The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6820212 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 16, 2004

Filed:

Feb. 20, 2001
Applicant:
Inventors:

Raymond Duchesne, Round Hill, VA (US);

Tomlinson Rauscher, Ellicott City, MD (US);

Assignee:

Digi-Data Corporation, Columbia, MD (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/100 ;
U.S. Cl.
CPC ...
G06F 1/100 ;
Abstract

The RAID system of this invention is able to function with undiminished capacity despite the failure of any one DASD, connector, or storage array controller. A signal is produced when any component fails, thereby alerting the operator of the need to replace the failed component. The reliability of this RAID system is achieved by using two connectors for each connection, by using a spare DASD for each channel of DASD, and by providing a passive storage array controller able to assume the identify of and take over the control of the DASD controlled by a failed storage array controller. This is a reliable, inexpensive system for achieving unprecedented reliability in the storage and delivery of data.


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Duchesne, Raymond. (2004). Raid system having channel capacity unaffected by any single component failure (U.S. Patent No. 6820212). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6820212

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