Data migration between storage devices
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United States of America Patent
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May 12, 2015
Grant Date -
May 2, 2013
app pub date -
Oct 30, 2012
filing date -
Oct 31, 2011
priority date (Note) -
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Abstract
A method for data migration between storage devices according to an embodiment of the invention comprises: collecting an original time domain sequence of workload parameters of a data volume in a low speed storage device; evaluating a workload period of the data volume based on the collected original time domain sequence of the workload parameters; and migrating the data in the data volume according to the evaluated workload period so that the data is located in a high speed storage device during a workload peak of the data volume. The embodiments of the invention can improve a data access speed in the storage devices.
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