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由于交换机SFP出现故障、Windows主机上的性能问题描述

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brocade<a>2009634318</a>
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适用场景

  • G6xx Brocade
  • E 系列
  • Windows
  • FC

问题描述

  • 如果服务器 通过介于两者之间的Brocade交换机连接到NetApp E系列存储、则用户的读写操作将会非常困难。
  • 连接到Brocade交换机的Windows服务器 遇到 以下错误消息。
The IO operations at logical block address 0×14715xxxx for disk 2 (PDO name:\Device\MPIODisk0)was retried.
 
 
clipboard_e549a54fa7c06e72597f030ac9b2a74d0.png
  • 在E系列以下端的事件中会观察到FC链路错误。

Error Critical 135950 1207 Fibre channel link errors - threshold exceeded0/0/0 Channel Host-side: controller in bay B, port 2 Controller in bay B true true true

  • 分析Brocade supportsave日志后、我们可以看到 、交换机的端口1上报告的Tx较低、该端口连接到受影响的Windows服务器。
RX Power:   -4.3   dBm (375.8uW)
TX Power:   -7.2   dBm (188.8 uW)
  • 低TX表示交换机上具有SFP的问题描述。

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