Data management in RAID environment
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United States of America Patent
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Apr 24, 2018
Issued Date -
N/A
app pub date -
Jun 16, 2015
filing date -
Sep 8, 2014
priority date (Note) -
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Abstract
A data storage system includes a plurality of Data Storage Devices (DSDs) that each includes at least one disk for storing data. Data is received for storage in a data stripe across the plurality of DSDs with each DSD of the plurality of DSDs storing a different portion of the data stripe. A strip size is determined for each portion of the data stripe based on a radial location where the portion of the data stripe will be stored on the at least one disk of its respective DSD. The data stripe is stored across the plurality of DSDs with each portion of the data stripe arranged in a radial location on the at least one disk of its respective DSD so that, when the data stripe is accessed, the radial locations of access in the plurality of DSDs progress in the same radial direction.
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