Cloud storage method for reducing data-occupied space

A space-occupied, cloud storage technology, applied in the field of cloud storage, to achieve high data compression rate and performance, high data reduction ratio, and the effect of reducing data occupied space

Active Publication Date: 2013-06-12
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, simply increasing storage cap...

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  • Cloud storage method for reducing data-occupied space
  • Cloud storage method for reducing data-occupied space
  • Cloud storage method for reducing data-occupied space

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Embodiment Construction

[0014] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.

[0015] A cloud storage method for reducing the space occupied by data, comprising: uploading data from a terminal to a cloud storage server; using block detection technology based on FSP algorithm to delete duplicate data; after storing data in data blocks, using data compression technology to reduce basic data block volume.

[0016] The same data block detection technology based on Fixed Size Partitioning Algorithm (FSP) is a method to identify identical data in a storage system using a fixed siz...

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Abstract

The invention discloses a cloud storage method for reducing a data-occupied space. The method comprises the following steps: uploading data to a cloud storage server from a terminal; using a block detection technique of a fixed size classification algorithm to delete the repeated data; and after the data is stored into a data block, using an LZW data compression technique to reduce the size of a basic data block so as to realize data compression. The data compression technique and the repeated data deleting technique are combined to delete the repeated data and then compress the data, the higher data reduction ratio is realized, and the higher data compression ratio and data compression performance are obtained.

Description

technical field [0001] The invention relates to the technical field of cloud storage, in particular to a cloud storage method for reducing the space occupied by data. Background technique [0002] Faced with the rapid expansion of data, enterprises need to continuously purchase a large number of storage devices to cope with the ever-increasing storage requirements. However, simply increasing storage capacity cannot fundamentally solve the problem. Therefore, the concept of high-efficiency storage is proposed, which aims to alleviate the space growth problem of the storage system, reduce the space occupied by data, simplify storage management, maximize the use of existing resources, and reduce costs. [0003] The five high-efficiency storage technologies recognized in the industry are data compression, deduplication, thin provisioning, automatic tiered storage, and storage virtualization. Currently, data compression and deduplication are two key technologies to achieve data...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 许峰刘璇张云飞周文欢
Owner HOHAI UNIV
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