Dell PowerVault 120T DDS4 Manuel utilisateur

Dell™ PowerVault™

120T DDS4 Autoloader

USER’S GUIDEUSER’S GUIDE

www.dell.com

™

Dell™ PowerVault™ 120T DDS4 Autoloader User’s Guide

www.dell.com

Notes, Notices, Cautions, and Warnings

Through out this document, blocks of text may be accompanied by a icon and printed in bold type

or in italic type. These blocks are notes, notices, cautions, and warnings and they are used as

follows:

NOTE: A NOTE indicates important information that helps you make better use of your storage

system.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells

you how to avoid the problem.

CAUTION: A CAUTION indicates a potentially hazardous situation which, if not avoided,

may result in minor or moderate injury.

WARNING: A WARNING indicates the potential for bodily harm and tells you how to avoid

the problem.

____________________

Information in this document is subject to change without notice.

Trademarks used in this text: Dell, PowerVault and the DELL logo are trademarks of Dell

Computer Corporation; Windows NT is a trademark of Microsoft Corporation; Novell and Netware

are trademarks of Novell, Inc.; Seagate and Seagate Backup Exec are trademarks of Seagate

Technology Inc.; Veritas and Veritas Backup Exec are trademarks of Veritas Software

Corporation; Computer Associates and ArcServe are trademarks of Computer Associates

International, Inc..

Other trademarks and trade names may be used in this document to refer to either the entities

claiming the marks and names or their products. Dell Computer Corporation disclaims any

proprietary interest in trademarks and trade names other than its own.

November 1999 P/N 79EJG

Contents

Chapter 1

Introduction .......................................................................................1-1

Overview...................................................................................1-1

Features ..................................................................................1-1

Tape Backup Software ............................................................1-2

Tape Backup Applications .......................................................1-2

Chapter 2

Getting Started ..................................................................................2-1

Front Panel .............................................................................2-1

Power, SCSI Connection, Setting SCSI ID (External) ...........2-2

Power, SCSI Connection, Setting SCSI ID (Internal) ...........2-4

Option Switches (Internal, External ) ...................................2-5

Mounting Holes for 5.25" (Internal) ......................................2-6

Orientation ..............................................................................2-7

Loading Device Drivers ...........................................................2-7

Native Operating System Backup Utilities .............................2-7

Tape Backup Applications .......................................................2-7

Chapter 3

Using the Autoloader ........................................................................3-1

Autoloader Modes of Operation ............................................3-1

Front Panel .............................................................................3-2

Front Panel LCD .....................................................................3-3

Front Panel LEDs....................................................................3-3

Operator Action ......................................................................3-4

Loading and Unloading Definition ..........................................3-4

Magazine ...................................................................................3-4

Eight Cartridge Setting ..........................................................3-4

One Cartridge Setting ............................................................3-4

Seven Cartridge Setting .........................................................3-5

How to Insert Cartridges.......................................................3-5

How to Remove Cartridges .....................................................3-6

Slide Stopper...........................................................................3-9

Write Protect ..........................................................................3-9

Magazine Index Label...............................................................3-9

Loading the Magazine ..............................................................3-9

Exchanging the Cartridge ....................................................3-10

Ejecting Magazine ..................................................................3-11

Chapter 4

Troubleshooting ................................................................................4-1

Reinstalling the Tape Backup Software ...............................4-1

Reinstalling Drivers for Windows NT ...................................4-1

Autoloader Makes Noises During System Startup ...............4-1

Drive Failures During Backup or Restore Operations ........4-1

LCD Indication for Autoloader Status .................................4-2

Tape Backup Software Errors ...............................................4-3

Running Dell Diagnostics.......................................................4-3

Cleaning the Autoloader .......................................................4-3

Emergency Cassette Removal Procedure .............................4-4

Emergency Ejecting a Magazine ..............................................4-4

Ejecting Magazine by Manual Operation ................................4-4

Ejecting Tape Cartridge from Drive by Manual Operation ..4-6

Appendix A

LCD Panel............................................................................................A-1

Appendix B

Specifications .....................................................................................B-1

Appendix C

Regulatory..........................................................................................C-1

Dell PowerVault 120T DDS4 Autoloader User's Guide1-1

Chapter 1

Introduction

Overview

The Dell™ PowerVault™ 120T DDS4 Autoloader is a high-capacity data storage

cartridge changer using 4mm DAT (Digital Audio Tape) technology. The tape autoloader

achieves high data reliability through read-after-write and an additional level of error

correction code (ECC).

The tape autoloader stores data on tape using a standard format called DDS (Digital

Data Storage), DDSDC, DDS2, DDS3 and DDS4. This format is used by numerous

other DDS tape drive manufacturers, providing a broad range of compatible tape drives.

