备份介质服务器将备份流送到虚拟磁带库，它顺序地写数据，即以原来的磁带格式写到磁盘存储器。
A backup media server sends backup streams to a virtual tape library, which writes the data sequentially that is, in native tape format to disk storage.
虚拟磁带库模拟基于工业标准的物理磁带机和磁带库，让它们自己以磁带形式面对所有常见的备份软件。
The virtual tape libraries emulate industry-standard-based physical tape drives and libraries, presenting themselves as tape to all of the common backup software applications.
本文设计并实现了嵌入式虚拟磁带库(VTL)的SCSI控制器驱动模块，它完成数据传输、SCSI命令处理和任务管理等VTL的核心功能。
A SCSI controller driver module of Embedded Virtual Tape Library is designed in this paper. It realizes core functions of VTL such as data transformation, SCSI commands operation and task management.
本文设计并实现了嵌入式虚拟磁带库(VTL)的SCSI控制器驱动模块，它完成数据传输、SCSI命令处理和任务管理等VTL的核心功能。
A SCSI controller driver module of Embedded Virtual Tape Library is designed in this paper. It realizes core functions of VTL such as data transformation, SCSI commands operation and task management.
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