Hard disk drive (HDD), method improving read hit ration in...

Details Hard disk drive (HDD), method improving read hit ration in... Hard disk drive (HDD), method improving read hit ration in...

2007-06-21

2010-12-28

Sniezek, Andrew L (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S075000, C711S112000, C711S167000

Reexamination Certificate

active

07859788

ABSTRACT:
In a method of improving read hits to pre-fetch data stored in a memory associated with a hard disk drive (HDD). The method includes; receiving a read command indicating a target sector on a disk in the HDD, obtaining a latency time in relation to a movement time and a search time, and during the latency time, reading pre-fetch data from the disk at a current position of a magnetic head and storing the pre-fetch data in the memory before executing the received read command.

REFERENCES:
patent: 6209058 (2001-03-01), Shats et al.
patent: 6604178 (2003-08-01), Hall
patent: 6658535 (2003-12-01), Megiddo et al.
patent: 6848019 (2005-01-01), Mobley et al.
patent: 2007/0276993 (2007-11-01), Hiratsuka
patent: 07-312046 (1995-11-01), None
patent: 2001-006304 (2001-01-01), None
patent: 10-1993-0010925 (1993-06-01), None

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