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Data object storage method and device and storage medium

A technology for data objects and object storage devices, which is applied in electrical digital data processing, data processing input/output processes, instruments, etc. Into the unhealthy and other problems, to achieve the effect of improving business continuity, avoiding low space utilization, and avoiding business interruption

Pending Publication Date: 2021-04-02
NEW H3C BIG DATA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The user data to be written into the storage space is first sent to the storage node after forming the user data object, and the storage node calculates the HASH value of the user data object identifier, and then uses the calculated HASH value to address the Placement Group (PG) The modulus of the number of user data objects can be determined to determine which PG the user data object needs to be written to. Although this kind of user data object writing rule can guarantee the balance of data distribution to a certain extent, it may also cause the user data to be written to Unhealthy PG problems affect business continuity, and storage nodes cannot flexibly decide where to write user data objects

Method used

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  • Data object storage method and device and storage medium
  • Data object storage method and device and storage medium
  • Data object storage method and device and storage medium

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Embodiment Construction

[0026] Terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments, not limiting the embodiments of the present disclosure. The singular forms "a", "said" and "the" used in the embodiments of the present disclosure are also intended to include the plural forms unless the context clearly indicates otherwise. As used in this disclosure, the term "and / or" is meant to encompass any and all possible combinations of one or more of the associated listed items.

[0027] It should be understood that although the embodiments of the present disclosure may use the terms first, second, third, etc. to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the embodiments of the present disclosure, first information may also be called second information, and similarly, sec...

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Abstract

The invention provides a data object storage method, a data object storage device and a storage medium, which are used for solving the technical problems of data balance and service continuity. According to the method, a health PG list is obtained from a monitoring node through an ROW module, a received user data object is converted into an ROW object, a mapping PG used for storing the ROW objectis selected from the health PG list through a preset data equilibrium distribution algorithm, an ROW object identifier is allocated to the ROW object, and the ROW object identifier comprises an ROW module identifier, an identifier of the mapping PG and a serial number; the ROW object is then written to the OSD in the mapped PG. According to the invention, the balanced storage of the ROW object canbe realized, and the service continuity is improved.

Description

technical field [0001] The present disclosure relates to the technical field of storage clusters, and in particular to a data object storage method, device and storage medium. Background technique [0002] A Ceph storage cluster includes multiple storage nodes, and one or more object storage devices (Object Storage Device, OSD) are hung under each storage node. The user data to be written into the storage space is first sent to the storage node after forming the user data object, and the storage node calculates the HASH value of the user data object identifier, and then uses the calculated HASH value to address the Placement Group (PG) The modulus of the number of user data objects can be determined to determine which PG the user data object needs to be written to. Although this kind of user data object writing rule can guarantee the balance of data distribution to a certain extent, it may also cause the user data to be written to Unhealthy PG problems affect business conti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/30G06F3/06
CPCG06F11/3006G06F3/067G06F3/0629
Inventor 闵顺新
Owner NEW H3C BIG DATA TECH CO LTD
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