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2.4. 灾难修复
当系统被虚拟化后,灾难修复的过程变得更加快捷和简单。在物理系统中,若一些严重问题发生,通常需要完整地重装操作系统,导致数小时的恢复时间。然而,在虚拟化的系统中,因为可以进行迁移,所以这个恢复过程将非常快速。若启用了实时迁移功能,虚拟机可以在另一台主机上进行重启,因此可能出现的最长停机时间只取决于客机数据恢复的时间。同时,由于虚拟化系统相互间完全独立,一个系统的故障不会影响到其他系统。

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