Systems and methods for a distributed file system with data recovery
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United States of America Patent
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Jun 14, 2011
Grant Date -
Oct 2, 2008
app pub date -
Jun 9, 2008
filing date -
Aug 3, 2001
priority date (Note) -
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Abstract
The intelligent distributed file system enables the storing of file data among a plurality of smart storage units which are accessed as a single file system. The intelligent distributed file system utilizes a metadata data structure to track and manage detailed information about each file, including, for example, the device and block locations of the file's data blocks, to permit different levels of replication and/or redundancy within a single file system, to facilitate the change of redundancy parameters, to provide high-level protection for metadata, to replicate and move data in real-time, and to permit the creation of virtual hot spares among the smart storage units without the need to idle any single smart storage unit in the intelligent distributed file system.
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