在实践中，大多数用户不需要关心DB 2对XML数据采用的新的物理存储管理体系结构。
As a practical matter, most users won't need to concern themselves with DB2's new physical storage management architecture for XML data.
这些管理数据存储在卷组的各个物理卷中。
This management data is stored on each physical volume of the volume group.
虚拟抽象被运用到服务器和存储，这样可以进行逻辑管理，而不是一个个的物理实体。
Virtual abstraction is employed so that servers and storage can be managed as logical rather than individual physical entities.
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