HP (Hewlett-Packard) DAT 40x6e, DAT 72x6e User Manual

getting started guide

hp StorageWorks

DAT autoloader

external model

DAT 40x6e, DAT 72x6e

open this flap for quick

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UNIX

External autoloaders - 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 autoloader

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

Step 2: Check the option switch value (Sun systems only) page 13

Step 3: Set the configuration switches (UNIX systems only) page 15

Step 4: Attach SCSI cable page 17

Step 5: Attach power cable page 19

Step 6: Verify installation page 21

Using the autoloader

Your HP StorageWorks DAT autoloader page 25

Use the correct media page 29

Using HP OBDR page 35

Diagnostic tools page 37

Optimizing performance page 38

Troubleshooting page 39

Other sources of information page 45

November 2003 Part Number: Q1567-90905

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UNIX 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.

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Product Details

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

front of the autoloader and the product and serial numbers are on a label on the bottom of the autoloader. Autoloaders also display the serial number during the self-test warm-up.

Model (type of device):

Model (number):

Serial (number):

Date purchased/installed:

SCSI ID:

Before you start

HP StorageWorks DAT models

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

•HPStorageWorksDAT72x6

•HPStorageWorksDAT40x6

Which operating systems are supported?

HP StorageWorks DAT autoloaders 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 ( information about the operating system versions that are supported.

How do I connect the autoloader to my server?

The following guidelines apply:

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

• Always terminate the SCSI bus.

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

www.hp.com/go/connect) for more

You will need a properly installed and configured SCSI host bus adapter (HBA) or a built-in SCSI controller on your server. Your autoloader 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 autoloader is not appropriate for your server’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 autoloader supports a burst transfer rate of 40 MB/sec. To benefit from this level of performance, it is important to ensure that the devices 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 exceed this.

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

transferred at the device's maximum rate.

If you attach the device to a lower specification SCSI bus, it may still work but data will not be transferred as quickly.

The devices 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

configuration (see page 37). 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.

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

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. We recommend that a 64-bit Ultra 3 (160) HBA is used. For specific details relevant to your server model please refer to to purchase and install the new HBA into an unused, 64-bit PCI expansion slot within your server before installing your autoloader. (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.

www.hp.com/go/connect. You will need

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 environment, where the autoloader 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.

1 Go to our connectivity web site:

2 Select

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

software compatibility.

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 autoloaders 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 35.)

www.hp.com/go/connect and select tape backup.

4 Make sure you have a backup application that supports HP StorageWorks DAT autoloaders

and download any upgrades or patches, if required.

Drivers

Windows users

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

support

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 autoloader.

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 CDROM.

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

IA64 users

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

go/connect

and drivers.

for the latest information on the availability of backup application upgrades

HP Product Registration

Drivers

User Documentation

HP Library & Tape Tools

CD-ROM Guide

Figure 1: the

HP StorageWorks Tape

CD-ROM

Using the CD-ROM

The HP StorageWorks Tape CD-ROM contains drivers, useful utilities and information to help you install and use your autoloader. Before installation, Windows and HP-UX users can use the HP Library & Tape Tools software to check SCSI ID information on the SCSI bus. Other UNIX users may like to print off the UNIX Configuration Guide.

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.

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. For further details see page 37.

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

restore data.

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.

HP product registration

To register your new autoloader electronically via the web, use the “Product Registration” link on the HP StorageWorks Tape CD-ROM.

Figure 2: checking the SCSI connection

Checking the SCSI connection

Use the following questions to help you check your SCSI connection. Many users can use HP Library & Tape Tools to check the SCSI bus type, see page 37. If you answer ‘Yes’ to all these questions, you are ready to install your autoloader. If you answer ‘No’, you will probably need to purchase and install additional items. For compatibility and product details, go to

www.hp.com/go/connect.

1 Is there a spare SCSI port on your

server?

Yes

2 Is the SCSI bus type correct for the

SCSI specification of the device?

Yes

3 Will the autoloader be the only

device on the bus? This is the recommended configuration. Do not connect to a RAID controller or the same SCSI bus as your disk drive.

Yes

4 Does the HBA/controller have a

VHD SCSI connector?

Purchase and install one of the recommended HBAs into an unused 64-bit PCI expansion slot. (The HBA can also be installed in a 32bit PCI expansion slot, but performance may be degraded.)

See table below. If the SCSI bus differs from the recommended specification for the drive, performance of either the drive or the bus may be impaired. Consider replacing your card with one of the recommended HBAs.

If you have an Ultra HBA, performance may be impaired. Consider installing (if you have a spare PCI slot) or replacing your card with an Ultra2, Ultra3 (160) or Ultra4 (320) HBA. Make sure the last device on the bus is terminated.

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

Yes

5 You are ready to install the device.

SCSI Bus Type Supported

Ultra wide LVD Yes. This is a recommended configuration as long as the drive is

the only device on the SCSI bus.

Ultra 2 LVD, Ultra 3 (160) LVD, Ultra 4 (320) LVD

Ultra wide, single-ended Yes. But this is not a recommended configuration as it will restrict

Ultra narrow, single-ended Yes. But this is not recommended as it will severely restrict

High Voltage Differential No. The drive will not work and you may damage the drive or

Yes. These are recommended configurations, particularly if there

are several devices on the SCSI bus.

performance.

performance and you will need a suitable cable or adapter.

controller

table 1: supported SCSI bus types

Figure 3: checking the autoloader’s SCSI ID

Step 1: Check the autoloader’s SCSI ID

Note Your HP StorageWorks DAT autoloader is shipped with a default SCSI ID of 5. Each device on

the SCSI bus must have a unique SCSI ID number. The autoloader can be assigned any unused ID between 0 and 15. Do not use SCSI ID 7, which is reserved for the SCSI controller. SCSI ID 0 is typically assigned to the boot disk and should also not be used unless the autoloader is on a dedicated SCSI bus.

1 Determine whether you need to change the SCSI ID from the default of 5.

For many operating systems you can install HP Library & Tape Tools from the HP StorageWorks Tape CD-ROM and run the “Install Check” to check your server’s current SCSI configuration (see page 37). This will provide information about the SCSI bus and the SCSI IDs in use.

The UNIX Configuration Guide on the HP StorageWorks Tape CD-ROM also contains instructions on how to determine the SCSI IDs of existing devices on UNIX servers.

2 Change the autoloader’s SCSI ID, if necessary.

Use a small screwdriver or a ball-point pen to press the indented SCSI ID selector buttons on the rear panel (see figure 3) until the required value is displayed. Do not use a pencil because small bits of graphite could contaminate the drive.

Note The server and the autoloader SCSI IDs are only checked at power-on. To change the SCSI ID

after installation, power down both the server and the autoloader, change the autoloader’s SCSI ID, power up the autoloader, and then power up the server.

Figure 4: checking the option switch

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