Virtual addressing with multiple lookup tables and RAID stripes
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United States of America Patent
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May 24, 2016
Grant Date -
Mar 27, 2014
app pub date -
Mar 15, 2013
filing date -
Sep 24, 2012
priority date (Note) -
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Abstract
A method of relating the user logical block address (LBA) of a page of user data to the physical block address (PBA) where the data is stored in a RAID architecture reduces to size of the tables by constraining the location to which data of a plurality of LBAs may be written. Chunks of data from a plurality of LBAs may be stored in a common page of memory and the common memory pages is described by a virtual block address (VBA) referencing the PBA, and each of the LBAs uses the same VBA to read the data.
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