The tape autoloader is fully READ and WRITE compatible with the DDS4, DDS3, DDS2,

DDS and DDSDC format tapes.

Features

The tape autoloader has the following features:

•Data capacity 160 (native) to 320 GB (typical)*

•Transfer rate (sustained) ~ 2.4 (native) to 4.7 MB/sec (typical)*

•8 cartridge tape magazine

•Compatibility with SCSI-2 medium changer command set

•80 seconds maximum to swap a tape cartridge

•High reliability, with a mean failure rate of less than 1 failure in 100,000

cartridge swaps

•Supported formats: DDS4, DDS3, DDS2, DDS, DDSDC

•High burst transfer rate -14 MB/sec asynchronous / 40 MB/sec synchronous

•Large 10 MB buffer

•5.25-inch half height

•Embedded wide ultra SE/LVD SCSI interface

•Supports variable or fixed record length

1-2Dell PowerVault 120T DDS4 Autoloader User's Guide

•Supports SCSI-2 sequential-access devices command set

•Read after write (RAW)

•Frame rewrite function

•Three levels of ECC

•Quick search (Forward: 115 times / reverse: 155 times normal DDS4 read /

write speed)

*2:1 compression. Actual capacity and transfer rate may vary since compression is

depending upon data type.

Tape Backup Software

Drivers:

Please see instructions supplied with the tape backup application software.

Native Operating System Backup Utilities:

Tape autoloaders are not supported by Microsoft® Windows NT® 4.0 and Novell®

NetWare® native backup utilities.

Tape Backup Applications:

Microsoft Windows NT 4.0: Computer Associates ARCServeIT 6.6, Seagate Backup

Exec 7.2, Veritas Backup Exec 7.3

Novell NetWare: Computer Associates ARCServe 6.1, Seagate Backup Exec 8.0

Dell PowerVault 120T DDS4 Autoloader User's Guide 2-1

Chapter 2

Getting Started

Figure 2-1. Front Panel (External)

The Autoloader front panel consists of the following:

•(1) A Power indicator

•(2) A Power button

•(3) A Magazine receptacle

•(4) An Eject button

•(5) Select button (6) Enter button

•(7) Liquid Crystal Display (LCD)

•(8) Tape Present (9) Busy Status

The Select button allows you to select any of the cartridges present in the magazine,

once the magazine has been inserted into the loader. The number selected is displayed

on the LCD. If you press the Select button repeatedly, the display cycles through the

cartridges available in the magazine, see Figure 2-1.

Once a cartridge has been selected, the Enter button should be pressed for

confirmation, and the autoloader will load the selected cartridge into the drive, see

Figure 2-1.

2-2Dell PowerVault 120T DDS4 Autoloader User's Guide

The Eject Button

The Eject button starts the unload process. The drive unloads any currently loaded

cartridge, and the loader mechanism returns it to the magazine. The magazine is then

ejected, see Figure 2-1.

NOTE: The host can disable the Eject button by sending a SCSI PREVENT MEDIA

REMOVAL command.

The Front Panel Liquid Crystal Display

Displays autoloader function and status, Figure 2-1.

Power Button (External Only)

Press to turn autoloader on or off.

External Power/SCSI Connection/Setting SCSI ID

Figure 2-2. Rear Panel (External)

•(1) Rotary Selector Switch for setting SCSI ID

•(2) Cooling Fan

•(3) AC In Connector

•(4) Ground (GND) Terminal

•(5) SCSI Connector

Dell PowerVault 120T DDS4 Autoloader User's Guide 2-3

SCSI Connector

Connects to the SCSI bus connector of the host computer or another SCSI peripheral.

The autoloader has a Ultra Wide Single Ended (SE) / Low Voltage Differential (LVD)

SCSI bus. The autoloader will automatically detect the type (SE or LVD) of SCSI host

adapter attached. In Ultra WideSCSI, up to 15 peripherals can be attached to the SCSI

bus, see Figure-2-2.

NOTE: Turn off the host computer and autoloader power before connecting the supplied

SCSI cable. Make sure the SCSI connectors are pressed tightly together and the screw

tabs are secure.

Termination

Please make sure to apply supplied External SE / LVD Terminator to the last device on

the SCSI bus.

SCSI ID

The SCSI ID is set by the push button switches on the rear panel. Press the + or -

buttons to move the number up or down, respectively. The default SCSI ID is set to 0,

see Figure 2-2.

NOTE: The SCSI ID must be different from the IDs of the other peripherals on the SCSI

bus. Before changing the SCSI ID setting, be sure to turn off the power with the power

switch on the front panel.

Power

Connect the supplied AC power cable. Turn on the autoloader using the front panel

power button, see Figure 2-2.

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