Distributed file system data import method and device

A distributed file and system data technology, applied in the computer field, can solve problems such as long data import time, and achieve the effect of reducing resources

Inactive Publication Date: 2017-08-11
NAT COMP NETWORK & INFORMATION SECURITY MANAGEMENT CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a distributed file system data import method and device to solve the problem of long data import time caused by a large amount of data duplication or when all metadata information needs to be rebuilt when building a global file system in the prior art , and usability issues

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  • Distributed file system data import method and device
  • Distributed file system data import method and device
  • Distributed file system data import method and device

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Embodiment Construction

[0023] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0024] In order to better solve the problem of sharing data between file systems, the present invention proposes a distributed file system data import method based on zero-copy technology, which can specifically import specified content from a local file system to a distributed file system. In the file system, and construct a suitable metadata structure, while avoiding copying the data content. The present invention will be describ...

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Abstract

The invention discloses a distributed file system data importing method and a distributed file system data importing device. The method comprises the following steps that: data contents are stored onto a storage node or a storage medium capable of being accessed by a source file system and a target file system; a data organization mode is determined according to a storage format of the target file system; an index node and a metadata organization structure of metadata in the target file system are built according to a metadata organization structure of the source file system and / or requirements of users; the storage information of the metadata in the target file system is regulated according to the data metadata mode, so the storage information of the metadata correctly points to the data contents stored on the storage node or the storage medium; and the corresponding data contents are read from the storage node or the storage medium according to the metadata in the target file system.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a distributed file system data import method and device. Background technique [0002] At present, in the practice of current storage systems, data is mostly built and stored with business as the center. Therefore, different business systems are usually isolated in storage. Therefore, when data needs to be shared among multiple businesses, the data can only be stored from a certain transfer or copy from one file system to another. The above process is slow, especially when the scale of data that needs to be transferred or copied is huge. [0003] In order to solve this problem, a global distributed file system can be used to manage and store all lower-level file systems in a unified manner. However, this method usually needs to build a unified name space. When a large amount of data has been stored in the underlying file system, the cost of building a global file syst...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/182
Inventor 汪立东王秀文金暐贺龙涛马灿王伟平孟丹
Owner NAT COMP NETWORK & INFORMATION SECURITY MANAGEMENT CENT
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