Systems and methods for maintaining distributed data
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United States of America Patent
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Sep 14, 2010
Grant Date -
Apr 26, 2007
app pub date -
Oct 21, 2005
filing date -
Oct 21, 2005
priority date (Note) -
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Abstract
Systems and methods are disclosed that provide an indexing data structure. In one embodiment, the indexing data structure is mirrored index tree where the copies of the nodes of the tree are stored across devices in a distributed system. In one embodiment, nodes that are stored on an offline device are restored, and an offline device that comes back online is merged into the distributed system and given access to the current indexing data structure. In one embodiment, the indexing data structure is traversed to locate and restore nodes that are stored on offline devices of the distributed system.
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