Hp DDS-2 User’s Guide

HP DDS-2 T

User’s Guide

ape Drive



Workstation Systems Group

Order No. A1658–90689

Edition E0296

Printed in U.S.A.

 Hewlett-Packard Co. 1996

First Printing: February 1996

UNIX

is a registered trademark in the United States and other countries, licensed exclusively

X/Open Company Limited.

NOTICE

The information contained in this document is subject to change without notice.

HEWLETT–PACKARD 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

be liable

not
the furnishing, performance or use of this material.

for errors contained herein or for incidental or consequential damages in connection with

through

Hewlett-Packard
not furnished by Hewlett-Packard.

This

document contains proprietary information which is protected by copyright. All rights reserved.

No

part of

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

prior written consent of Hewlett-Packard Company.

RESTRICTED RIGHTS LEGEND. Use, duplication, or disclosure by government is subject to
restrictions
Clause at DFARS 252.227.7013. Hewlett-Packard Co., 3000 Hanover St., Palo Alto, CA 94304.

10 9 8 7 6 5 4 3 2 1

assumes no responsibility for the use or reliability of its software on equipment that is

as set forth in subdivision (c) (1) (ii) of the Rights in T

echnical Data and Computer Software

Contents

Preface

Audience vii.
Safety and Regulatory Statements vii
Installation Notice viii
Related Manuals

Revision Historyix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Questions and Problemsix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Documentation Conventionsx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Chapter 1 Introduction

General Description 1–2.
Major Features of DDS Drives 1–3

DDS-DC Drive 1–3
DDS-2 Drive 1–4
DDS-2 Drive Environmental Requirements 1–4
DDS-2 Drive Physical Specifications 1–5

Preparing to Install the DDS-2 Drive 1–6

T

ools Required
Verifying Kit Contents 1–6
Operating System Support 1–6
Setting the SCSI-2 Address 1–7
Address Jumpers

Preparing the System 1–11

SCSI-2 Connection and Termination 1–13

Powering Off the Workstation and any Peripherals 1–14
Adding or Removing the DDS-2 Drive Bezels or Expansion Brackets 1–15

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iii

Contents

Chapter 2 Using Your DDS Drive

Your DDS-2 Drive Configuration 2–2.
Controls and Features of the DDS-2 Drive 2–2

LEDs 2–3

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Data Cassettes

Media Life 2–3
Cleaning the T
Media Restrictions
Setting the Write-Protect T

Using the DDS-2 Drive 2–6

Loading and Unloading a Data Cassette 2–6
Verifying the DDS-2 Tape Drive Operation 2–7
Media Interchangeability Restrictions
Ordering Information 2–8

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ape Heads

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ab on a Data Cassette

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Chapter 3 Troubleshooting and Removal/Replacement Procedures

Troubleshooting 3–1.

Checking the Address Settings for Single-Ended Drives 3–2
Checking the Hardware Installation 3–4
Rechecking the Address Settings
Verifying the System Operation using SupportWave 3–6

Removal/Replacement Procedures

Field Replaceable Units
Powering Off the System 3–9
Removing and Replacing the DDS-2 Drive 3–10
Adding or Removing the DDS-2 Drive Bezels and Expansion Brackets 3–10

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2–3

2–4
2–4
2–4

2–8

3–5

3–9
3–9

iv

Contents

Appendix

A

Safety and Regulatory Statements

Emissions

Emissions Regulations Compliance
Electrostatic Discharge (ESD) Precautions A–4

Regulations

Federal Communications Commission (FCC)
Canadian Department of Communications (CDC) A–2

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Appendix B SCSI Connector Pinnouts

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A–2.
A–2

A–3

v

Contents

Figures

Table

1–1. HP DDS-2 Drive 1–2.
1–2. HP DDS-2 Drive Physical Specifications 1–5
1–3. Rear View of DDS-2 Drive and SCSI Address/Jumper Settings 1–9
1–4. Switch Settings for Data Compression Operation Mode 1–10
1–5. Adding a Bezel to the DDS-2 Drive 1–16
1–6. Removing a Bezel from the DDS-2 Drive 1–16
1–7. Adding or Removing Expansion Brackets 1–16

2–1. DDS-2 Drive Controls and Indicators 2–2
2–2. Setting the Write-Protect Tab on a DDS Tape 2–5
2–3. Loading a Data Cassette 2–6

3–1. Adding a Bezel to the DDS-2 Drive 3–11
3–2. Removing a Bezel from the DDS-2 Drive 3–11
3–3. Adding or Removing Expansion Brackets 3–12

2–1. LED Display Codes 2–3

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vi

Preface

The HP DDS-2 T
HP DDS-2 tape drive.

