁用Vscan和Fpolicy后、现象 不会发生变化
  • 数据包跟踪指示：
    • SMB2的延迟会从ONTAP 向客户端单方向增加
    • 无序数据包和(快速)重新传输
    • 拥塞控制

 

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