Another primary way that storage virtualization is classified is whether it is in-band or out-of-band.
另一种主流的对存储虚拟化分类的办法是，它是可控制的还是非控制的？
In-band means storage virtualization was realized on the path from host to storage device and out-of-band means storage virtualization was finished before loading data.
前者于数据读写过程中，在主机到存储设备的路径上实现。后者在读写前已作好虚拟。
In-band means storage virtualization was realized on the path from host to storage device and out-of-band means storage virtualization was finished before loading data.
前者于数据读写过程中，在主机到存储设备的路径上实现。后者在读写前已作好虚拟。
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