DATA-CENTER DRIVE WITH SPLIT-ACTUATOR THAT INCREASES READ/WRITE PERFORMANCE VIA DATA STRIPING
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United States of America
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Issued Date -
Jan 16, 2020
app pub date -
Nov 30, 2018
filing date -
Nov 30, 2018
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Abstract
A method for writing data in a disk drive having actuators each controlling arms extending over disk surfaces, including: receiving a write command from a host; receiving from the host data; dividing the data into data blocks; determining: a first surface from the disk surfaces where data is written by a first head of an arm controlled by a first actuator of the actuators; and a second surface from the disk surfaces where data is written by a second head of an arm controlled by a second actuator of the actuators; determining storage blocks of each of the first and the second surface; and writing first data blocks of the divided data blocks to the determined storage blocks of the first surface using the first head while writing second data blocks of the divided data blocks to the determined storage blocks of the second surface using the second head.
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