Parity chunk operating method and data server apparatus for supporting the same in distributed raid system
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United States of America Patent
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Aug 9, 2016
Grant Date -
May 28, 2015
app pub date -
Apr 3, 2014
filing date -
Nov 27, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to operating a parity chunk, and a parity chunk operating method, in an environment dividing data of a file by a chunk unit, constituting a stripe by calculating a parity for a failure recovery, dispersely storing a data chunk and a parity chunk included in the stripe in multiple data servers, comprising the steps of: storing a data chunk and a parity chunk of a stripe structure in data servers; generating a partial parity using a previous data chunk in the storing step of a update data chunk by the data server storing the data chunk; and transmitting a partial parity to the data server storing the parity chunk, and a data server apparatus for supporting the same are disclosed.
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