With a Snapshot, you are provided with two copies of the same lv-one can be used for backup purposes while the other continues in operation.
通过使用快照，可以获得同一lv的两个拷贝——一个可以用于备份，另一个继续用于日常操作。
We will snapshot the old servers, boot up identical copies and mount the snapshots and configure the servers identically to the environment you cloned from.
我们会为旧服务器做一个快照，启动对应的拷贝，并载入快照以及根据所克隆的环境来配置服务器。
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