Data access method and device

A data access and to-be-accessed technology, applied in the storage field, can solve the problems of inflexible resource allocation and difficult application programs, and achieve the effect of flexible resource allocation and intuitive bandwidth allocation.

Inactive Publication Date: 2011-06-22
HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method requires the purchase of multiple storage devices, and the way of resource allocation is not flexible enough, so it is difficult to apply to applications with different levels of importance

Method used

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Embodiment Construction

[0019] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, 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.

[0020] The embodiment of the present invention provides a data access method and device, which can ensure that important application programs have sufficient bandwidth to access data.

[0021] see figure 1 , an embodiment of the data processing method in the embodiment of the present invention includes:

[0022] 100. Receive a data access request, where the data access request includes a storage space to be accessed;

[0023] Specifically, when processing an application program, it i...

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PUM

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Abstract

The embodiment of the invention discloses a data access method and device, and the method comprises the following steps: receiving a data access request, wherein the data access request contains a storage space to be accessed; determining the bandwidth to be configured to the storage space to be accessed based on the preset correspondence between the storage space and the bandwidth; and when the current access flow can not reach the upper limit of the bandwidth distributed to the storage space to be accessed, handing down the data access request so as to access data. According to the invention, under the premise of not additionally arranging extra equipment, important application programs are ensured to have enough bandwidth for processing, and the resource distribution mode is more flexible, thus the method and device provided by the invention are suitable for the occasions with various application programs of different importance levels.

Description

technical field [0001] The invention relates to the storage field, in particular to a data access method and device. Background technique [0002] Due to the complexity of the business, multiple applications are usually processed on the application server at the same time, and all of them need to read and write disks. The disks here include the server's local disk and the logical unit (Logic Unit, LU) mapped to the server through an external storage array. Wait. Compared with the high speed of CPU operation, the speed of disk access is much lower, which also becomes an important factor affecting application performance. The limited access bandwidth of the disk is related to many factors, such as the disk speed, the link bandwidth between the server and the storage array, etc., and relying on the disk speed, the link bandwidth between the server and the storage array, etc. It is more difficult and cannot be improved without limit, so it is necessary to give priority to ensu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06H04L12/24G06F3/06
Inventor 张力
Owner HUAWEI DIGITAL TECH (CHENGDU) CO LTD
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