Magnetic disk apparatus, method for adjusting performance of magnetic disk apparatus, and method for accessing magnetic disk
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United States of America Patent
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Nov 17, 2009
Grant Date -
Sep 28, 2006
app pub date -
Jul 27, 2005
filing date -
Mar 22, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic disk apparatus includes an input unit that inputs information on the number of sectors, which should be included in each cell, defined as performance adjusting information, a calculating unit that calculates, for each cell, the number of sectors included in the cell on the basis of constitution information of cells, a setting unit that sets, for each cell, sectors as many as a number, which is equivalent to a difference between the calculated number of sectors and the inputted number of sectors, as unused sectors. In the present invention, the magnetic disk apparatus adjusts the number of sectors included in each cell of the own device to the number of sectors defined in the performance adjusting information. Thus, even when a plurality of the magnetic disk apparatuses are manufactured, the numbers of sectors of cells are adjusted to the number of sectors defined in the performance adjusting information to make the numbers of cells identical. Consequently, uniformalization of data access times can be realized.
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