Data storage method and storage server
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United States of America Patent
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Aug 15, 2017
Issued Date -
N/A
app pub date -
May 23, 2016
filing date -
Nov 26, 2013
priority date (Note) -
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Abstract
Embodiments of the application disclose a data storage method and a storage server. The method includes: detecting actual usage of a hard disk corresponding to an initial capacity level in configured hard disk capacity levels; when it is determined, according to the detected actual usage, that the hard disk corresponding to the initial capacity level exceeds a limit, searching for a hard disk corresponding to a second highest capacity level and is higher than the initial capacity level; and when the hard disk corresponding to the second highest capacity level is obtained by searching, determining a migration ratio of a virtual node according to the initial capacity level, the second highest capacity level, and the actual hard disk capacity, and performing virtual node migration between hard disks that are corresponding to the configured hard disk capacity levels. By using the disclosure, hard disk capacity heterogeneousness in massive storage is supported.
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