Direct erasure correction implementation method and device

An implementation method and direct technology, applied in the direction of input/output to record carrier, etc., can solve problems such as data capacity bottlenecks, achieve the effect of saving the steps of writing cache Cache, solving capacity bottlenecks, and improving read and write efficiency

Active Publication Date: 2015-12-23
INSPUR BEIJING ELECTRONICS INFORMATION IND
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method and device for implementing direct erasure corre

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  • Direct erasure correction implementation method and device
  • Direct erasure correction implementation method and device

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Embodiment Construction

[0037] The core of the present invention is to provide a method and device for implementing direct erasure correction, so as to improve the efficiency of reading and writing data and solve the bottleneck problem of data capacity.

[0038] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] Please refer to figure 1 , figure 1 It is a flow chart of a method for implementing direct erasure corr...

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Abstract

The invention discloses a direct erasure correction implementation method and device. The method includes the steps that request operations sent by a client are received and preprocessed; the preprocessed request operations are processed in a classified mode, the request operations needing source data reading are stored in a reading list, and the request operations not needing data reading are stored into a write-in list; as for the request operations in the write-in list, the request operations in the write-in list are directly executed in a memory; as for the request operations in the reading list, the request operations in the reading list are analyzed and executed in the memory; all the request operations in the write-in list and the reading list are combined in the memory, the combined request operations generate corresponding events, and the events are subjected to order placing. The method can improve data reading and writing efficiency and solve the data capacity bottleneck problem.

Description

technical field [0001] The invention relates to the technical field of data storage, in particular to a method and device for realizing direct erasure correction. Background technique [0002] At present, with the rapid development of computer technology, data is growing explosively; the security of data storage in cloud storage systems and the utilization of disks are getting more and more attention. Generally, in cloud storage systems, there is a cache cache pool at the front end of the erasure code, and the data is first written into the cache cache. After certain conditions are met, the data will be transferred from the cache cache pool to the erasure pool; instead of data being written When entering, it is directly written into the erasure pool. At present, erasure codes in cloud storage systems are generally only positioned for cold data storage, and important data is stored in multiple copies. [0003] The above process is the process of indirect erasure correction....

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Application Information

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IPC IPC(8): G06F3/06
Inventor 方兰春何营吴明桥孔军
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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