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Storage space management method and device, electronic equipment and storage medium

A storage space and management method technology, applied in the field of data storage, can solve the problems of small idle space, waste of resources, insufficient data storage, etc., achieve the effect of small IO consumption, save storage resources, and realize reuse

Active Publication Date: 2020-11-06
HANGZHOU HIKVISION SYST TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, when there is idle space in the storage space of the data block, the idle space is defaulted to be too small to meet the data storage, and is usually discarded and not reused, resulting in a waste of resources

Method used

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  • Storage space management method and device, electronic equipment and storage medium
  • Storage space management method and device, electronic equipment and storage medium
  • Storage space management method and device, electronic equipment and storage medium

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Embodiment Construction

[0031] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0032] The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0033] Index area: the area used to store the index corresponding to the data block in the storage device.

[0034] Data block: A block used to store data in a storage device.

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Abstract

The invention discloses a storage space management method and device, electronic equipment and a storage medium, and relates to the field of data storage. The method comprises the steps of obtaining aspatial index of a storage space occupied by a data block in storage equipment; determining a space utilization state parameter of a storage space occupied by the data block according to the space index; and finally, if the space utilization state parameter is in a preset numerical value interval, executing the next step; if so, migrating the data segment according to the spatial index so that all fragment idle spaces are combined into a target idle space; integrating all fragment idle spaces in the storage space occupied by the data block into one idle space so that the integrated idle spacecan meet data storage, repeated utilization of the idle space is achieved, storage resources are saved, fragment idle space integration is carried out only when the space utilization state parametersare located in the preset numerical value interval, and IO consumption is small while repeated utilization of the idle space is met.

Description

technical field [0001] The present application relates to the field of data storage, and in particular to a storage space management method, device, electronic equipment, and storage medium. Background technique [0002] Cloud storage is a system that integrates a large number of storage devices in the network through application software to work together through cluster applications, grid technology, and distributed self-storage file systems to jointly provide data storage and business access functions. Each storage server in cloud storage is called a storage node. Storage nodes include storage devices for storing data, such as disks, SSDs, and FC devices. [0003] Generally, in a storage device, multiple data blocks are stored, and each data block includes multiple data segments. When the storage space of the data block is not fully occupied by the data segment, it means that there is idle space in the storage space of the data block. . [0004] In the prior art, when t...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0608G06F3/064G06F3/0671
Inventor 刘建文
Owner HANGZHOU HIKVISION SYST TECH
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