Adjusting a dispersal parameter of dispersedly stored data
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United States of America Patent
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Sep 23, 2014
Grant Date -
Oct 4, 2012
app pub date -
Mar 6, 2012
filing date -
Apr 1, 2011
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Abstract
A method begins by a processing module storing data files utilizing a dispersed storage error coding function that includes a pillar width parameter and a decode threshold parameter. The method continues with the processing module determining whether to adjust the pillar width parameter based one or more memory performance characteristics. When the pillar width parameter is to be decreased, the method continues with the processing module identifying one or more pillars within a memory to delete to produce one or more identified pillars, identifying encoded data slices of one or more of the data files stored in the one or more identified pillars to produce identified encoded data slices, and deleting the identified encoded data slices.
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