Data migration method, device, electronic equipment and readable storage medium

A storage medium and data technology, applied in the computer field, can solve problems such as writing errors, reading errors, and differences, and achieve the effect of improving migration efficiency, reducing error probability, and enriching migration scenarios

Pending Publication Date: 2021-12-24
济南浪潮数据技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, this kind of file layering is only applicable to the scenario where file data is stored in a single data pool. When files are stored in multiple data pools, the data that needs to b

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  • Data migration method, device, electronic equipment and readable storage medium
  • Data migration method, device, electronic equipment and readable storage medium
  • Data migration method, device, electronic equipment and readable storage medium

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Embodiment Construction

[0049] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. 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.

[0050] The terms "first", "second", "third", and "fourth" in the specification and claims of this application and the above drawings are used to distinguish different objects, rather than to describe specific order. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or device comprisin...

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Abstract

The invention discloses a data migration method, a device, electronic equipment and a readable storage medium. The method comprises the steps that a first storage pool and a second storage pool which are different in storage performance are constructed in advance, and the storage performance of the first storage pool is superior to that of the second storage pool; segmenting the target data into first sub-data and second sub-data, storing the first sub-data into a first storage pool, and storing the second sub-data into a second storage pool; when a migration instruction of target data is received, writing first sub-data read from the first storage pool into a second storage pool, and sending a request for updating storage position information of the target data to a metadata server; when the metadata server responds to update completion, the first sub-data is deleted from the first storage pool to complete the migration operation of the target data, so that the file migration error probability can be reduced on the basis of improving the file migration efficiency.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to a data migration method, device, electronic equipment and readable storage medium. Background technique [0002] With the rapid development of computer technology, and it is widely used in daily work and life, various computer data has shown explosive growth, and correspondingly, storage technology has also been developed accordingly. In order to adapt to the fast and safe storage of data, the application of distributed file system was born. The distributed file system is a cluster composed of multiple file storage node servers. Files are stored in chunks, with objects as the basic unit. It supports a piece of data stored on multiple nodes, and each node can obtain complete files through inter-node communication. When the node is down, the complete data can be restored according to the configured strategy, which has the characteristics of high availability, high perf...

Claims

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Application Information

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IPC IPC(8): G06F16/21G06F16/182
CPCG06F16/214G06F16/182
Inventor 孙业宽孟祥瑞
Owner 济南浪潮数据技术有限公司
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