Selection of erasure code parameters for no data repair
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United States of America Patent
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Jul 22, 2014
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N/A
app pub date -
Feb 22, 2012
filing date -
Dec 30, 2011
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Abstract
An improved data storage technique achieves a desired level of reliability by providing sufficient redundancy in erasure coded data to maintain the data, without repair, for a prescribed period of time. The improved technique employs a newly devised, continuous-time Markov chain model. The model can be applied in computerized systems to establish erasure coding parameters for storing and reliably maintaining data for a designated period of time, without any need to repair the data to reestablish an original or previous level of erasure coding redundancy.
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