DATA STORAGE DEVICE, STORAGE CONTROLLER, AND DATA STORAGE CONTROL METHOD
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Jul 17, 2013
filing date -
Apr 19, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
According to one embodiment, a data storage device includes a first storage medium, a second nonvolatile storage medium, and a controller. The controller allows write data requested to be written from a host device to be recorded into the first storage medium which is a cache memory of the second storage medium according to a first recording method and allows read data that is read from the second storage medium to be recorded into the first storage medium according to a second recording method that provides lower reliability but larger memory capacity than the first recording method.
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