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System and method for migration of data clones

A copy and data technology, applied in the field of data copy migration between storage systems, can solve the problem of not maintaining the relationship between basic flexible volumes and basic flexible volumes

Inactive Publication Date: 2014-03-05
NETWORK APPLIANCE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Thus, traditional data migration techniques at the flexible volume level do not maintain the relationship between the underlying flexible volume and any copies of the underlying flexible volume

Method used

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  • System and method for migration of data clones
  • System and method for migration of data clones

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Embodiment Construction

[0028] In the following description, numerous details and substitutions are set forth for purposes of explanation. However, one skilled in the art will recognize that the embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order not to obscure the embodiments with unnecessary detail.

[0029] The following description is divided into three parts. Section I contains terminology used herein. Section II describes the clustered storage system environment in which some embodiments operate. Section III describes systems and methods for migrating copies of data between storage systems.

[0030] I. Terminology

[0031] Storage Object: As used herein, a storage object includes any type of container used to store data. Examples of storage objects include, but are not limited to, files, LUs, qtrees, volumes, flexible volumes, aggregates, storage devices, and the like. For purposes of ill...

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Abstract

System and method for migrating data from a source storage site to a destination storage site. The data may be comprised within storage objects (e.g., flexible volumes). A base storage object may comprise a parent storage object and a storage object clone may comprise a storage object that is derived from the base storage object. As such, a hierarchical relationship exists between the base storage object and the storage object clone. The storage object clone may comprise a writable point-in-time image of the parent storage object. If a migration of the base storage object and the storage object clone is performed, then the hierarchical relationship between the base storage object and the storage object clone is retained after the storage objects are migrated from the source storage site to the destination storage site. As such, the system and method for migrating data may enable storage space and network bandwidth savings.

Description

technical field [0001] Embodiments of the present invention relate to storage systems, and in particular to the migration of data copies between storage systems. Background technique [0002] A storage system typically includes one or more storage devices into which information can be input and from which it can be obtained as desired. A storage system includes a storage operating system that functionally organizes the system by, inter alia, invoking storage operations that support storage services implemented by the system. The storage system can be implemented according to a variety of storage architectures including, but not limited to, network-attached storage environments, storage area networks, and disk assemblies directly attached to client or host computers. A storage device is typically a disk drive organized as an array of disks, where the term "disk" generally describes a self-contained rotating magnetic media storage device. The term "disk" in this context is s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/16G06F9/06
CPCG06F17/30G06F12/02G06F3/0613G06F3/0608G06F3/0647G06F3/067G06F16/10G06F16/25
Inventor D.穆希甘地H.克雷曼N.索马瓦拉普T.乔治
Owner NETWORK APPLIANCE INC
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