HP SureStore DAT40e User manual

getting started guide

hp StorageWorks

DAT tape drive

external model

DAT 40e, DAT 72e

1 2

UNIX

External drives - contents

Pre-Installation

Before you start page 3

Backup software and drivers page 5

Using the CD-ROM page 7

Checking the SCSI connection page 9

Installing the tape drive

Step 1: Check the drive’s SCSI ID page 11

Step 2: Set the configuration switches (UNIX systems) page 13

Step 3: Connect the SCSI cable page 15

Step 4: Connect the power cable page 17

Step 5: Verify installation page 19

Using the tape drive

Your HP StorageWorks DAT tape drive page 21

Use the correct media page 23

Using HP OBDR page 27

Diagnostic tools page 29

Optimizing performance page 30

Troubleshooting page 31

Problems with cartridges page 35

Other sources of information page 37

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November 2003

Part Number: C5687-90906

Hewlett-Packard Company makes no warranty of any kind with regard to this material,

including, but not limited to, the implied warranties of merchantability and fitness for a

particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for

incidental or consequential damages in connection with the furnishing, performance, or use

of this material.

This document contains proprietary information, which is protected by copyright. No part of

this document may be photocopied, reproduced, or translated to another language without

the prior written consent of Hewlett-Packard. The information contained in this document is

subject to change without notice.

Microsoft®, MS-DOS®, MS Windows®, Windows®and Windows NT®are U.S.

registered trademarks of Microsoft Corporation.

UNIX®is a registered trademark of The Open Group.

Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions

contained herein. The information is provided ”as is” without warranty of any kind and is

subject to change without notice. The warranties for Hewlett-Packard Company products are

set forth in the express limited warranty statements for such products. Nothing herein should

be construed as constituting an additional warranty.

Printed in the U.K.

Product Details

Write your tape drive details here so you can find them easily if you need them. The model name is on the

front of the drive and the product and serial numbers are on a label on the bottom of the drive.

Model (type of drive):

Model (number):

Serial (number):

Warranty Serial (number):

Date purchased/installed:

SCSI ID:

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Before you start

HP StorageWorks DAT models

This guide describes how to install and operate the following HP StorageWorks DAT external

tape drive models:

•HPStorageWorksDAT72

•HPStorageWorksDAT40

Which operating systems are supported?

HP StorageWorks DAT drives can be connected to servers running under Windows®,

NetWare, UNIX, Tru64 and Linux. Refer to the “HP StorageWorks Tape Software

Compatibility” topic on our World Wide Web site (www.hp.com/go/connect) for more

information about the operating system versions that are supported.

How do I connect the drive to my server?

You will need a properly installed and configured SCSI host bus adapter (HBA) or a built-in

SCSI controller on your server. Your tape drive is supplied with a VHD-to-HD cable to attach

the drive to a spare, external VHD SCSI port on the server. It is also shipped with a multimode

terminator. The cable and terminator are appropriate for a wide, low voltage differential (LVD)

or single-ended (SE) SCSI bus.

If the SCSI cable supplied with your drive is not appropriate for your computer’s external SCSI

connector, you will need to order an adapter or new cable. See also "Checking the SCSI

connection" on page 9.

Why is the SCSI bus type important?

The SCSI bus type determines the speed at which data can be transferred between devices on

the bus and the maximum length of cable that can be used. The drives support a burst transfer

rate of 40 MB/sec. To benefit from this level of performance, it is important to ensure that the

drives are connected to a SCSI bus of a similar or higher specification. This means that you

need:

•An Ultra Wide, Ultra2 Wide, Ultra3 (160) or Ultra4 (320) SCSI bus. Ultra Wide SCSI

supports the maximum bus speed of 40 MB per second, Ultra2, Ultra3 and Ultra4 SCSI

exceeds this.

•LVD-rated SCSI cabling and terminators. The LVD interface enables the data to be

transferred at the drive's maximum rate and provides a maximum cable length of 12 meters.

The following guidelines apply:

• For optimum performance the drive should be the only device on the SCSI bus.

• Always terminate the SCSI bus. Use the supplied terminator.

• Do not attach the drive to the same SCSI bus as a your disk drive or to a RAID controller.

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If you attach the drive to a lower specification SCSI bus, it may still work but data will not be

transferred as quickly and you will need to use shorter cable lengths.

Note The drives are not compatible with high voltage differential (HVD) SCSI devices.

How can I check the SCSI bus type and SCSI ID?

For many operating systems, you can install HP Library & Tape Tools from www.hp.com/

support/tapetools and run the “Install Check” to check your server’s current SCSI

configuration (see page 29). This will provide information about the SCSI bus and the SCSI

IDs in use. See also the SCSI topic in the electronic User’s Guide on the

HP StorageWorks Tape CD-ROM for other ways of checking the SCSI bus type.

