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Application Note

Remote Data Migration for iSR6200

Introduction

This application note provides instructions for performing remote data migration using the QLogic

iSR6200 Series of intelligent Storage Routers listed in the Products Affected table. These routers are

collectively referred to as the iSR6200 throughout this application note. The iSR6200 command line

interface is referred to as the CLI, and the SANsurfer

Router Manager utility is referred to as the GUI

throughout this document.

Remote data migration jobs are run as asynchronous mirror operations. During the initial copying

phase of remote online migration, the iSR6200 tracks I/Os occurring in the already copied blocks by

creating dirty region logs (DRLs). Remote online migration also keeps track of the I/Os after the initial

copying phase and creates DRLs. The DRLs are stored in the data management LUN (DML). After the

initial copying phase is complete, the DRLs are flushed continually.

Prerequisites

Before configuring remote data online migration jobs, you must configure the DML on the iSR6200. If

you choose to migrate to a remote array in the offline mode, you need not create a DML. DMLs created on

one blade are available for remote migration jobs across both blades. You can configure up to eight LUNs

as DMLs. The maximum supported DML capacity is 2TB. For more information, see the Data Migration

Service for iSR6200 User’s Guide.

Remote Migration Use Cases

The iSR6200 supports the following use cases for remote migration. Section 4 Configuration provides

details on setting up the iSR6200 for these use cases:

 Use Case 1: The source array is at the local site, and the destination array is at a remote site.

Use Case 1 typically applies to scenarios where the servers in a data center at Site A (the local site)

are moved to a data center at Site B (the remote site) and the data storage associated with the servers

are consolidated with existing or new storage arrays at Site B.

Products Affected

QLogic Storage Router

iSR6240

iSR6250

iSR6260

1 2 3 4 5 6 ... 10 11

Inhaltsverzeichnis

Seite 1 - Application Note

SN0051424-00 B 1Application NoteRemote Data Migration for iSR62001IntroductionThis application note provides instructions for performing remote data

Seite 2 - Performing Remote Migration

6 – Remote Migration Topology ExamplesSN0051424-00 B 106.4iSCSI-to-Fibre Channel Remote Offline MigrationThe iSCSI-to-Fibre Channel topology shown in

Seite 3

SN0051424-00 B 11Corporate Headquarters QLogic Corporation 26650 Aliso Viejo Parkway Aliso Viejo, CA 92656 949.389.6000 www.qlogic.comIn

Seite 4 - Best Practices

4 – ConfigurationSN0051424-00 B 2 Use Case 2: The source and destination arrays are at the local site initially.For Use Case 2, after the initial co

Seite 5

4 – ConfigurationSN0051424-00 B 34.2Configuring Local and Remote iSR6200 Routers for iSCSI PresentationTo configure local and remote iSR6200 routers

Seite 6

5 – Best PracticesSN0051424-00 B 413.After successfully logging in, you see the LUNs on the logged-in target as follows: For Use Case 1, a new array

Seite 7 - Using iSCSI Presented Targets

5 – Best PracticesSN0051424-00 B 5 Refer to the attached Timeline for Remote Migration Project.xlsx spreadsheet to estimate the amount of data that

Seite 8 - Using FCIP

6 – Remote Migration Topology ExamplesSN0051424-00 B 6Figure 5-1. Example Time Line for Remote Migration Project6Remote Migration Topology ExamplesTh

Seite 9

6 – Remote Migration Topology ExamplesSN0051424-00 B 76.1Fibre Channel-to-Fibre Channel Remote Online and Offline Migration Using iSCSI Presented Tar

Seite 10 - SN0051424-00 B 10

6 – Remote Migration Topology ExamplesSN0051424-00 B 86.2Fibre Channel-to-Fibre Channel Remote Online and Offline Migration Using FCIPThe Fibre Chann

Seite 11 - Document Revision History

6 – Remote Migration Topology ExamplesSN0051424-00 B 96.3Fibre Channel-to-iSCSI Remote Online and Offline MigrationThe Fibre Channel-to-iSCSI topolog

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