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Systems and methods for improving sequential data rate performance using sorted data zones

  • US 8,902,527 B1
  • Filed: 02/28/2014
  • Issued: 12/02/2014
  • Est. Priority Date: 03/22/2010
  • Status: Active Grant
First Claim
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1. A disk drive comprising:

  • one or more disks having a plurality of disk surfaces, wherein each disk surface comprises a plurality of data zones, each data zone having a data transfer rate;

    a plurality of heads, each head configured to write data to a respective one of the disk surfaces; and

    a controller configured to operate the plurality of heads to sequentially write a sequence of data blocks to the plurality of disk surfaces in accordance with an order of head-zone combinations ordered from highest data transfer rate to lowest data transfer rate, each head-zone combination corresponding to one of the heads and one of the data zones of the respective disk surface.

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