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A Volume Replication Method Based on Source Data Deduplication

A volume replication and deduplication technology, which is used in database distribution/replication, redundant operation in data error detection, structured data retrieval, etc. problem, to achieve the effect of reducing size, reducing transmission volume, and speeding up efficiency

Active Publication Date: 2019-04-19
EISOO SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a volume replication method based on source-side data deduplication, which is used to solve the problem of low overall efficiency of volume replication and large amount of data transmission in the replication network in the prior art. question

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  • A Volume Replication Method Based on Source Data Deduplication
  • A Volume Replication Method Based on Source Data Deduplication
  • A Volume Replication Method Based on Source Data Deduplication

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Embodiment Construction

[0024] The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other under the condition of no conflict.

[0025] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compon...

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Abstract

The invention provides a source end data deduplication-based volume replication method. The volume replication method comprises the following steps: S1, creating snapshots for a source volume; S2, traversing the snapshots to form a data flow; S3, deduplicating the data flow; S4, sending the deduplicated data flow; and S5, receiving the data flow, restoring the deduplicated data, writing and storing all the received data in corresponding positions and snapshoting. The method provided by the invention has the advantages that the data transmission quantity in a replication network can be reduced; the overall efficiency of remote replication is improved; and the system resource is saved.

Description

technical field [0001] The present invention relates to a volume duplication method, in particular to a volume duplication method based on source end data deduplication. Background technique [0002] At present, with the continuous development of information technology, people need to save more and more materials and data, and data is becoming more and more important to people's work and life. Data preservation and data security are becoming more and more important, and various data backup technologies and products have emerged. For example, for the data backup of the front-end host, copy the data on the host to other storage media for storage, so that when the original data is lost in the future, it can be retrieved. Backup technology based on storage backend. There are local data backup methods such as taking snapshots of storage volumes or file systems, creating clones, copying generated snapshots to remote storage media, and asynchronous remote mirroring. [0003] Dur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/11G06F16/16G06F16/182G06F16/27G06F11/14
CPCG06F11/1435G06F11/1453G06F16/128G06F16/162G06F16/1844G06F16/27
Inventor 赵金铃
Owner EISOO SOFTWARE