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Network volume creating method, data storage method, storage equipment and storage system

A storage device and storage system technology, applied in the storage field, can solve problems such as data loss and reliability cannot be guaranteed

Active Publication Date: 2014-12-17
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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  • Network volume creating method, data storage method, storage equipment and storage system
  • Network volume creating method, data storage method, storage equipment and storage system
  • Network volume creating method, data storage method, storage equipment 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 embodiment of the invention provides a network volume creating method. The network volume creating method comprises the following steps of receiving a first network volume creating request sent by a management node by using a first storage node; determining the size of a storage space to be allocated of each storage node in a plurality of storage nodes according to type information of an RAID (redundant array of independent disks) and the size information of a network volume; sending a second network volume creating request to each storage node; assigning a logic address corresponding to each storage node for the storage space to be allocated of 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 logic address of the network volume, and the logic address of the network volume comprises the logic address corresponding to each storage node. According to the method, the network volume is created.

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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IPC IPC(8): G06F3/06H04L29/08
Inventor 程菊生
Owner HUAWEI TECH CO LTD
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