Data storage device using two types of storage medium
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United States of America Patent
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Jan 24, 2012
Grant Date -
Mar 12, 2009
app pub date -
Jan 24, 2007
filing date -
Feb 14, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A data storage device includes two data storage media: both a hard disk and a non-volatile solid state memory device, such as a flash memory. Data received by the data storage device for storage is stored both in the hard disk and the flash memory. Since the data storage is duplicated, if a problem arises with retrieving data from one of the hard disk, the data can be retrieved from the flash memory.
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