虽然该工具最早是作为灾难恢复的磁盘克隆工具开发的，但它可以被用来将一个物理服务器实例转化成一个VM，以便于部署在一个虚拟基础设施内。

Although it was originally developed as a disk-cloning tool for disaster recovery, you can use it to convert a physical server instance into a VM for easy deployment into a virtualized infrastructure.

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虚拟 I/O 服务器将逻辑 I/O 设备分配给分区，如虚拟 SCSI 磁盘和虚拟以太网。

Virtual I/O Server hosts logical I/O devices to the partitions, such as virtual SCSI disks and virtual Ethernet.

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在本文的情景中，这能够找到哪些磁盘用于虚拟机，还有哪些数据是用于MapReduce服务本身。

In this scenario it would allow discovery of which disks are used for the virtual machines and also which data is used for the MapReduce service itself.

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