Data de-duplication
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United States of America Patent
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Apr 25, 2017
Grant Date -
Mar 5, 2015
app pub date -
Jul 21, 2014
filing date -
Aug 29, 2013
priority date (Note) -
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Abstract
A method and device for data de-duplication, comprising: performing data chunk partition on a current data object by using a different standard in each of a plurality of logical passes; searching one or more first redundant data chunks of the current data object in each logic pass based on the data chunks partitioned on the current data object in the logical pass, respectively, and performing data de-duplication on the current data object based on all of the found first redundant data chunks of the current data object. Other embodiments of the present invention may also relate to a data de-duplication system and a corresponding computer program product.
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