Disk control system using identification codes for retrieving re

Details Disk control system using identification codes for retrieving re Disk control system using identification codes for retrieving re

1994-03-30

1996-09-17

Chan, Eddie P.

Boots, shoes, and leggings

395464, 364DIG1, 36424341, 3642394, 3642481, G06F 1300

Patent

active

055577679

ABSTRACT:
In accordance with a write request from a host system in a direction of incrementing an address, a controller generates the same writing code and writes the writing code with ID information of each sector in a hard disk drive unit. Even when a series of related data are written on a plurality of sectors having non-sequential addresses, the same writing code is written in the ID information of each sector as far as the values of the sector addresses to be written change in the direction of incrementing the address. When the sector data is read ahead and registered in a read ahead cache in accordance with a data read request from the host system, a series of related sector data are registered in the read ahead cache on the basis of the writing code.

REFERENCES:
patent: 5410653 (1995-04-01), Macon, Jr. et al.

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