作为一个虚拟磁盘，DRBD提供一个供各种应用程序使用的灵活模型(从文件系统到依赖于一个原始磁盘的其他应用程序，比如数据库)。
As a virtual disk, DRBD provides a flexible model that a variety of applications can use (from file systems to other applications that can rely on a raw disk, such as a database).
可以将数据库文件从磁盘复制到磁盘，也可以将数据库文件从磁盘复制到磁带，这取决于选定的备份过程。
The database files can be copied from disk to disk or from disk to tape, depending on the backup procedure chosen.
请求从集群磁盘驱动传递到微软存储驱动栈，并最终传递到与磁盘通讯的那个总线适配器。
The request is passed from the cluster disk driver to the Microsoft storage driver stack and finally to the driver specific to the HBA that communicates to the disks.
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