Data integrity validation in a computing environment
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United States of America Patent
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May 8, 2012
Grant Date -
Apr 8, 2010
app pub date -
Oct 6, 2008
filing date -
Sep 24, 2007
priority date (Note) -
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Abstract
A method for validating data in a data storage system comprising associating a first data chunk with first check data and storing the first data chunk and the first check data on a first storage device. Additional associated data chunks of the first data and associated additional check data are stored on at least one of the first storage device or one or more additional storage devices. At least a portion of the first check data and at least a portion of the additional check data are stored to a second storage device, which is distinct from the first storage device and the additional storage devices. I/O access to the second storage device is minimized by retaining at least a portion of the first check data and at least a portion of the additional check data in a readily accessible storage medium, during servicing of a first I/O request.
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