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SOLID-STATE HARD DISK AND DATA ACCESS METHOD FOR USE WITH SOLID-STATE HARD DISK
SOLID-STATE HARD DISK AND DATA ACCESS METHOD FOR USE WITH SOLID-STATE HARD DISK
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机译:固态硬盘和用于固态硬盘的数据访问方法
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摘要
Solid-state drives (SSD) and a data access method for SSD are provided. The method includes the following. Cache acquired data-to-be-written to a preset write cache module. Rank the data-to-be-written in the write cache module according to a least recently used page (LRU) algorithm. When data storage amount of the write cache module reaches a preset value, determine a preset number of replacement data among the infrequently used data-to-be-written according to a preset cache replacement algorithm. Write the replacement data into a flash memory of the SSD. Implementations of the present disclosure can decrease effectively the number of times of rewriting on a flash memory of the SSD, thereby reducing effectively a write amplifying problem of the SSD during data access.
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