Computer data backup storage device

Details Computer data backup storage device Computer data backup storage device

2007-06-05

2007-06-05

Peikari, B. James (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C714S005110, C711S114000

Reexamination Certificate

active

10374621

ABSTRACT:
A secondary storage device for a digital computer includes a housing, an attachment means coupled to an outside surface of the housing for allowing said housing to be easily attached to the computer system, a primary disk drive disposed within said housing, at least one back-up disk drive disposed within the housing, mirror circuitry disposed within the housing, and coupled to the primary disk drive, and the at least one back-up disk drive, bus connection means coupled to the mirror circuitry for connecting said secondary storage device to a main bus of the digital computer, and timing means coupled between the mirror circuitry and one of the back-up disk drives for creating mirror back-up images of the primary disk drive at pre-determined intervals.

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patent: 5594900 (1997-01-01), Cohn et al.
patent: 6188571 (2001-02-01), Roganti et al.
patent: 2002/0101711 (2002-08-01), Gold
patent: 2002/0120812 (2002-08-01), Ageishi et al.
“CRU MiniRAID IDE Mirroring Solutions User Manual”, Connector Resources Unlimited, Inc. 1998.
Cremax “Soho Raid SR2000 IDE Raid 1 Solution”, Cremax USA, 1999 [retrieved on Jun. 22, 2005] Retrieved from the Internet: <url: http://web.archive.org/web/20001208000400/www.cremax.com/20.htm>.

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