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CACHING OF DATA IN DATA STORAGE SYSTEMS BY MANAGING THE SIZE OF READ AND WRITE CACHE BASED ON A MEASUREMENT OF CACHE RELIABILITY
CACHING OF DATA IN DATA STORAGE SYSTEMS BY MANAGING THE SIZE OF READ AND WRITE CACHE BASED ON A MEASUREMENT OF CACHE RELIABILITY
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机译:通过基于缓存可靠性的测量来管理读写缓存的大小,从而对数据存储系统中的数据进行缓存
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摘要
A disk drive is disclosed that varies its caching policy for caching data in non-volatile solid-state memory as the memory degrades. As the non-volatile memory degrades, the caching policy can be varied such that the non-volatile memory is used more as a read cache and less as a write cache. Performance improvements and slower degradation of the non-volatile memory can thereby be attained.
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