Application Notes Linux Device Mapper Multipath with Data Replication Solutions for HP StorageWorks EVA and XP disk arrays (5697-7807, October 2008)

Document overview

This document helps you understand the concepts involved in using Device Mapper Multipath with

stora ge replication solutions like Business Copy and Continuous Access for HP Stora geWorks Enterprise

Virtual Arrays and HP StorageWorks XP disk arrays. This includes recommendations for using Device

Mapper M ult

ipathintheseenvironments.

This do cument is not designed to replace the documentation supplied with individual solution components

but, rather, is intended to serve as an ad ditional resource for using Device Mapper Multipath for Linux

with the data replication solutions provided by HP StorageWorks disk arrays.

Intended audience

This document is intended for users who would be using storage replication solutions to achieve data

consistency, high availability and disaster tolerance with Device M apper Multipath for Linux operating

systems.

Prerequisites

This docu

ment assumes that the user is familiar with the following:

• HP StorageWorks Disk Arrays

• Linux Device M apper Multipath

• Busines

sCopySolution

• Continuous Access Solution

Information not provided

This document does not provide the following information:

• Installing and conﬁguring Linux Device Mapper Multipath

• UsingHPStorageWorksBusinessCopysolution

• Using HP Stora geWorks Continuous Access solution

Additi

onal Information

For detailed information on storage arrays, storage software and Device Mapper M ultipath software,

visit the following websites:

Table 1 Storage arrays and software

Topic

HP Website

Storage array systems

ttp://h18006.www1.hp.com/storage/arraysystems.html

Stora

ge software

ttp://h18006.www1.hp.com/storage/software/index.ht ml

HP Device Mapper Multipath for Linux http://www.hp.com/go/devicemapper

Introduction

HP St

orageWorks disk arrays provide disaster recovery solutions like Business Copy and Continuous

Acce

ss for high availability of data, d ata consistency and disaster tolerance. Business Copy is a

storage management appliance b ased, high-speed, non-disruptive local mirroring technology which

enables business continuity.

Linux Device Mapper Multipath with Data Replication Solutions for HP StorageWorks EVA and XP disk arrays