Data migration method applied in storage system and storage devices

A storage device and storage system technology, applied in the field of communication, can solve problems such as business discontinuity, affecting the normal use of users, and achieve the effects of achieving continuity, reducing misoperations, and reducing burdens

Active Publication Date: 2016-05-04
HUAWEI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current data migration technology generally needs to be completed manually by the user, and the original business needs to be temporarily interrupted during the migration process, resulting in discontinuous business and affecting the normal use of users

Method used

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  • Data migration method applied in storage system and storage devices
  • Data migration method applied in storage system and storage devices
  • Data migration method applied in storage system and storage devices

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Embodiment Construction

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the drawings in the embodiments of the present invention.

[0040] Hereinafter, some terms used in the embodiments of the present invention will be explained.

[0041] 1) Block storage, referred to as storage device in the embodiment of the present invention, block storage is an original block-level storage device based on a storage network, elastically scalable, and manageable and usable by a cloud computing system. One or more logical volumes (LogicalVolume) can be established in each block storage, and logical volumes can be used to store data. After the block storage is mounted to the cloud computing system, the usage method is basically the same as that of the existing ordinary hard disk.

[0042] Block storage can include diff...

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Abstract

The invention discloses a data migration method applied in a storage system and storage devices. The system and the devices are used for solving the existing technical problem that a service needs to be interrupted in data migration. When the data in a first logical volume are needed to be migrated to a second storage device, the second storage device can create a second logical volume and can store the data of the first logical volume in the second logical volume; in a data migration process, the second storage device can receive an access request originally sent to the first logical volume in the first storage device by a host; the second storage device can execute the access request; therefore, the original service is unnecessarily interrupted in the data migration process; and the service continuity is realized.

Description

technical field [0001] The invention relates to the communication field, in particular to a data migration method and a storage device applied in a storage system. Background technique [0002] With the continuous development of information technology (Information Technology, IT), the cloud computing system has gradually become a disruptive force for building data centers with its unique pay-as-you-go business model and the convenient delivery method of IT as a service. The cloud computing system allows users to no longer pay too much attention to the implementation details of the IT infrastructure, and does not need to purchase IT hardware. They only need to put forward IT resource requirements suitable for their business needs, and the cloud computing system can be used in infrastructure such as computing, network, and storage. In the pool, the corresponding resources are scheduled to meet the user's business operation needs, and the user only needs to pay for the used IT ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0614G06F3/064G06F3/0665G06F3/067
Inventor 熊小勇
Owner HUAWEI TECH CO LTD
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