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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
l|Page 12/31/09version2.0
Always refer to www.dell.comXsupport for latest documentation and updates
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Inhaltsverzeichnis

Seite 1 - Contents

Dell PowerVault^*^ TL4000/TL2000 Failover GuideDell PowerVault^*^ TL4000/TL2000 Failover Configuration GuideThis document describes the failover featu

Seite 2 - What is Failover?

Dell PowerVault^*^ TL4000/TL2000 Failover GuideSingle SAS Drive Failover Configuration(one host with two NBAs, and One SAS drive)Main PathFailover Pat

Seite 3 - LT04 Drives LT05 Drives

aDell PowerVault^*^ TL4000/TL2000 Failover GuideSingle FC Drive Failover configuration(Two HBA adapters, One FC switch, and one FC drive)Main PathFail

Seite 4 - Configuration Samples

Dell PowerVault^*^ TL4000/TL2000 Failover GuideFailover configuration(one host, two FC NBAs, One FC switch, three FC drives)Wiai.r.-.-.:-'-Main P

Seite 5

Dell PowerVault^*^ TL4000/TL2000 Failover GuideFailover configuration(one host with three dual port NBAs, and three SAS drives)Main PathFailover PathF

Seite 6

Dell PowerVault^*^ TL4000/TL2000 Failover GuideFailover configuration(one host, one switch, two FC drives)Main PathFailover PathFigure 10: Reference C

Seite 7

Dell PowerVault^*^ TL4000/TL2000 Failover GuideFailover configuration(one host with two NBAs, and two SAS drives)BSa:" —Main PathFailover PathFig

Seite 8

Dell PowerVault^*^ TL4000/TL2000 Failover Guide• Dell PowerVault™ TL2000/TL4000 Microsft Windows device driver. The driver can be downloaded from Dell

Seite 9 - 9

Dell PowerVault^*^ TL4000/TL2000 Failover Guidecode was sent to you. Please follow the instructions on the failover authorization code certificate to

Seite 10 - 1Q_1 Page 12/31/09version2.0

Dell PowerVault^*^ TL4000/TL2000 Failover GuideThe library validates the entered license key and provides a "Failover Enabled" message upon

Seite 11 - Failover Path

Dell PowerVault^*^ TL4000/TL2000 Failover GuideNote: Please follow the steps under Backup Application Setup and Support for Configuring Dual Host Bus

Seite 12 - Failover configuration

Dell PowerVault^*^ TL4000/TL2000 Failover GuideWhat is Failover?Failover is an optional feature available for the Dell PowerVault ™ TL4000 and TL2000

Seite 13

9Dell PowerVault^*^ TL4000/TL2000 Failover GuideFailover Configuration VerificationFollow the steps in the table below to test your configuration was

Seite 14

Dell PowerVault^*^ TL4000/TL2000 Failover GuideFailover Performance considerationsThe failover feature requires the Dell PowerVault™ TL2000/TL4000 lib

Seite 15

Dell PowerVault^*^ TL4000/TL2000 Failover GuideAppendix A - Recovering from a failover eventRecovering from a data path failover event in the tape bac

Seite 16 - Take the Library Offline

Dell PowerVault^*^ TL4000/TL2000 Failover GuideDrive LT03 DrivesLT04 Drives LT05 DrivesSupportedDriveFailoverSupportSupported Failover Drive SupportSu

Seite 17 - 17 ¡Page 12/31/09version2.0

Dell PowerVault^*^ TL4000/TL2000 Failover GuideLT04 Configurations LT05 Configurations•Two homogeneous (Fibre Channel or SAS)•Two or more homogeneous

Seite 18 - 18 (Page 12/31/09version2.0

aDell PowerVault™ TL4000/TL2000 Failover GuideFailover configuration(one host, one switch, two FC drives)iliiliilJMain PathFailover PathFigure 1: Refe

Seite 19 - Ifc 2900-2

Dell PowerVault™ TL4000/TL2000 Failover GuideFailover configuration(one host, two NBAs, two switches, two FC drives)Main PathFailover PathFigure 2: Re

Seite 20 - Failover Test Procedure

Dell PowerVault^*^ TL4000/TL2000 Failover GuideFailover configuration(one host with two NBAs, and two SAS drives)BSa:" —Main PathFailover PathFig

Seite 21 - 21

Dell PowerVault™ TL4000/TL2000 Failover GuideFailover configuration(Host with dual port HBAs, two FC switches, and two FC drives)Main PathFailover Pat

Seite 22 - 22

Dell PowerVault^*^ TL4000/TL2000 Failover GuideMultiple Host Failover configuration(two hosts, two FC switches, and 2 FC drives)Main PathFailover Path

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