Hybrid media storage system architecture
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United States of America Patent
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Sep 15, 2015
Grant Date -
Feb 10, 2011
app pub date -
Feb 11, 2009
filing date -
Feb 12, 2008
priority date (Note) -
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Abstract
A hybrid media storage architecture has a log-structured file system configured to control a plurality of different storage media organized as hybrid storage media that cooperate to provide a total storage space of a storage system. The log-structured file system is configured to perform initial placement and migration of data, as well as fine-grain write allocation of the data, among storage space locations of the hybrid storage media to thereby improve the performance characteristics of the media. By defining and implementing heuristics and policies directed to, e.g., types of data, the file system may initially place data on any of the different media and thereafter migrate data between the media at fine granularity and without the need for manual enforcement.
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