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A snapshot data storage management method and device

A technology for data storage and management methods, applied in the field of snapshot data storage management methods and devices, which can solve the problems of increased IO delay in bitmap query and write operations, so as to improve snapshot read and write performance, increase read and write speed, and avoid switching The effect of swapping in and out

Active Publication Date: 2020-03-31
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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Problems solved by technology

However, this kind of data operation will cause bitmap query and write operations to increase a large amount of IO delay

Method used

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  • A snapshot data storage management method and device
  • A snapshot data storage management method and device

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Embodiment Construction

[0034] In order to enable those skilled in the art to better understand the technical solutions in the present invention, 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 The 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 shall fall within the protection scope of the present invention.

[0035] The embodiment of the present invention provides a snapshot data storage management method, please refer to figure 1 ,include:

[0036] S10: Store the generated snapshot in the internal storage module of the system in units of bitmaps.

[0037] The generated snapshot data is stored in the internal storage module of the system. ...

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Abstract

The invention discloses a snapshot data storage management method and a snapshot data storage management device. The snapshot data storage management method includes storing a generated snapshot into an internal storage module of a system by taking a bitmap as a unit; setting at least one controller in every internal storage unit in the corresponding internal storage module, wherein every controller is used for receiving an issued operation instruction and operating bitmap data in the internal storage unit according to the operation instruction. Compared with an existing snapshot data storage method, the snapshot data storage management method and the snapshot data storage management device have the advantages that generated snapshot data are stored in the internal storage module of the system and are operated by means of internal storage operation, so that swap-in swap-out operation between an internal storage and a magnetic disk is avoided, snapshot data read-write operation delay can be reduced, a read-write rate is increased and snapshot read-write performance is improved.

Description

technical field [0001] The present invention relates to the technical field of snapshot storage, in particular to a snapshot data storage management method and device. Background technique [0002] With the rapid development and application of computer technology, digital information has gradually replaced traditional paper media data, showing an average daily exponential growth, which also puts forward higher requirements for data storage. [0003] In many application industries, such as government departments, banking systems, power companies, etc., have high requirements for data security and business continuity, online data protection must be provided, and snapshot technology can realize online storage to prevent data loss. . Specifically, a snapshot is a fully available copy of a specified data set, and the copy includes an image of the corresponding data at a certain point in time (copy start time point). Snapshots enable online data backup and recovery. When the st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/11G06F3/06
CPCG06F3/061G06F3/0655G06F3/0683G06F16/128
Inventor 孟宪伟王倩王佳施培任
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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