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EMC UNITY: MIGRATION TECHNOLOGIES A Detailed ReviewABSTRACT This white paper reviews moving data within a EMC Unity system and the options available for migrating data from a EMC CLARiiON, Celerra, VNX, or VNXe series system to the EMC Unity™ platform. An overview of each solution is provided, followed by a discussion of the solution’s merits and applications. This paper serves as a centralized resource for migration options and contributes to the overall decision making process of arriving at EMC Unity. December, 2016WHITE PAPERThe information in this publication is provided “as is.” Dell Inc. Makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a particular purpose. Use, copying, and distribution of any software described in this publication requires an applicable software license.
Copyright © 2016 Dell Inc. Or its subsidiaries. All Rights Reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc.
Or its subsidiaries. Other trademarks may be the property of their respective owners. Published in the USA 12/16 White Paper H15163.2Dell EMC believes the information in this document is accurate as of its publication date. The information is subject to change without notice.2TABLE OF CONTENTS EXECUTIVE SUMMARY.5 Audience. 5TERMINOLOGY.5 EMC UNITY FAMILY.6 MIGRATION OVERVIEW BY PLATFORM.6 Moving Within Unity. 6 Migration From EMC VNX1/VNX2.
6 Migration From EMC VNXe1600/VNXe3200. 7 Migration From EMC VNXe3100/VNXe3300. 7 Migration From EMC CLARiiON. 8 Migration From EMC Celerra. 8MIGRATION SOLUTIONS REVIEW (BLOCK).8 Local LUN Move.
8 Unity Asynchronous Block Replication. 9 EMC SAN Copy (Push).
10 Native SAN Copy Import. 11 EMC PowerPath Migration Enabler. 12 EMC RecoverPoint.
12 EMC VPLEX. 13 Host-Based LVM Migration. 14MIGRATION SOLUTIONS REVIEW (FILE). 14 Unity File Import. 14 EMC Select Datadobi Dobiminer. 18 EMCopy. 18 Robocopy.
18 Rsync. 19MIGRATION SOLUTIONS REVIEW (OTHER). 19 EMC RecoverPoint for VMs. 19 VMware Storage vMotion.
20 REFERENCES. 21 APPENDIX A: BLOCK MIGRATION OPTIONS. 22 APPENDIX B: FILE MIGRATION OPTIONS. 234EXECUTIVE SUMMARY Choosing an EMC Unity system for its truly Unified platform and management operations has never been easier. With a series of flexible deployment options, from purpose-built Hybrid and All Flash configurations, to the software defined UnityVSA and the converged offering within VCE Vblock, the EMC Unity series can fit the needs of a small to medium business and enterprise class business alike.
Whether chosen as part of a tech refresh or to operate alongside existing EMC hardware, it is important for EMC Unity to support a broad set of options for performing migration. Data migration involves the transferal of data and host connectivity from one storage device to another. When considering which form(s) of migration to utilize, many factors are considered.
The type of data: block, file, or both influences which tools can be used. The amount of data and its scale (number of block devices, file systems, etc.) also are important considerations. The means of migration can be a factor, whether it is done natively or through a host based solution. Tolerance to downtime is another major concern – can the migrated data be held inaccessible for a period of time or is absolute or near-absolute cutover a necessity? Finally, cost will often lead the decision making process to a conclusion. The intention of this paper is to provide a single resource which lists the supported migration options for each platform and help guide the decision making process.
It should not however be the only resource consulted for making this decision and following through with the migration itself. To this end, links and references to supporting material will be provided at the end of each sub-section, with Unityspecific documentation included at the end of this document, under References.
Telecharger les sopranos saison 1 vostfr vf 2. This white paper reviews the various options available for performing migration to EMC Unity. The first portion of the paper outlines the options available for a specific platform: EMC CLARiiON, EMC Celerra, the EMC VNX family, and the EMC VNXe series. The second half of the paper discusses each solution and reviews the various focus areas of consideration.
It is recommended to use the first section to identify the specific solutions for your particular hardware, then investigate those solutions via the second section.AUDIENCE This white paper is intended for IT administrators, storage architects, partners, EMC employees and any other individuals involved in the evaluation, acquisition, management, operation, or design of an EMC networked storage environment utilizing the EMC Unity family of storage systems. It is written with the assumption that the reader is planning to perform a migration to EMC Unity themselves or for an end-user, and assumes a basic understanding of migration concepts and workflow.TERMINOLOGY.Commit – A part of the migration process used by some migration solutions. After a migration session is cutover and access is provided from the destination system, a commit removes any existing migration connections and ends any data transfer between systems. For some migration solutions, the cutover operation includes the commit process.Cutover – The process of changing the primary storage node from the source system in a migration session to the destination system.
During this process, host access to the device on the source is removed and presented from the destination.Disruption – A period of downtime associated with the cutover process during a migration session. With some migration solutions, a disruption period is necessary in order to begin hosting resources from the destination system.Migration or Tech-refresh – A term used to describe the process of changing an existing production storage system with another storage system. Migrations are often necessary when a company installs replacement storage hardware as part of a tech refresh or to replace systems going end of life.Rollback – The act of returning the state of systems in a migration session to their pre-migration status. For example, if a migration is cutover and hosts are accessing data from the new storage system, but it is desired to return storage responsibility to the source system, a rollback can be performed.5EMC UNITY FAMILYFigure 1.EMC Unity FamilyEMC Unity sets the new standards for midrange storage with a powerful combination of simplicity, modern design, affordable price point, and deployment flexibility – perfect for resource-constrained IT professionals in large or small companies. Unity is perfect for midsized deployments, Remote Office/Branch Office locations, and cost-sensitive mixed workload environments.
It is designed for allflash, delivers the best value, and is available in purpose-built (all flash or hybrid flash), converged deployment (through VCE), and as a software-defined virtual edition. With all-inclusive software, new differentiated features, internet-enabled management, and a modern design, Unity is where powerful meets simplicity.MIGRATION OVERVIEW BY PLATFORM The following section presents an EMC storage product and reviews the available migration solutions to perform migration to a EMC Unity system. The following products are discussed: EMC VNX, EMC VNXe, EMC CLARiiON, and EMC Celerra. While the focus of this paper will be on this discreet set of EMC products, the Migration Solutions Review sections will mention a specific solution’s support for other EMC storage systems and third-party arrays when applicable.MOVING WITHIN UNITY The EMC Unity series allows for the relocation of storage resources on a Unity system through the Local LUN Move feature. This feature is available for VMFS Datastores and Block LUNs, including LUNs within a Consistency Group.
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The ability to relocate data between pools or within the same pool at the LUN level allows for manual control over data distribution and load balancing. With the introduction of Unity Compression, the Local LUN Move feature allows existing Block LUNs to leverage compression if they are moved into or within an All Flash pool.MIGRATION FROM EMC VNX1/VNX2 The EMC VNX series provides effective block, file, and Unified storage for the midrange market and has been a cornerstone of the EMC portfolio for a number of years. With the introduction of EMC Unity many customers seek a migration path from VNX1/VNX2, and as a result there are a large number of solutions available for both block and file migration.