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Dell PowerVault™ TL4000/TL2000 Failover Guide

Dell PowerVault™ TL4000/TL2000 Failover Configuration Guide

This document describes the failover feature, outlines the supported failover configurations for the Dell

PowerVault™

TL4000 and TL2000 products and provides instructions for configuring the library, drives,

and host server for failover.

Please note the supported configurations are closely related to the LTO drive generation and form factor

installed in the tape library. Please refer Dell PowerVault™ supported Failover configuration matrix table

1 and 2

Contents

What is Failover?........................................................................................................................................... 2

Dell PowerVault™ TL2000/TL4000 Configuration Support matrix ............................................................... 2

Basic Environment Configuration Requirements.......................................................................................... 3

Failover Support Configuration Details......................................................................................................... 4

Configuration Samples.................................................................................................................................. 4

LT05 Specific Requirements For Failover Support ...................................................................................... 11

Heterogeneous validated configurations ................................................................................................... 13

Configuring your Environment to Support Failover.................................................................................... 15

Dell PowerVault™ TL2000/TL4000 Library Failover Setup.......................................................................... 16

Take the Library Offline............................................................................................................................... 16

Upgrade Library and Drive Firmware to the Latest Version ....................................................................... 16

Backup Host Control Path Failover Setup ................................................................................................... 18

Backup Application Setup and Support ...................................................................................................... 18

Failover Configuration Verification ............................................................................................................. 20

Failover Test Procedure .............................................................................................................................. 20

Failover Performance considerations ......................................................................................................... 21

Appendix A - Recovering from a failover event .......................................................................................... 22

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Always refer to www.dell.com\support for latest documentation and updates