到目前为止，我在描述UNIX文件存储时都是假设存储设备是本地硬盘。
So far, I've described UNIX file storage as if it were confined to local hard disks.
添加虚拟化硬盘与网络链接单元之后，这种依赖性链接就会判断额外的信息，以描述虚拟镜像的配置了。
As with adding the virtual disk and network connection units, this dependency link augments the model with extra information to describe the configuration of the virtual image.
他把它描述为这么一个系统，“它拥有5000个处理器，总容量3.5PB的硬盘存储器(1PB=1024TB,1TB=1024GB,3.5PB大概是367万GB)，但却可以在一个晚上被一台拖车卸载装配完成。
He describes it as a system of "5,000 Opteron processors and 3.5 petabytes of disk storage that can be dropped off overnight by a tractor-trailer rig.
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