摘要
服务器数据备份是保证业务安全的一个重要保障。保证业务连续性的技术有很多种，如双机热备、服务器集群等。本文讲述基于服务器虚拟化技术实现多台服务器数据集中备份、双机热备，达到节省硬件投资的目的。
Abstract
The server data backup is an important safeguard traffic security. To ensure business continuity technology there are many, such as hot standby, server cluster. This paper on the use of server virtualization to realize multi server hot standby, saving hardware investment objective.
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