File distribution system in which partial files are arranged according to various allocation rules associated with a plurality of file types
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United States of America Patent
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Nov 17, 2009
Grant Date -
Apr 24, 2008
app pub date -
Dec 6, 2007
filing date -
Mar 17, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
In a distributed file system, when a user requests a computer to create a distributed file, a management computer acquires a list of computers complying with an allocation rule selected by the user from allocation rules taking the performance, security level, reliability level and utility rate into consideration. When the user requests the computer to access the distributed file, on the other hand, the partial files and the server information are collected from each computer. Each computer evaluates the allocation of the partial files based on the selected allocation rule and the server information from each computer, and if required, selects a destination computer and instructs the partial files to be moved to the destination computer.
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