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Patent Searching and Data


Title:
DISTRIBUTED STORAGE SYSTEM AND DISTRIBUTED STORAGE CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2019/049224
Kind Code:
A1
Abstract:
Provided is a distributed storage system that receives a write request from a client, said system comprising a plurality of computers that receive power supply from a plurality of power source units. A first computer from among the plurality of computers that has received a write request from a client: caches update data constituting at least a portion of data associated with the write request; from among said computers, selects n second computers (where n is a natural number) constituted by n computers receiving power supply from power source units differing from the power source unit for the first computer, said n second computers serving as destinations to which the update data is to be transferred; and transfers the update data to each of the selected n second computers. At least one of the n second computers returns a result to the first computer when the update data from the first computer has been cached.

Inventors:
EBARA HIROTO (JP)
HAYASAKA MITSUO (JP)
CHIBA TAKERU (JP)
Application Number:
PCT/JP2017/032024
Publication Date:
March 14, 2019
Filing Date:
September 06, 2017
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Assignee:
HITACHI LTD (JP)
International Classes:
G06F11/16; G06F3/06; G06F12/00
Domestic Patent References:
WO2016194095A12016-12-08
WO2017119091A12017-07-13
Foreign References:
JP2009527062A2009-07-23
JPH10312246A1998-11-24
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL PATENT FIRM (JP)
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