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Data backup method

A data backup and data technology, applied in the computer field, can solve problems such as delay in responding to the host, affecting the host business, and long data backup time, to achieve the effects of ensuring data order, realizing remote backup, and prolonging data backup time

Inactive Publication Date: 2019-07-05
SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the two devices for remote backup are far apart, especially when the bandwidth rate is low, the data backup takes a long time, resulting in a delay in responding to the host, which seriously affects the host business

Method used

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Embodiment Construction

[0042] The core of the present invention is to provide a data backup method, which can realize remote backup of data and ensure the order of data without affecting the business of the host computer; another core of the present invention is to provide a data backup device, equipment and computer-readable The storage media all have the above-mentioned technical effects.

[0043] 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...

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Abstract

The invention discloses a data backup method. The method comprises the following steps of after receiving data sent by a host, sequentially writing the data into a source volume and a memory; when thedata is written into the memory, sending the feedback information to the host; and sequentially transmitting the data to a memory of the remote equipment according to the time of writing the data into the memory, so that the remote equipment writes the data written into the memory into a target volume. According to the data backup method, the remote backup of the data can be effectively realizedwhile the host service is not influenced, and the data sequence is guaranteed. The invention further discloses a data backup device and equipment and a computer readable storage medium which all havethe above technical effects.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a data backup method; and also relates to a data backup device, equipment and a computer-readable storage medium. Background technique [0002] In the storage system, a replication relationship can be established between two volumes with the same capacity, and data backup can be performed through mutual data replication to achieve the purpose of disaster recovery. In practical applications, there are remote backup application scenarios where data order needs to be guaranteed. In this application scenario, the currently adopted method is that the current device receives the data sent by the host and writes the data into the volume of the current device, and then transfers the data written in the volume of the current device to the volume of the target device, and Responds to the host after data has been written to the target device's volume. Since the two devices for r...

Claims

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Application Information

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IPC IPC(8): G06F11/14
CPCG06F11/1458
Inventor 蒋米传孟宪伟胡正建
Owner SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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