The topology editor creates a matching bound virtual image unit (Figure 20) that contains disk definition units and network connection units, according to the data in the virtual image file.

拓扑编辑器创建了一个匹配的虚拟镜像单元(图20)，根据虚拟镜像的数据，它包含了硬盘定义单元以及网络连接单元。

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Section is the unit to allocate disk space. It makes the distribution of data blocks on disk more continuous and enhances the efficiency of large file access.

存储服务器采用对象的方式维护数据块，使用区段的形式分配空间，使数据块在磁盘上分布更加连续，提升了大文件访问的效率。

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Thereafter, the controller searches a storage unit, such as a hard disk, for a file name having the same content name as that of the loaded recording medium.

其后，控制器在存储单元中检索具有与被装载记录介质相同内容名称的文件名。

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