SHINGLED MAGNETIC RECORDING SYSTEM WITH ADAPTIVE WRITE BUFFER AREA
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United States of America Patent
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Issued Date -
Apr 23, 2015
app pub date -
Oct 18, 2013
filing date -
Oct 18, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Techniques for writing data to a buffer region of a magnetic disk are described. In one example, a hard disk drive comprises a magnetic disk comprising a data buffer region including a first zone and a second zone. Data may be written to the magnetic disk using shingled magnetic recording (SMR) and the buffer region may be an exception region (E-region). A hard disk drive may be configured to calculate a position accuracy value associated with a data writing head. The hard disk drive may select one of the zones based on the position accuracy value. Further, a selected zone may have a determined zone format. The hard disk drive may be configured to write data to the selected zone using the determined zone format.
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