Selection of data storage medium based on write characteristic
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United States of America Patent
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Dec 10, 2013
Grant Date -
Aug 16, 2012
app pub date -
Mar 29, 2012
filing date -
Aug 30, 2006
priority date (Note) -
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Abstract
A hybrid hard disk drive includes a hard disk drive controller to receive a plurality of write commands from a host, a buffer to receive and store write data, which are input through the hard disk drive controller and correspond to each of the plurality of write commands, a command history tracker to receive the plurality of write commands and analyze a pattern of the plurality of write commands, and a CPU to control storage of the write data, which correspond to each of the plurality of write commands, on a disk or in a flash memory device based on the analysis result by the command history tracker. The drive may determine whether to store write data on the disk or in the flash memory device without operation system support.
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