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Data migration method, device and equipment

A technology of data and incremental data, which is applied in the computer field to achieve the effect of ensuring integrity and avoiding incompatibility

Active Publication Date: 2019-10-25
INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the embodiments of this specification is to provide a data migration method, device, and equipment to solve how to realize data migration without affecting the provision of services to the outside world, so as to ensure the service experience of users

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  • Data migration method, device and equipment
  • Data migration method, device and equipment

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present specification in combination with the drawings in the embodiments of the present specification. Obviously, the described embodiments are only some of the embodiments of the present specification, not all of them. Based on the embodiments in this specification, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this specification.

[0031] When there is a need to migrate data, for example, there are too many redundant files in the storage system, it is necessary to obtain valid files by migrating data, and then free the redundant storage system space by reclaiming the storage system. Therefore, when a data migration request is received, data migration needs to be performed on the data in the storage system.

[0032] In order to better understand the data migration method introdu...

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Abstract

The embodiment of the invention provides a data migration method, a data migration device and equipment. The method comprises the following steps: migrating a full-volume data index in an old storagesystem to a new storage system, and marking a time period for migrating a first data index as a full-volume migration time period; obtaining an incremental data index generated in the old storage system in the full migration time period; if the quantity of the incremental data indexes is smaller than a migration data threshold value, switching a storage system providing service from an old storagesystem to a backup storage system; migrating the incremental data index to a new storage system; switching the storage system providing the service from the backup storage system to a new storage system; and migrating the data in the old storage system to the new storage system according to the data index in the new storage system. By means of the method, data migration in the storage system canbe achieved under the condition that services provided to the outside are not affected, so that the service request of a user is guaranteed. The user experience is improved.

Description

technical field [0001] The embodiments of this specification relate to the field of computer technology, and in particular to a data migration method, device, and equipment. Background technique [0002] With the development of society, the generated data is constantly increasing, and the current storage system used to store data is also constantly updating internal data. A large number of data files are stored in these data storage systems. When the data file is updated, a new data file is additionally generated for the data file, and the index is made to point to the new data file when searching for data. But in this way, the number of old data files corresponding to the data file that cannot be used is increasing, and the redundant files in the data storage system are also increasing, thereby affecting the normal operation of the system and reducing the work efficiency. [0003] Therefore, when there are many redundant files in the system, data in the system needs to be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/185G06F16/174G06F16/178G06F3/06G06F11/14
CPCG06F16/185G06F16/174G06F16/178G06F3/0647G06F11/1458
Inventor 韩霜阳兵张学舟林丹
Owner INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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