一旦问题硬件恢复正常，这些资源可以保持在原地，也可以返回原始服务器。

Once the hardware becomes available again, the resources can remain where they are or go back to the original server.

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提供故障自动检测：为了提供真正的硬件恢复，您需要某种形式的故障自动检测。

Providing automated detection of failures: to provide true hardware recovery, you need some form of automated detection of failures.

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使用热插拔硬件设备：硬件恢复时间可通过使用磁盘、网卡之类的热插拔硬件设备来达到最小化。

Using hot swap hardware facilities: Hardware recovery time can be minimized by using hot swap hardware facilities such as disks, network cards, and so on.

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