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Data backup method and device

A data backup and backup technology, which is applied in the field of data processing, can solve the problems of long time consumption and low efficiency, and achieve the effect of avoiding high delay, efficiently backing up data, and improving efficiency

Inactive Publication Date: 2019-04-09
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the traditional data backup method takes a single time of more than 100 microseconds, which takes a long time and leads to low efficiency

Method used

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  • Data backup method and device

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Embodiment Construction

[0051] One or more embodiments of this specification provide a data backup method and device to improve the efficiency of data backup.

[0052] In order to enable those skilled in the art to better understand the technical solutions in one or more embodiments of this specification, the following will describe the technical solutions in one or more embodiments of this specification in conjunction with the drawings in one or more embodiments of this specification The technical solution is clearly and completely described, and obviously, the described embodiments are only a part of the embodiments in this specification, rather than all the embodiments. Based on one or more embodiments of this specification, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of one or more embodiments of this specification.

[0053] figure 1 is a schematic flowchart of a data backup method according to an embod...

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Abstract

One or more embodiments of the invention disclose a data backup method and a data backup device, which are used for improving the data backup efficiency. The method is applied to an RDMA network cardarranged in first equipment, and comprises the following steps: responding to a data backup request sent by second equipment, and establishing an RDMA network connection relationship with the second equipment; Wherein the data backup request comprises identification information of data to be backed up; Based on the RDMA network connection relationship, obtaining the to-be-backed-up data corresponding to the identification information from the second device; And transmitting the to-be-backed-up data to a memory of the first device, so that the memory of the first device stores the to-be-backed-up data.

Description

technical field [0001] This specification relates to the technical field of data processing, and in particular to a data backup method and device. Background technique [0002] In the prior art, the distributed data backup scheme generally depends on two aspects: on the one hand, the traditional network connection is adopted, because the traditional network connection must be participated by the CPU (Central Processing Unit, central processing unit) of two computers to realize data backup. Transmission will greatly increase the time overhead, and data backup can usually be completed in more than 100 microseconds; on the other hand, the backup medium of the backup machine is a solid-state hard disk, and the typical delay of the solid-state hard disk is also on the order of 100 microseconds. Therefore, the traditional data backup method consumes more than 100 microseconds in a single time, which takes a long time and leads to low efficiency. Contents of the invention [000...

Claims

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Application Information

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IPC IPC(8): G06F11/14
CPCG06F11/1461G06F11/1464
Inventor 崔钊武鹏喻鹏李常青
Owner ALIBABA GRP HLDG LTD
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