System and method for data protection with multidimensional parity
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United States of America Patent
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Nov 30, 2004
Grant Date -
Apr 25, 2002
app pub date -
Feb 13, 2001
filing date -
Feb 18, 2000
priority date (Note) -
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Abstract
A high availability, high reliability storage system that leverages rapid advances in commodity computing devices and the robust nature of internetwork technology such as the Internet. A system of parity distribution in accordance with the present invention allows for greater fault tolerance and levels of storage efficiency than possible with conventional RAID (levels 0-5) paradigms. Data can be recovered or made available even in the case of loss of N, N+1, or more devices or storage elements over which stripes of the data set have been distributed or partitioned. The present invention provides a parity distribution that can be used to distribute data stored in a single storage device or across multiple connected or otherwise networked devices.
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