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.

Date of Patent:
Apr. 03, 2007

Filed:

Jan. 22, 2004
Applicants:

Courtney Chi Hoang, Fountain Valley, CA (US);

Patricia Jean Keller, Westminster, CA (US);

Alma Navarro DE Jesus, Monrovia, CA (US);

Donald Ralph Hart, Mission Viejo, CA (US);

Inventors:

Courtney Chi Hoang, Fountain Valley, CA (US);

Patricia Jean Keller, Westminster, CA (US);

Alma Navarro de Jesus, Monrovia, CA (US);

Donald Ralph Hart, Mission Viejo, CA (US);

Assignee:

Unisys Corporation, Blue Bell, PA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method is provided to verify a database copy of a primary database which has been replicated. A secondary physically consistent copy of the primary database is put in a state of quiesce while the primary database is allowed to resume update activity. The consistent copy, in a state of quiesce, can be used for database maintenance activities or as a recovery source should the primary database be damaged, but the consistent copy is first checked for integrity by using a Verify option before such recovery source is utilized.


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