We’ve organized this guide as follows:

Chapter 1 Provides a general description of the drive and the procedures for

Chapter 2 Describes the drive configurations, the controls and features of the drive,

Chapter 3 Provides information on caring for DDS tapes, troubleshooting

Appendix A Provides safety and regulatory information.

Appendix B Lists the pinnouts for the SCSI connector on the drive.

Audience

This guide is intended for use by anyone familiar with the the HP workstations who
wants to install and configure the DDS drive.

ape Drive User’s Guide

installing it into a system.

and provides directions for using it.

information, and removal/replacement procedures for the drives.

describes how to install, configure, and use the

Safety and Regulatory Statements

See Appendix A for the safety and regulatory statements that apply to the HP DDS-2
drive.

vii

Preface

Installation Notice

Products designated in the applicable Hewlett-Packard price list as customer-installable
can be installed by computer-knowledgeable customers who carefully read and follow the
instructions provided. Customers who elect to have the product installed by our field
personnel are charged the applicable field installation charge, as covered under the
standard terms and conditions. For more information, please contact your local sales
representative.

Related Manuals

For more information, refer to the following documents:

• The Owner’s Guide that came with your system

• HP-UX Installing Peripherals: HP 9000 Series 700 (B2355–90006)

viii

• Using Your HP Workstation (A2615–90003)

• HP V

• System Administration T

isual User Envir

onment User

asks HP 9000 Series 700 Computers

’s Guide (B1171–90061)

(B2355–90040)

• Using HP-UX (B2910–90001)

Documents specific to HP DDS drives:

• Integration Guide, Vol 2 of HP DDS Technical Manual (C1533–90906)

• The SCSI Interface, Vol 3 of HP DDS Technical Manual (C1533–90907)

• Background

• HP

Contact your HP supplier for copies.

DDS Configuration Guide

to DDS Pr

oducts

, V

ol 4 of HP DDS T

, V

ol 5 of HP DDS T

echnical Manual (C1533–90908)
echnical Manual

(C1533–90915)

Revision History

The revision history for each edition of the manual is listed below:

Preface

Edition
E0296 First Printing.

Revision History

Questions and Problems

If you have any questions or problems with our hardware, software, or documentation,
please contact either your HP Response Center or your local HP representative.

ix

Preface

Documentation Conventions

Unless otherwise noted in the text, this guide uses the following symbolic conventions:

literal values Bold words or characters in formats and command descriptions

represent commands that you must use literally. Pathnames are
also in bold.

user-supplied Italic words or characters in formats and command descriptions
values represent values that you must supply. Italics are also used in

text for emphasis.

screen display Information that the system displays appears in this typeface.

Return

A rectangle with rounded corners and a key label denotes a key on
your keyboard. (In this manual we refer to the Return key. On
your keyboard the key may be labeled either Return or Enter.)

This symbol indicates the end of a chapter or part of this guide.

x

Chapter 1

Introduction

This document describes the HP DDS-2 (HP model number C1533A) drive, its
installation, operation, troubleshooting, and removal/replacement procedures.

This chapter introduces the DDS-2drive and contains the following information:

• General description of the drive

• Major features of the drive

• Preparing to install the drive

• Preparing the system

• Powering off the workstation and any peripherals.

• Adding or removing the DDS-2 drive bezels or expansion brackets

1–1

Introduction

General Description

The HP DDS-format drives have been developed by Hewlett Packard for data storage
drives that build on DAT technology. The DDS-2 drive has 4-GB native capacity,
yielding up to 8 GB of stored data and has data compression functionality. Figure 1–1
shows the DDS-2 drive.

