物理文件系统的布局如下图所示。
The layout of the physical filesystem can be broken down, as the following diagram shows.
虚拟文件系统是基础物理文件系统的抽象。
The virtual file system is an abstraction of the underlying physical file system.
DISK——指定存储存档日志的位置(物理文件系统)。
DISK - Specifies the location (the physical filesystem) to store the archived logs.
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