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当客户端发送一个 SYN, 并且连接从未建立时、 ONTAP 会使用 TCP ACK 进行响应

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Category:
ontap-9
Specialty:
nas<a>TCP</a><a>1008768</a><a>半打开连接</a><a>客户端挂起</a><a>陈旧的NFS挂载</a>
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适用场景

  • Data ONTAP 7-模式
  • 集群模式 Data ONTAP
  • ONTAP 9
  • TCP以及客户端可能使用的任何顶层协议、例如：NFS、CIFS、iSCSI

问题描述

  • 客户端无法建立新的TCP会话
  • ONTAP 仅使用 SYN 响应客户端的 ACK
  • 客户端会关闭某个会话、但 FIN 从未将其应用到存储器
  • 客户端正在尝试使用与先前连接相同的TCP源端口建立新会话

 

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