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A storage method, server and storage controller

A storage controller and server technology, applied in the electronic field, can solve the problems that key-value storage devices cannot support traditional block device services, and the limitations of application range, etc., to achieve the effects of shortening IO paths and delays, improving efficiency, and reducing conversions

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

AI Technical Summary

Problems solved by technology

However, key-value storage devices cannot support traditional block device services, and their application scope is limited

Method used

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  • A storage method, server and storage controller
  • A storage method, server and storage controller
  • A storage method, server and storage controller

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Embodiment Construction

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are 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 creative efforts fall within the protection scope of the present invention.

[0051] By adopting the invention, the conversion between multi-layer storage protocol stacks can be reduced, the IO path and time delay can be shortened, and the efficiency of key-value storage can be improved.

[0052] The terms "first", "second", "third" and "fourth" in the specification and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the term...

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Abstract

The invention provides a storage method, a server and a storage controller. A protocol-pointed data segment is used for transmitting a storage request queue stored by key assignments, the storage request queue contains the operation type of a storage operation request, an internal storage address of a storage instruction sequence and a storage type identifier, the storage type identifier is used for indicating that the storage type of the storage operation request is key assignment storage or block storage so that the storage controller can perform the corresponding storage operation according to the storage request queue, conversion between multilayer storage protocol stacks is reduced, an IO path and time delay are shortened, and the key assignment storage efficiency is improved; in addition, by means of the standard storage protocol, the storage control system or the storage controller have the characteristics of key assignment storage and block storage at the same time.

Description

technical field [0001] The present invention relates to the field of electronic technology, in particular to a storage method, server and storage controller. Background technique [0002] Key-value (KV for short) data storage, its data is organized, indexed and stored in the form of key-value pairs. It has the characteristics of simple storage semantics, good storage system scalability, fast data query speed, and large data storage capacity. There are many storage protocols used in the storage system. Take the NVMe (Non-Volatile Memory Express, non-volatile memory standard) protocol as an example: the storage system using the NVMe protocol can reduce the number of general-purpose IO (Input / Output, input / output) Scheduling, SCSI (Small Computer System Interface, small computer system interface) upper layer and SCSI middle layer, short IO path, low delay, and strong concurrent processing capability. The combination of key-value storage and NVMe protocol will enable the stora...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/061G06F3/0629
Inventor 高峰
Owner HUAWEI TECH CO LTD