电子硬盘的NAND闪存地址映射策略 |
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引用本文: | 王伟能,马建设,潘龙法. 电子硬盘的NAND闪存地址映射策略[J]. 记录媒体技术, 2009, 0(1) |
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作者姓名: | 王伟能 马建设 潘龙法 |
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作者单位: | 清华大学光盘国家工程研究中心深圳分中心; |
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摘 要: | 闪存地址映射策略是电子硬盘闪存管理的核心技术,决定了电子硬盘的读写速度,闪存寿命等一系列重要的性能指标。本文详细研究了页映射、块映射和混合映射三种地址映射策略,分析了各自优缺点,为设计电子硬盘闪存管理提供了指导性建议。
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关 键 词: | 映射策略 页映射表 地址映射 页地址 混合映射 电子硬盘 转换层 写人 存储单元 闪存 |
NAND SSD address mapping strategy |
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Abstract: | Memory address mapping strategy is core technology of E-disk flash memory management, deciding a series of important performance indicators,such as read and write speed of E-disk, flash memory lifetime.In this paper,to provide guidance for the design of E-disk flash memory management,a detailed study of page mapping,block mapping and hybrid mapping,analysis of their advantages and disadvantages have been accompished. |
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