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TEMPERATURE-BASED DISK DEFRAGMENTATION

机译:基于温度的磁盘碎片整理

摘要

A method for minimizing head seek movement and improving I/O performance of a hard disk drive is disclosed. In one embodiment, such a method includes logically dividing storage space of a hard disk drive into storage areas of substantially equal size. The method monitors a temperature of each of the storage areas. The temperature indicates how frequently data in a corresponding storage area is accessed. The method swaps data in storage areas of the hard disk drive based on temperature. These swaps involve moving hotter data toward outer tracks of the disk drive and colder data toward inner tracks of the disk drive. A corresponding system and computer program product are also disclosed.
机译:公开了一种最小化磁头寻道运动并改善硬盘驱动器的I / O性能的方法。在一个实施例中,这种方法包括在逻辑上将硬盘驱动器的存储空间划分为大小基本相等的存储区域。该方法监视每个存储区域的温度。温度指示访问相应存储区域中数据的频率。该方法根据温度交换硬盘驱动器存储区域中的数据。这些交换涉及将较热的数据移向磁盘驱动器的外部磁道,将较冷的数据移向磁盘驱动器的内部磁道。还公开了相应的系统和计算机程序产品。

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