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有关NetApp MetroCluster IP中NVMe/FC协议支持的Linux主机建议

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适用场景

  • NetApp Interop Matrix Tool支持的Linux操作系统—RHEL、SLES和Oracle Linux。
  • 支持NVMe/FC协议的NetApp MetroCluster 解决方案。
  • 协商和计划外MetroCluster (使用调解器或中断器)站点切换工作流。
  • ONTAP 9.12.1 GA及更高版本。

问题描述

  • 在ONTAP MetroCluster IP切换期间、会遇到一个All Paths Down (APD)窗口、在此窗口中、主集群站点将切换到其二级/对等集群站点。
  • 在此APD窗口中、主机/客户端将无法访问所有NVMe命名空间设备、因为所有路径均已关闭。
  • 如果此APD窗口超过指定的时间间隔、则Linux NVMe/FC主机将放弃、从而导致覆盖的应用程序出现I/O错误。

 

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