Method to establish redundancy and fault tolerance better than RAID level 6 without using parity
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United States of America Patent
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Feb 7, 2012
Grant Date -
Sep 29, 2011
app pub date -
Mar 26, 2010
filing date -
Mar 26, 2010
priority date (Note) -
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Abstract
An apparatus comprising a logically contiguous group of at least three drives, a first loop, a second loop, and a compression/decompression circuit. Each of the drives comprises (i) a first region configured to store compressed data of a previous drive, (ii) a second region configured to store uncompressed data of the drive, (iii) a third region configured to store compressed data of a next drive. The first loop may be connected to the next drive in the logically contiguous group. The second loop may be connected to the previous drive of the logically contiguous group. The compression/decompression circuit may be configured to compress and decompress the data stored on each of the drives.
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