Data backup method, system and server

A data backup and server technology, applied in the field of communication, can solve the problems of high cost and large amount of development, and achieve the effects of high applicability, improved performance, and convenient data backup.

Active Publication Date: 2013-03-20
CHENGDU HUAWEI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method requires a large amount of development, and the cost of development and implementation is relatively high.

Method used

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  • Data backup method, system and server
  • Data backup method, system and server
  • Data backup method, system and server

Examples

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Embodiment Construction

[0031] 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 making creative efforts belong to the protection scope of the present invention.

[0032] figure 1 It is a flowchart of an embodiment of the data backup method of the present invention, such as figure 1 As shown, this embodiment may include:

[0033] Step 101, receiving a write operation instruction sent by a client.

[0034] Step 102, write the data to be written in the write operation instruction into the file interfac...

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Abstract

The embodiment of the invention provides a data backup method, a data backup system and a server. The data backup method comprises the following steps: receiving a write operation command transmitted by a client; writing the data to be written in the write operation command in a file interface layer cache of a first server; transmitting the data to be written to a second server to ensure that the second server writes the data to be written into the file interface layer cache of the second server. The method can conveniently realize the data backup. Because the data synchronization is performed on the file interface layer, the performance of the data synchronization is improved; and the data synchronization is performed on the file interface layer, block device layers of two servers are unnecessarily consistent completely, even file systems of the two servers can adopt different local file systems, and the applicability is higher. In addition, the embodiment of the invention does not need modifying the client without influencing the existing layout of the client, and does not need third-party image software; and the layout cost is saved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of communications, and in particular to a data backup method, system and server. Background technique [0002] A network attached storage (Network Attached Storage; hereinafter referred to as: NAS) file system is composed of a NAS client and a NAS server. A NAS server includes a processor, a file service management module and multiple hard drives for data storage. The NAS client can be installed on the application server; the NAS server can be applied in any network environment. The client can easily access files of any format on the NAS server through the Network File System (Network File System; hereinafter referred to as: NFS) protocol, the Common Internet File System (hereinafter referred to as: CIFS) protocol, etc. . The NAS server can complete the management of internal files according to the instructions sent by the NAS client. [0003] In an implementation method based o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
Inventor 徐涛胡波杨定国
Owner CHENGDU HUAWEI TECH
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