1–2

Figure 1–1. HP DDS-2 Drive

Major Features of DDS Drives

The DDS-1 format incorporates error correction techniques used in audio DAT drives
with additional techniques specifically designed to provide the integrity of data necessary
for computer use. These extra methods of error detection and correction are as follows:

Introduction

• C3

ECC, a third level of Error Correction Code providing correction across frames

within groups.

• Read-After-Write, where data is verified immediately after it is written and re-

written if there is any error.

•

Data Randomizer
level. This enables read-after-write to be effective.

, for recording the data in order to provide a consistent signal

• Track Checksums, for detecting and locating helical errors, and so improving the

performance of C3 ECC.

• N-Group

setting for N is 1.

Each tape can be formatted as a single data space, or as two partitions that can be written
to independently.

W

riting, where every group is repeated a set number of times. The default

DDS-DC Drive

The HP Model C1536A implements the DDS-DC format. This includes all of the features
of the DDS-1 format, plus an extension to include data compression as follows:

• Compressed data can be stored in a way that maintains the full functionality of

the DDS format and ensures backwards compatibility with existing DDS drives.

• Any DDS-1 and DDS-DC cartridge can be read, whether data compression is

switched on or off.

• Data

is automatically decompressed on reading even if data compression is switched

off.

• Mixing compressed and uncompressed data is supported. This means that a car-

tridge can be written with uncompressed data and read in any DDS drive.

1–3

Introduction

DDS-2 Drive

The HP C1533A implements the DDS-2 format. This includes all of the features of the
DDS-1 and DDS-DC formats, plus the ability to read and write with much higher
capacity as follows:

DDS-2 Drive Environmental Requirements

The DDS-2 drive has the following environmental requirements:

• Reads and writes using DDS-1 and DDS-DC formats when using DDS-1 media

(60 m and 90 m). Has all of the features of the DDS-1 and DDS-DC formats.

• Reads and writes with much higher capacity when using DDS-2 media (120 m).

• Ambient Temperature

Operating 5_ C to 40_ C

(41_ F to 104_ F)

Non-Operating –40_ C to 70_ C

(–40_ F to 158_ F)

1–4

• Altitude

Operating 0 km to 4.6 km (0 to 15,000 ft)
Non-Operating 0 km to 15.2 km (0 to 50,000 ft)

• Humidity

Operating 20% to 80%RH (non-condensing)
Non-Operating 5% to 95%RH (non-condensing)

Maximum wet bulb temperature = 26_ C

Introduction

DDS-2 Drive Physical Specifications

The following illustration describes the physical specifications of the DDS-2 drive.

41.3 mm

+++

+/– 0.6

4 mm

101.6 mm
+/– 0.3

21 mm
+/– 0.2

41.3 mm

+/– 0.3

30.9 mm
+/– 0.2

60 mm

+/– 0.2

90 mm
+/– 0.2

101.6 mm +/– 0.3

150 mm +/– 0.3

5 mm

+/– 0.3

++

94 mm
+/– 0.2

++

70 mm

+/– 0.2

3.8 mm

+/– 0.3

Figure 1–2. HP DDS-2 Drive Physical Specifications

1–5

Introduction

Preparing to Install the DDS-2 Drive

The following information describes how to prepare the DDS-2 drive for installation.

Tools Required

The following tools are needed to install the DDS-2 drive:

• #2 Phillips screwdriver

• Small needle-nose pliers

Verifying Kit Contents

Verify that the kit contains one of each of the following:

• DDS-2 drive (part numbers 0950–3002 for 5 1/4-in drive, or

0950–3028 for 3 1/2-in drive)

1–6

• Set of 4 screws (M4x6)

• Power adapter cable

• SCSI I/O cable

• Static strap

• HP DDS-2 T

NOTICE: If any contents of your kit are missing, contact your sales

representative.

Operating System Support

The HP DDS-2 drive supports HP-UX 9.05 and later. This drive requires the following
HP-UX patches (or their replacements): PHKL_6050 and PHSS_6142. Both patches are
for OS versions 9.x only and cannot be used on any 10.x OS versions.

ape Drive User’s Guide

(A1658–90689)