RemoteCopyUserManual.pdf

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LeftHand
Networks®
Remote Copy
User Guide
LeftHand Networks, Inc.
2580 55th Street
Boulder CO 80301
(303) 449-4100
www.LeftHandNetworks.com
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This manual is the confidential and proprietary
product of LeftHand Networks, Inc. Any
unauthorized use, reproduction, or transfer of this
manual without the express, written consent of
LeftHand Networks, Inc. is strictly prohibited.
This manual is designed to provide accurate and
authoritative information in regard to the use of the
the Centralized Management Console, and the
SAN/iQ® software, proprietary products of
LeftHand Networks, Inc. Information in this
document is subject to change without notice and
does not represent a commitment on the part of
LeftHand Networks, Inc.
The software described in the document is furnished
under a license agreement. The software may be used
or copied only in accordance with the terms of the
agreement. It is against the law to copy the software
on any medium except as specifically allowed in the
license or nondisclosure agreement.
The software distributed to you by LeftHand
Networks, Inc. includes certain software packages
indicated to be subject to one of the following open
source software licenses: GNU General Public
License ("GPL"), the GNU Lesser General Public
License ("LGPL"), or the BSD License (each, an
"OSS Package"). Please refer to the license_readme
file included with the software for additional
information regarding the application of these
licenses to the OSS Packages and your rights and
responsibilities under these licenses.
The software described in the document includes
software developed by the Apache Software
Foundation, The Legion of the Bouncy Castle, and
Free Software Foundation, Inc.
© Copyright 2001-2008 LeftHand Networks, Inc. All
rights reserved. LeftHand Networks, the LeftHand
Networks logo, SAN/iQ and AEBS are registered
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trademarks of LeftHand Networks. Distributed
Storage Matrix and Remote IP Copy are trademarks
of LeftHand Networks.
© Copyright 1999 The Apache Software Foundation.
All rights reserved.
© Copyright 2000 The Legion of the Bouncy Castle.
All rights reserved.
© Copyright 1991, 1999 Free Software Foundation,
Inc. All rights reserved.
Part number 26200001812 Rev A
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Table Of Contents
Chapter 1
Understanding and Planning Remote Copy
Remote Copy Overview .................................... 1
Topics Covered in this Chapter ......................... 1
How Remote Copy Works................................. 1
Planning for Remote Copy ................................ 8
Using Schedules for Remote Copy.................... 9
Chapter 2
Using Remote Copy
Remote Copy Overview .................................. 15
Working with Remote Snapshots .................... 15
Monitoring Remote Snapshots ........................ 30
Scheduling Remote Snapshots......................... 36
Failover and Failback Using Remote Copy..... 43
Resuming Production After Failover............... 54
Rolling Back Primary and Remote Volumes .. 59
Using Remote Snapshots for Data Migration and
Data Mining ............................................... 61
Disassociating Remote Management Groups.. 61
Chapter 3
Sample Remote Copy Configurations
Overview ......................................................... 65
Using Remote Copy for Business Continuance 65
Using Remote Copy for Off-site Backup and
Recovery .................................................... 76
Using Remote Copy for Data Migration
or Cloning .................................................. 83
Index 87
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