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Storage method and distributed storage system

A distributed storage and storage pool technology, applied in the field of storage methods and distributed storage systems, can solve problems such as conflicts between read operations and write operations, and conflicts between write operations and write operations, so as to save storage space, avoid repeated storage, and improve The effect of utilization efficiency

Active Publication Date: 2017-06-13
北京书生信息技术有限公司
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0003] In view of this, embodiments of the present invention provide a storage method, a storage device, and a distributed storage system, which solve the conflicts between read operations and write operations and between write operations and write operations caused by existing storage methods. question

Method used

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  • Storage method and distributed storage system
  • Storage method and distributed storage system

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Embodiment Construction

[0021] 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 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 creative efforts fall within the protection scope of the present invention.

[0022] figure 1 What is shown is a schematic flowchart of a storage method provided by an embodiment of the present invention. The storage method is applied to a distributed storage system, the distributed storage system includes: at least two storage control nodes and a storage pool shared by the at least two storage control nodes, the storage pool includes at least two storage units, when When any storage control node wants to write data to the sto...

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Abstract

The embodiment of the invention provides a storage method and a distributed storage system. The problem of conflict between read operation and write operation and conflict between write operation and write operation caused by an existing storage mode is solved. The storage method is applied to the distributed storage system, the distributed storage system comprises at least two storage control nodes and one storage pool shared by at least two storage control nodes, and the storage pool comprises at least two storage units. When data is written into the storage pool by any one storage control node, the method comprises the steps that whether a repeated storage unit with data contents same as current written-in data exists in the storage pool or not is judged; if a judgment result is no, a leisure storage unit is allocated from the storage pool, and the current written-in data is written into the leisure storage unit.

Description

technical field [0001] The invention relates to the technical field of data storage, in particular to a storage method and a distributed storage system. Background technique [0002] With the increasing scale of computer applications, the demand for storage space is also increasing. Correspondingly, it has become a mainstream now to integrate storage resources (for example, storage media such as disk groups) of multiple devices as a storage pool to provide storage services. However, in a distributed storage system including multiple storage control nodes, although multiple storage control nodes simultaneously perform read operations on the same storage unit in the storage pool without conflicting with each other, when multiple storage control nodes simultaneously Conflicts may occur when a write operation is performed on the same storage unit, or conflicts may also occur when two storage control nodes simultaneously perform read operations and write operations on the same s...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0608G06F3/061G06F3/0614G06F3/0631G06F3/0655G06F3/067
Inventor 王东临齐宇
Owner 北京书生信息技术有限公司
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