Data revision synchronization in a dispersed storage network
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United States of America Patent
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Aug 26, 2014
Grant Date -
Mar 24, 2011
app pub date -
Nov 24, 2010
filing date -
Oct 9, 2007
priority date (Note) -
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Abstract
A method begins by a processing module determining dispersed storage (DS) units that are storing a set of encoded data slices associated with a data segment and sending a revision level check request message to each of the DS units. The method continues with the processing module receiving revision level check response messages from at least some of the DS units within a time period to produce received revision level check response messages and determining concurrency of a revision level of the set of encoded data slices stored by the DS units based on the received revision level check response messages. The method continues with the processing module initiating a revision concurrency process when less than a threshold number of encoded data slices have concurrency of the revision level.
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