Storage service device with dual controller and backup...

Details Storage service device with dual controller and backup... Storage service device with dual controller and backup...

2009-03-30

2011-12-06

Choe, Yong (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S103000, C711SE12001, C711SE12002

Reexamination Certificate

active

08074037

ABSTRACT:
A storage service device with a dual controller and a backup method thereof are applicable to provide the same view service to an event-login log and a configuration file of a server. The storage service device includes a first control module, a second control module, a battery unit, a basic input/output system (BIOS), and a backup procedure. Once a power failure occurs to the server, the following backup procedure is performed a hardware interrupt signal is sent to the battery unit, so as to provide an operation power to a first memory module and a second memory module; an index page of the first memory module is synchronized with that of the second memory module; and the updated index pages are recorded into a first flash memory and a second flash memory respectively.

REFERENCES:
patent: 2003/0074535 (2003-04-01), Owhadi
patent: 2009/0132760 (2009-05-01), Flynn et al.

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