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Data scheduling method based on gradation storage medium

A storage medium and data scheduling technology, applied in the computer field, can solve problems such as unreasonable use of hierarchical storage media, difficulty in guaranteeing system service quality, and lack of hierarchical storage technology, etc., and achieve the effects of high cost performance, high access performance, and low cost

Active Publication Date: 2013-05-15
SHENZHEN INST OF ADVANCED TECH
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Problems solved by technology

[0022] In terms of migration rate control, it is difficult to guarantee the quality of service of the system by using the migration process priority method
The access control problem during migration is related to the access control of the system, but the method of using file locks is very troublesome
[0023] Moreover, for clusters with a wide range of applications, hierarchical storage technology has not been implemented in it, and hierarchical storage media cannot be used reasonably

Method used

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  • Data scheduling method based on gradation storage medium

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Embodiment Construction

[0056] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0057] The present invention implements hierarchical storage technology in the cluster, establishes a multi-level storage architecture, enables the cluster to use hierarchical storage media for reasonable data scheduling, and realizes transparent migration of data between storage media of each layer without affecting the service quality of the cluster, enabling The access performance of the cluster is high and the cost is low.

[0058] In this embodiment, a hadoop cluster is taken as an example to describe the data scheduling method of the present invention. Of course, the data scheduling method b...

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Abstract

The invention relates to the storage technology in the field of computers and provides a data scheduling method based on a gradation storage medium. The data scheduling method based on the gradation storage medium comprises the following steps: storing and automatically grading; accessing in a directed mode; monitoring data accessing operations; valuating data; and migrating the data. The data scheduling method based on the gradation storage medium can reasonably schedule the data by using the gradation storage medium, and is high in accessing performance and low in cost.

Description

technical field [0001] The invention relates to storage technology in the computer field, in particular to a data scheduling method based on hierarchical storage media. Background technique [0002] With the popularity of the Internet, the amount of data has exploded. The storage of these data has become a key issue that many enterprises need to consider. Commonly used devices for storing data include hard disks, optical disks, magnetic tapes, and flash memory cards. Different devices have different ways of storing data, different access performance, and different prices. Typically, the better the access performance, the higher the price per unit of capacity. Many enterprises hope to achieve the best performance with the smallest cost, and to achieve the best balance between performance and cost. This requires a combination of multiple storage media with different characteristics to be used in a unified manner. This storage medium is called a layer. storage medium. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/08G06F3/06
Inventor 张森林冯圣中
Owner SHENZHEN INST OF ADVANCED TECH
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