Methods of processing files in a multiple quality of service system
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United States of America Patent
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Feb 11, 2014
Grant Date -
May 2, 2013
app pub date -
Dec 17, 2012
filing date -
Oct 8, 2005
priority date (Note) -
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Abstract
The invention relates to a multiple QoS file system and methods of processing files at different QoS according to rules. The invention allocates multiple VLUNs at different qualities of service to the multiQoS file system. Using the rules, the file system chooses an initial QoS for a file when created. Thereafter, the file system moves files to different QoS using rules. Users of the file system see a single unified space of files, while administrators place files on storage with the new cost and performance according to attributes of the files. A multiQoS file system enhances the descriptive information for each file to contain the chosen QoS for the file.
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