Do I need additional items for installation?

• If you have an HD rather than a VHD, wide SCSI connector on your server, you will need to

purchase and install a VHD-to-HD adapter or use an HD-to-HD cable instead of the supplied

cable.

• If you do not have a spare, suitably rated SCSI connector on your server, you must install a

new HBA (also known as a SCSI card).This should be of an Ultra Wide or higher SCSI

specification. You will need to purchase and install the new HBA into an unused, 64-bit PCI

expansion slot within your server before installing your tape drive. (The kit can also be

installed in a 32-bit PCI expansion slot, but performance may be degraded.)

Refer to our World Wide Web site for recommended products, configurations and ordering

information: www.hp.com/go/connect or www.hp.com/support.

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Backup software and drivers

Backup software

For optimum performance it is important to use a backup application that is appropriate for

your system’s configuration. In a direct attach configuration, where the tape drive is attached

to a standalone server, you can use backup software that is designed for a single server

environment. In network configurations you will need backup software that supports enterprise

environments. HP, Veritas, Legato, Yosemite and Computer Associates all provide suitable

products. Further details about these and other products that may be appropriate can be

found on our connectivity web site.

1Go to our connectivity web site: www.hp.com/go/connect and select tape backup.

2Select software compatibility.

3Select your combination of operating system and tape drive model in the table. A list of

supported backup applications is displayed. This will also tell you whether your configuration

is compatible with HP One-Button Disaster Recovery, HP OBDR. (All HP StorageWorks DAT

tape drives support HP OBDR. However, you can only use this feature if your system

configuration and backup application also support it. See “Using HP OBDR” on page 27.)

4Make sure you have a backup application that supports HP StorageWorks DAT tape drives and

download any upgrades or patches, if required.

Drivers

Windows users

Before you install the tape drive, download the HP driver from our web site: www.hp.com/

support. Refer to the accompanying README file for specific installation instructions for

Windows NT, Windows 2000, Windows XP and Windows Server 2003 drivers. This will tell

you whether you need to install the driver before or after installing the tape drive.

If you do not have internet access, you can also download drivers from the

HP StorageWorks Tape CD-ROM, but these may not be the latest versions available.

UNIX users

The recommended backup applications use the operating system’s standard, built-in device

drivers. To upgrade drivers we recommend that you patch to the latest version of the operating

system or configure device files, as described in the UNIX Configuration Guide on the CD-

ROM.

IA64 users

If you are installing on an IA64 system, such as an HP Integrity server, check www.hp.com/

go/connect for the latest information on the availability of backup application upgrades

and drivers.

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HP Product

Registration

User

Documentation

CD-ROM Guide

Drivers

HP Library &

Tape Tools

Figure 1: the HP StorageWorks Tape CD-ROM

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Using the CD-ROM

HP product registration

To register your new tape drive electronically via the web, use the “Product Registration” link

on the HP StorageWorks Tape CD-ROM.

Drivers

For detailed information about drivers, refer to the appropriate README file in the DRIVERS

directories on the HP StorageWorks Tape CD-ROM. There is a separate sub-directory for each

operating system.

User documentation

Refer to the “User Documentation” topic on the HP StorageWorks Tape CD-ROM for a UNIX

Configuration guide and an online User’s Guide that provides more detailed information

about using your HP StorageWorks DAT tape drive.

Refer to your backup application’s documentation for instructions on how to back up and

restore data.

HP Library & Tape Tools

HP Library & Tape Tools software provides diagnostic and troubleshooting utilities. It allows

you to identify your product correctly, check SCSI ID information on the SCSI bus, run tests,

carry out firmware upgrades and, if necessary, generate comprehensive troubleshooting

information for support calls. Use the link on the HP StorageWorks Tape CD-ROM to access

our Support web site, www.hp.com/support/tapetools, and download the latest

version of this software. For further details see page 29.

CD-ROM guide

The CD-ROM guide provides an overview of the CD directory structure and information about

the languages in which the contents of the CD-ROM are available. It also contains a set of

URLs and links for further information.

The HP StorageWorks Tape CD-ROM contains drivers, useful utilities and information to help

you install and use your tape drive. Before installation, most users can use the HP Library &

Tape Tools software to check SCSI ID information on the SCSI bus. The UNIX Configuration

guide on the CD-ROM also contains information about checking SCSI IDs on UNIX systems.

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Figure 2: checking the SCSI connection

connecting to an HBA

card in the server

dds-external-frame6.fm Page 8 Tuesday, January 6, 2004 11:50 AM

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