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File migration method, device and equipment and readable storage medium

A file migration and file technology, applied in the storage field, can solve the problems of incomplete migration aggregation process, garbage data, low storage utilization rate, etc.

Active Publication Date: 2020-11-24
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, if the file classification migration client hangs up during the file migration aggregation process, the entire migration aggregation process cannot be completed, resulting in invalid garbage data
Invalid garbage data will occupy storage space, resulting in low storage utilization

Method used

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  • File migration method, device and equipment and readable storage medium
  • File migration method, device and equipment and readable storage medium
  • File migration method, device and equipment and readable storage medium

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Embodiment Construction

[0051] 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.

[0052] For ease of understanding, the technical terms involved in the embodiments of the present invention are explained below:

[0053] A small file refers to a file with a small size. For example, a file smaller than 1M can be defined as a small file, and a file smaller than 512K can also be defined as a small file.

[0054] Aggregate large files, that is, to obtain large files after aggregating batches of ...

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Abstract

The invention discloses a file migration method, device and equipment, and a readable storage medium. The method comprises the steps of receiving a file migration task; judging whether the file migration task is an unfinished task or not; if yes, determining invalid files from the aggregated large files located in the target storage pool and the small files located in the source storage pool corresponding to the file migration task, wherein the aggregated large file comprises migrated small files which are respectively corresponding to the aggregated small files; and performing garbage collection on the invalid files. According to the method, invalid data generated in the aggregation migration process can be recycled, and the disk utilization rate can be increased.

Description

technical field [0001] The present invention relates to the field of storage technology, in particular to a file migration method, device, equipment and readable storage medium. Background technique [0002] Because the speed of reading and writing large files on the disk is often significantly higher than that of small files. In order to take advantage of this feature, in the application scenario of a large number of small files, when writing small files, they are not directly written to the disk, but aggregated into large files and then carried out to the disk, thereby effectively reducing the number of times small files are written to the disk and reducing the pressure of writing data. Also improves the read hit rate and shortens the read I / O path. [0003] However, if the file classification migration client hangs up during the file migration aggregation process, the entire migration aggregation process cannot be completed, resulting in invalid garbage data. Invalid ga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F12/02G06F16/185G06F16/16
CPCG06F3/0647G06F3/0643G06F3/0644G06F3/0652G06F3/0676G06F12/0253G06F16/185G06F16/162
Inventor 孙业宽孟祥瑞
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD