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Dell EMC PowerEdge R340 安装和服务手册

热备盘功能

您的系统支持热备盘功能,可显著减少与电源装置 (PSU) 冗余相关的电源开销。

启用热备盘功能时,一个冗余 PSU 切换为休眠状态。活动 PSU 支持 100% 负载,因此在较高效率下工作。处于休眠状态的 PSU 监测活动 PSU 的输出电压。如果活动 PSU 的输出电压下降,处于休眠状态的 PSU 将恢复活动输出状态。

如果两个 PSU 都处于活动状态比一个 PSU 处于休眠状态效率更高,则活动 PSU 也可激活处于休眠状态的 PSU。

默认 PSU 设置如下:

  • 如果活动 PSU 上的负载超过 50%,冗余 PSU 切换为活动状态。
  • 如果活动 PSU 上的负载低于 20%,冗余 PSU 将切换为休眠状态。

您可以使用 iDRAC 设置来配置热备盘功能。有关 iDRAC 设置的更多信息,请参阅《Integrated Dell Remote Access Controller User’s Guide》(Integrated Dell Remote Access Controller 用户指南)。


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