了解如何使用事务日志、多种mail . box和多种磁盘驱动控制器来提高性能。

Learn how to increase performance using transaction logging, multiple mail.boxes, and multiple disk drive controllers.

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实际上，缓冲可能发生在其它不同的级别，例如硬盘本身、控制器或内核磁盘驱动设备驱动程序，所以我们的工作可能对性能影响不大。

In practice, buffering may occur at various other levels, such as on the hard disk itself, the controller, or the kernel disk drive device driver, so ours may not make much of a difference.

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如果存储控制器连接了多个磁盘，您不能将这些磁盘驱动器分配给多个分区。

If a storage controller has multiple disks attached to it, you cannot allocate the disk drives to more than one partition.

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