Disk storage device and cache control method for disk...

Details Disk storage device and cache control method for disk... Disk storage device and cache control method for disk...

2005-09-27

2009-10-13

Portka, Gary J (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C710S052000, C711S135000

Reexamination Certificate

active

07603517

ABSTRACT:
A disk storage device stores write data in a cache area of a data buffer according to a write command from a host, reports write completion to the host, and then writes the write data in the cache area to a storage medium. The disk storage device stores the write data stored in the data buffer in a save area created on the storage disk in response to the reception of a command which requires integrity, other than a write command, and reports a response to the host. Therefore processing time of this command and response time to the host can be decreased, while maintaining the safety of the write data.

REFERENCES:
patent: 7130962 (2006-10-01), Garney
patent: 7441081 (2008-10-01), Humlicek
patent: 6-348597 (1994-12-01), None
patent: 11-232037 (1999-08-01), None

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