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Method for creating network volumes, data storage method, storage device and storage system

A storage device and storage system technology, applied in the storage field, can solve problems such as unguaranteed reliability and data loss

Active Publication Date: 2015-06-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current ordinary volume is created in a storage node. When the storage node fails, the stored data will be lost, and the reliability cannot be guaranteed. Therefore, it is urgent to create a network volume across storage nodes.

Method used

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  • Method for creating network volumes, data storage method, storage device and storage system
  • Method for creating network volumes, data storage method, storage device and storage system
  • Method for creating network volumes, data storage method, storage device and storage system

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Embodiment Construction

[0120] 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.

[0121] The method for creating a network volume provided by the embodiment of the present invention can be implemented on a storage system. figure 1 A schematic diagram of the system architecture of the network volume creation method provided by the embodiment of the present invention, as shown in figure 1 As shown, the storage system includes a ...

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Abstract

The embodiments of the invention provide a network volume creating method, comprising: a first storage node receiving a first network volume creating request sent by a management node; according to RAID type information and network volume size information, determining the size of a storage space to be allocated to each storage node in a plurality of storage nodes; respectively sending a second network volume creating request to each storage node; designating a logical address corresponding to each storage node for the storage space allocated to each storage node; sending a response message of the first network volume creating request to the management node, wherein the response message of the first network volume creating request comprises a logical address of the network volume, and the logical address of the network volume comprises the logical address corresponding to each storage node. The creation of a network volume can be realized.

Description

technical field [0001] The invention relates to storage technology, in particular to a network volume creation method, a data storage method, a storage device and a storage system. Background technique [0002] The traditional storage system uses a centralized storage server to store all data. The storage server is also called a storage node, which can contain multiple hard disks. The multiple hard disks can be created according to the Redundant Array of Independent Disks (RAID) type. Ordinary volumes store data in ordinary volumes to achieve data redundancy. [0003] RAID is referred to as hard disk array for short. The basic idea is to combine multiple hard disks to form a hard disk array group, so that the performance can reach or even exceed that of a large-capacity hard disk. Depending on the selected version, RAID has the following advantages over a single hard disk: enhanced data integration, enhanced fault tolerance, and increased processing capacity or capacity. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F12/08G06F3/06G06F11/07H04L29/08
CPCG06F3/0605G06F3/0631G06F3/067
Inventor 程菊生
Owner HUAWEI TECH CO LTD
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