Data storage device and method thereof

Details Data storage device and method thereof Data storage device and method thereof

2011-08-23

2011-08-23

Rutz, Jared (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S113000

Reexamination Certificate

active

08006040

ABSTRACT:
A microprocessor18in a control device13of a data storage device determines that the read request has a sequential access property, when a transfer size of data specified by a read request from a host computer11is the same as a preset pre-fetch determination size and sends the data for the read request to the host computer11. The microprocessor18also reads data in succeeding areas continuous to the data designated by the read request from a storage device12into a cache memory20. The data storage device enables to reduce a number of access from the control device13to the storage device12, improving a response time as well as throughput of the data storage device.

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