Efficiently storing data in a dispersed storage network
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United States of America Patent
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May 31, 2016
Grant Date -
Apr 7, 2016
app pub date -
Nov 30, 2015
filing date -
Jan 31, 2012
priority date (Note) -
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Abstract
A method includes determining that one or more data blocks of a permanently stored data blocks are to be deleted. In response, the method further includes obtaining a group of partial redundancy data for the permanently stored data blocks. The method further includes identifying a temporarily stored plurality of data blocks for which partial redundancy data does not yet exist. The method further includes creating a new plurality of data blocks from data blocks of the permanently stored plurality of data blocks that are to remain permanently stored and data blocks from the temporarily stored plurality of data blocks that are to be permanently stored. The method further includes permanently storing the new plurality of data blocks. The method further includes generating a new group of partial redundancy data. The method further includes sending the new group of partial redundancy data and the group of partial redundancy data.
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