Method, device and system for data storage

A data storage and storage system technology, applied in the direction of input/output to record carriers, etc., can solve the problems of valuable storage space and inappropriate storage of large blocks of data in distributed data storage systems, so as to reduce the amount of data interaction and consume The effect of low data volume and improving data access efficiency

Active Publication Date: 2019-09-20
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the main problem with the data storage scheme of the distributed data storage system is that the storage space of the distributed data storage system is very precious, which is suitable for fast access of small data and not suitable for storing large blocks of data

Method used

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  • Method, device and system for data storage
  • Method, device and system for data storage
  • Method, device and system for data storage

Examples

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Embodiment Construction

[0047] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe operations as sequential processing, many of the operations may be performed in parallel, concurrently, or simultaneously. In addition, the order of operations can be rearranged. The process may be terminated when its operations are complete, but may also have additional steps not included in the figure. The processing may correspond to a method, function, procedure, subroutine, subroutine, or the like.

[0048] The methods discussed later herein, some of which are illustrated by flowcharts, can be implemented by hardware, software, firmware, middleware, microcode, hardware description languages, or any combination thereof. When implemented in software, firmware, middleware or microcode, the program code or code segments to perform the necessary tasks may be sto...

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Abstract

The invention aims to provide a data storage method, apparatus and system. According to the data storage method, apparatus and system, data is stored by cooperation of a data storage device and a distributed data storage system, wherein the data storage device is used for obtaining to-be-stored data and locally storing the data; the data storage device is further used for sending local verification information and identifier information of the data determined according to the content of the data to the distributed data storage system for updating global verification information of the data according to the identifier information and the local verification information of the data sent by at least one data storage device; when a data access request is received, the data storage device is used for obtaining the global verification information of the data from the distributed data storage system; and when the local verification information and the global verification information of the data are consistent, the data storage device is used for providing the locally stored data.

Description

technical field [0001] The present invention relates to the technical field of data storage, in particular to a data storage technology. Background technique [0002] At present, with the development of communication and information technology, users' access to data is increasing geometrically. It is obviously difficult to respond to a large number of data access requests in the scheme of storing data by a single machine and providing the stored data to users. Using a multi-machine large cluster method to store data on the local disk of each single machine and provide users with locally stored data can significantly share the load and improve performance, so that it can better respond to a large number of data access requests. [0003] However, the problem with the scheme of storing data in a large multi-machine cluster mainly lies in: Since each stand-alone machine in the cluster stores data independently and provides data for users, when the data is changed by one stand-a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
Inventor 胡斌
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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