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A resource allocation method and device of a hard disk in a distributed storage system

A distributed storage and resource allocation technology, applied in the field of hard disk resource allocation in distributed storage systems, can solve problems such as contention for input and output, bandwidth fluctuations, and inability to provide bandwidth to users

Active Publication Date: 2019-03-08
HUAWEI CLOUD COMPUTING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When multiple users use the hard disk for data processing at the same time, there will be competition for input and output (IO) resources, which will cause bandwidth fluctuations and cannot provide users with sufficient bandwidth.

Method used

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  • A resource allocation method and device of a hard disk in a distributed storage system
  • A resource allocation method and device of a hard disk in a distributed storage system
  • A resource allocation method and device of a hard disk in a distributed storage system

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present application are described in more detail below.

[0031] see figure 1 , is a schematic diagram of a system architecture of a distributed storage system provided in an embodiment of the present application, and the system includes a resource allocation device and multiple hard disks. The server and the multiple hard disks are introduced below.

[0032]A resource allocation device, which may be a server, can respond to a service request, process the service request, and have the ability to undertake and guarantee the service. In the embodiment of the present application, the resource allocation device has the function of allocating hard disk resources, selects a hard disk set that meets the bandwidth demand of the first user from the multiple hard disks according to the bandwidth requirements and storage specifications of the first user, and then selects the hard disk set from the hard disk set A first logical st...

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Abstract

The embodiment of the present application discloses a resource allocation method of a hard disk in a distributed storage system. The distributed storage system comprises a plurality of hard disks. Themethod includes selecting a hard disk set from the plurality of hard disks according to a bandwidth requirement and a storage specification of a first user, wherein the storage bandwidth of the firststorage space of each hard disk in the hard disk set satisfies the bandwidth requirement; determining the number of hard disks in the hard disk set by the storage specification, wherein the storage specification is based on a multi-copy or erasure code technology; creating a first logical storage space for the first user from the hard disk set, wherein a first storage space of each hard disk in the hard disk set provides a storage space for the first logical storage space. A low bandwidth limit of a hard disk can be guaranteed by an embodiment of that present application.

Description

technical field [0001] The present application relates to the field of computers, and in particular to a resource allocation method and device for a hard disk in a distributed storage system. Background technique [0002] As a data storage medium, hard disks are widely used in the computer field. Usually, in a distributed storage system, multiple users share multiple hard disks. When multiple users use the hard disk for data processing at the same time, there will be competition for input and output (IO) resources, which will cause bandwidth fluctuations and cannot provide users with sufficient bandwidth. Contents of the invention [0003] Embodiments of the present application provide a resource allocation method and device for a hard disk in a distributed storage system, which can guarantee a lower limit of bandwidth of the hard disk. [0004] In the first aspect, the embodiment of the present application provides a resource allocation method for a hard disk. The metho...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0631G06F3/067G06F3/065G06F3/0644G06F3/0613G06F9/5016
Inventor 丁敬文
Owner HUAWEI CLOUD COMPUTING TECH CO LTD
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