Copy storage device and copy storage method

A storage device and copy technology, applied in the computer field, can solve the problems of low reading and writing ability and large resource consumption of distributed systems, and achieve the effects of reducing processing delay, improving reading ability, and improving writing ability.

Active Publication Date: 2018-08-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The overall reading and writing ability of the existing distributed system is not high, and the resource consumption is relatively large

Method used

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  • Copy storage device and copy storage method
  • Copy storage device and copy storage method
  • Copy storage device and copy storage method

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Embodiment Construction

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0045] figure 1 A schematic structural diagram of a replica storage device provided by an embodiment of the present invention. Such as figure 1 As shown, the replica storage device 100 provided in this embodiment includes: a distribution module 101, a master replica space 102 and a slave replica space 103, wherein:

[0046] The master copy space ...

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Abstract

Provided in an embodiment are a copy storage device and copy storage method, comprising: partitioning mutually dependent Master space and Slave space for a Master and a Slave, and respectively performing data reading and writing operations and the like in the Master space and the Slave space; differentially processing a Master write request and a Slave write request, thus shortening processing time delay of the write request and improving write capability of a distributed system; using different files on a non-volatile storage medium to respectively store the records carried in the Master write request and the Slave write request so as to separately store the Master and the Slave, thus decreasing the number and size of files to be found when searching the Master records, and improving read capability of the distributed system, while reducing data traffic to be filtered when the range of the Master and the Slave changes, and reducing resource consumption of the distributed system.

Description

technical field [0001] The embodiments of the present invention relate to computer technology, and in particular, to a copy storage device and a copy storage method. Background technique [0002] A distributed system is a software system based on the network. How to make better use of the performance of each distributed node, rationally design the interaction mode between nodes, improve the overall read and write ability, availability and scalability of the system, and require the system to have a certain disaster recovery capability has always been a distributed system research. hotspots. [0003] Data is fragmented or partitioned in a distributed system. In scenarios where disaster recovery is considered, multiple copies of data slices or data areas need to be backed up. For example, the write request sent by the client (Master write request) is sent first to the master copy (Master), and then, the master copy and the slave copy (Slave) perform synchronous or asynchronou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/14H04L29/08
CPCG06F11/2087
Inventor 梁晓豪
Owner HUAWEI TECH CO LTD
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