Title:
DISTRIBUTED DATA STORAGE METHOD, CONTROL DEVICE AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/201639
Kind Code:
A8
Abstract:
A distributed data storage method, control device and system, the method comprising: dividing data to be stored into m2 data blocks A (101); according to B generating a first checking block set C (102); wherein D; according to E generating a second checking block set F corresponding to the data to be stored; according to G generating a third checking block set H corresponding to the data to be stored; and respectively sending the m2 data blocks and 2m + 1 checking blocks to different storage devices and storing the same therein (105). Since each checking block is linearly associated with m data blocks, and the data blocks and checking blocks are respectively stored in different storage devices, multiple failed blocks can be restored with a reduced recovery cost.
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Inventors:
CHEN CHEN (CN)
WANG YUANGANG (CN)
WANG YUANGANG (CN)
Application Number:
PCT/CN2015/081644
Publication Date:
December 14, 2017
Filing Date:
June 17, 2015
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06F11/10
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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