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由于System.Net.Sockets.SocketException随机发生、SnapCenter备份作业失败

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适用场景

  • SnapCenter 服务器
  • SnapCenter 服务器与插件主机之间没有防火墙

问题描述

  • 由于SnapCenter服务器主机端或插件主机上随机发生System.Net.Sockets.SocketException 、SnapCenter备份作业失败。
  • 此错误显示在SnapCenter服务器上的SnapManagerWeb_<JOBID>.log 或插件主机上的SMCore_<JOBID>.log 中。

示例:

ERROR SMCore_309 PID=[9244] TID=[36] PostRequestAsync exception : System.Net.Http.HttpRequestException: An error occurred while sending the request.
---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.
--->System.Net.Sockets.SocketException (10054): An existing connection was forcibly closed by the remote host.

  • 远程主机端的作业日志和Windows事件日志没有错误。
  • 发生错误的备份作业阶段或操作是随机的且不一致的。
  • 根据发生错误的阶段、作业状态将保持运行状态、并且永远不会完成。
  • 有时、此作业会在 SnapCenter服务器上的SnapManagerWeb_<JOBID>.log 或插件主机上的SMCore_<JOBID>.log 中持续运行、而不会显示任何显式错误。
  • 在SnapCenter服务器端和插件主机端捕获的数据包跟踪显示了许多TCP重新传输和丢失的数据包。

 

 

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