Method and apparatus for increasing disc drive performance

Details Method and apparatus for increasing disc drive performance Method and apparatus for increasing disc drive performance

1997-11-04

2000-02-22

Kim, W. Chris

Dynamic magnetic information storage or retrieval

Recording for changing duration, frequency or redundant...

360 48, 369 59, G11B 500, G11B 509, H04N 576

Patent

active

06028725&

ABSTRACT:
A method of managing information to be stored on a storage disc in a disc drive system to achieve improved system performance. In one embodiment, data is preferentially stored on the outer tracks of the disc because system performance is greater when accessing outer tracks. Compression techniques may be employed with this embodiment to limit reductions in the storage capacity of the disc. The compression ratio can have any value, including compression ratios less than 2:1, or of F:1, wherein F is a non-integer. In another embodiment, a storage system is provided having sectors of different sizes. The different sized sectors may be on the same disc surface, on different disc surfaces, or on different disc drives. The differently sized sectors can be used to store blocks of information having different sizes to minimize the number of sectors read, thereby improving system performance.

REFERENCES:
patent: 5237460 (1993-08-01), Miller et al.

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