The virtual OS instance can access the mounted file systems without any issues, but direct mounting from OS instance is not possible.

虚拟OS实例可以正常访问挂载的文件系统，但是无法直接从OS实例挂载文件系统。

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The first copy (see Figure 1) is performed by the direct memory access (DMA) engine, which reads file contents from the disk and stores them into a kernel address space buffer.

直接内存存取(direct memory access, DMA)引擎执行了第一次拷贝(参见图1)，它从磁盘中读取文件内容，然后将它们存储到一个内核地址空间缓存区中。

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This paper introduces the design & implementation of a parallel file system based on direct data access, and gives out the primary functions and key technologies of parallel file system.

该文介绍了一种基于直接数据访问的并行文件系统的设计和实现，阐明了该并行文件系统具备的主要功能及解决的关键技术问题。

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The container also facilitates direct access to file systems and document sharing such as SharePoint, without the additional encumbrance of entering a unique URL into a browser or multiple sign-ons.

FORBES: Advantages of the MobileSpan Approach

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