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适用于 Dell EMC PowerEdge 服务器的 Microsoft Windows Server 2019 发行说明

I/O 错误或虚拟机无响应

说明
此问题出现在为故障转移群集配置的 Dell EMC 硬件上,该硬件连接了托管多个虚拟机且启用多路径 I/O (MPIO) 的共享存储。如果您对 PowerEdge MX5016s 存储扩展器模块进行多次移除和安装,或者您移除并安装 PowerEdge MX5000s SAS I/O 模块,则会发生 I/O 错误,虚拟机进入无响应或故障状态。此问题可能会导致群集共享卷进入故障状态。
修复
  1. 安装最新的服务堆栈更新 (SSU),并更新 https://support.microsoft.com/en-us/help/4457127 或更高版本的累积更新。
  2. 在所有群集节点上的以下注册表路径中创建注册表项 Reg_DWORD,取值 0x1

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorPort\QoSFlags

  3. 重新启动这些节点以启用该注册表项。
受影响的系统
  • 具有 PowerEdge MX740c 或 PowerEdge MX840c 计算节点和 PowerEdge MX5016s 存储底座的 PowerEdge MX7000 机箱。
  • 任何连接了外部存储阵列的 Rx4x 或 Tx4x PowerEdge 服务器。
跟踪号码
103498

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