STORAGE-SERVICE-PROVISION DEVICE, SYSTEM, SERVICE-PROVISION METHOD, AND SERVICE-PROVISION PROGRAM

WIPO Patent Application WO/2012/053156

A1

The purpose of the present invention is to make it possible to store a large number of files of various sizes using a large number of storage devices and to reduce the number of elements that act as single points of failure in the system. A storage-service-provision device (3) provides a service wherein files are stored using a plurality of storage devices (4) connected over a network. A file to be written is divided into one or more pieces of data, and each piece of data (block object) constituting said file is imparted with object-identifying information. Also, information (a management-information object) for reconstructing the file from the data in the block objects is created and imparted with object-identifying information. Each block object and the management-information object is then sent to and saved in a storage device (4) identified on the basis of the object-identifying information for said object.

NAKAGAWA IKUO (JP)

PCT/JP2011/005629

April 26, 2012

October 06, 2011

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INTEC INC (JP)
NAKAGAWA IKUO (JP)

G06F12/00; G06F3/06; G06F13/10

US6029168A	2000-02-22
JPH1115720A	1999-01-22
JP2003280962A	2003-10-03
JP2004280283A	2004-10-07
JP2006195712A	2006-07-27
JP2004240803A	2004-08-26

YOSHIKO YASUDA ET AL.: "Disk Quota Method Designed for a Clustered NAS System", TRANSACTIONS OF INFORMATION PROCESSING SOCIETY OF JAPAN, vol. 45, no. SIG11, 15 October 2004 (2004-10-15), pages 24 - 35, XP008171096
KEISUKE NISHIDA: "Google wo sasaeru gijutsu - Kyodai system no uchigawa no sekai", 25 August 2008, GIJUTSU-HYOHRON CO., LTD.
See also references of EP 2631805A4

OHNO, Seiji et al. (JP)
Seiji Ono (JP)

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