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Metadata acceleration method and device and storage equipment

A storage device and acceleration device technology, applied in the storage field, can solve problems such as metadata management risks, achieve performance, improve overall system efficiency, and reduce latency

Pending Publication Date: 2020-05-22
深圳市安云信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

2. Writable cache mechanisms, such as bcache, need to save cached metadata to non-volatile storage, which means that this will cause additional reads and writes, and additional metadata management will also cause additional risk

Method used

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  • Metadata acceleration method and device and storage equipment
  • Metadata acceleration method and device and storage equipment
  • Metadata acceleration method and device and storage equipment

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Embodiment Construction

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without cre...

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Abstract

The invention relates to the technical field of storage, and particularly relates to a metadata acceleration method and device and storage equipment. By establishing a logical volume of a mixed medium, a high-speed medium and a low-speed medium are clearly distributed according to the disk layout of a file system used on a block device, so that metadata of the file system is enabled to be always located on the high-speed medium. Therefore, the response speed of metadata access of the file system is increased, the delay of accessing the file system by an application program is reduced, and theoverall efficiency of the system is improved.

Description

technical field [0001] The present invention relates to the field of storage technology, in particular to a metadata acceleration method, device and storage device. Background technique [0002] In the scenario where the file system requires frequent metadata access, for example, a large number of small file indexes, ordinary disks are often difficult to meet the performance requirements. If you use a traditional caching mechanism, such as bcache, to cache hot data to speed up access, it has the following disadvantages: [0003] 1. The cache mechanism needs to be warmed up, that is, the data that needs to be accessed can be accelerated by reading in advance. 2. Writable cache mechanisms, such as bcache, need to save cached metadata to non-volatile storage, which means that this will cause additional reads and writes, and additional metadata management will also cause additional risk. 3. The cache capacity does not occupy the overall storage capacity. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0611G06F3/061G06F3/0631G06F3/064G06F3/0644G06F3/068
Inventor 王建超
Owner 深圳市安云信息科技有限公司