Data recording device and control method of same

Details Data recording device and control method of same Data recording device and control method of same

2011-07-26

2011-07-26

Farrokh, Hasheem (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S154000

Reexamination Certificate

active

07987317

ABSTRACT:
Embodiments of the present invention provide a data recording device that allows swift data access even under the state that data access is difficult, and a control method for the device. According to one embodiment, when receiving a data reading command from an external host in the state that a reading-difficult state is being detected, a Microprocessing Unit/Hard Disk Controller (MPU/HDC) of a magnetic disk device reads data related to the reading command from a magnetic disk for transmission to an external host and recording into a memory. Thereafter, when receiving another reading command from the external host for the same data, the data is read from the memory for transmission to the external host.

REFERENCES:
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patent: 7174478 (2007-02-01), Asano
patent: 2002/0083779 (2002-07-01), Narita et al.
patent: 2003/0081337 (2003-05-01), Tanimoto
patent: 2004/0042105 (2004-03-01), Cho
patent: 2006/0193225 (2006-08-01), Kon et al.
patent: 2006/0206681 (2006-09-01), Suzuki et al.

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