Data back up method and its programs

US20050278299A1Inactive Publication Date: 2005-12-15YAMADA KYOKO +2
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
YAMADA KYOKO
Publication Date
2005-12-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

User data backup functions are realized through a computer, which is located on the management service provider corporation side and interfaces between a user side computer environment and a storage service side computer environment to support storage service. This computer selects storage devices which meet the user side conditions from a plurality of entirely or partially empty storage devices owned by the storage service side computer environment. The computer receives user data from the user side computer environment, divides the user data into records of a predetermined size and transmits the records to the storage service side computer environment so that the records are distributed and stored to the selected storage devices.
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Description

[0001] The present application is a continuation of application Ser. No. 10 / 367,767, filed Feb. 19, 2003, the contents of which are incorporated herein by reference.BACKGROUND OF THE INVENTION

[0002] The present invention relates to storage backup techniques, and more particularly, to a technique for backing up storage in a remote place.

[0003] Since contents of disk storage may be lost-by an unexpected accident, data backup is made in most computer systems. Further, data backup tape and other media are kept in a remote site so that they will not be lost together with the original copies in case of a fire, earthquake or the like. Accordingly, a SAN (storage area network)-used backup method is disclosed in Japanese Patent Laid-open No. 2002-7304. Also in Japanese Patent Laid-open No. 2000-82008, a data sharing-based backup method is disclosed.

[0004] Large-scale earthquakes, synchronized attacks by viruses, etc. prove a further growing threat to computer systems and their data, which...

Claims

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