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Metadata file format conversion method

A conversion method and file format technology, applied in the direction of electrical digital data processing, special data processing applications, error detection of redundant data in calculations, etc., can solve threats to data security, complex conversion process, huge metadata files, etc. problem, achieve the effect of ensuring data security and shortening the conversion time

Active Publication Date: 2016-09-14
DAWNING INFORMATION IND BEIJING +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Metadata format conversion faces some problems: the first is data security, that is, how to ensure that the existing data can be completely saved in the new file during the conversion process, the conversion process is more complicated, and there may be many emergencies (such as broken electricity, system downtime, etc.) threaten data security; the second is the conversion speed, the metadata file of the storage system with a long running time is huge, and the time required for conversion is also long

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0022] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0023] figure 1 A flow chart of a metadata file format conversion method according to an embodiment of the present invention is shown.

[0024] refer to figure 1 , the metadata file format conversion method according to the embodiment of the present invention includes the following steps: S102, backup the metadata file; and S104, convert the format of the metadata file in a m...

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Abstract

The invention discloses a metadata file format converting method comprising the following steps: carrying out backup on a metadata file and converting the format of the metadata file by a multithread processing mode. By data backup and multithread concurrent operation, data security is ensured and converting time is shortened as much as possible.

Description

technical field [0001] The invention relates to a distributed storage system, and more particularly, to a metadata file format conversion method. Background technique [0002] In a distributed storage system, the metadata server provides services to other nodes by manipulating metadata files. The metadata files store the information (size, layout, etc.) of all files in the storage system and play an important role. [0003] In a distributed storage system, these information are organized into files of a certain format and stored in the local file system (such as ext3), which are called metadata files, such as files that store file system super block information and store file inode information files etc. The format of these files generally rarely changes, but with the expansion of file system functions, the old file format cannot meet the new requirements. At this time, it is necessary to adjust the old metadata file format. Protect existing data information. [0004] Met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G06F11/14
Inventor 马振杰杨浩马照云付根希苗艳超
Owner DAWNING INFORMATION IND BEIJING