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如何对主机冗余丢失警报进行故障排除

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状态信息

适用场景

NetApp E 系列

问题描述

  • Recovery Guru和重大事件日志(MEL)报告以下错误:
    • Loss of host-side connection redundancy detected
    • Volume not on preferred path due to AVT/RDAC failover
  • 主机冗余丢失表示主机只有一个控制器的路径。发生这种情况的主要原因有两个:
    1. 此主机仅设置为用于连接到一个控制器。
    2. 主机丢失网络结构中的一条路径、导致一个控制器的路径出现故障。这可能是以下任一原因造成的。
      • 环境变化、例如布线变化。
      • SAN错误发生原因 失败路径。

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