Bull DPX/20 Montageanleitung

014-002518-03

Bull DPX/20

Installing and Maintaining a

150 Disk-Array Storage System

86 A1 12GX 01

ORDER REFERENCE

Bull DPX/20

Installing and Maintaining a

150 Disk-Array Storage System

Hardware

June 1996

Bull Electronics Angers S.A.

CEDOC

Atelier de Reprographie

331 Avenue Patton

49004 ANGERS CEDEX 01

FRANCE

86 A1 12GX 01

ORDER REFERENCE

The following copyright notice protects this book under the Copyright laws of the United States and other

countries which prohibit such actions as, but not limited to, copying, distributing, modifying, and making

derivative works.

Printed in France

Suggestions and criticisms concerning the form, content, and presentation of

this book are invited. A form is provided at the end of this book for this purpose.

Trademarks and Acknowledgements

We acknowledge the right of proprietors of trademarks mentioned in this book.

ArrayGUIde and GuardWare are trademarks and CLARiiON is a U.S. registered trademark of

Data General Corporation.

AIXRis a registered trademark of International Business Machines Corporation, and is being used under

licence.

UNIX is a registered trademark in the USA and other countries licensed exclusively through X/Open.

This book is derived from the book “Installing and Maintaining a CLARiiONRSeries 100 Disk-Array Storage

System”, Data General Corporation.

The information in this document is subject to change without notice. Groupe Bull will not be liable for errors

contained herein, or for incidental or consequential damages in connection with the use of this material.

Preface iii

Preface

This manual explains how to install the DAS 150 disk-array storage system and how to

replace and/or install customer-replaceable units (CRUs).

It is for technical services personnel who want to install and maintain the storage system. It

assumes familiarity with the computer, called the server, to which the storage system will be

connected.

How this manual is organized

Chapter 1 Introduces the storage system’s components and its connection to the server.

Chapter 2 Describes how to connect a single storage system to the server’s SCSI-2 bus.

Chapter 3 Describes how to connect multiple storage systems to the server(s).

Chapter 4 Describes how to replace or add disk modules and how to replace the other customer-re-

placeable units (CRUs).

Appendix A Lists the technical specifications of the storage system.

Appendix B Lists the available spare parts with their part number.

Related manuals

Within this manual, we refer to the documentation for configuring and managing the

storage system, and for setting up the server for a storage system. See the manual

Configuring and Managing a DAS Disk-Array Storage System (Order Number

86 A2 20 PN).

We also refer to the ArrayGUIde documentation. See the manual Using the ArrayGUIde

Utility to Configure and Manage a DAS Disk-Array Storage System (Order Number

86 A2 13 GX).

Ordering additional copies of this manual

To order additional copies of this manual, use Order Number 86 A1 12 GX.

iv Installing and Maintaining a DAS 150

Preface v

Contents

About the storage system 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage-system components 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCSI-2 adapter 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage-control processor (SP) 1–2. . . . . . . . . . . . . . . . . . . . . . . . . .

Write-cache memory card 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Disk-drive modules 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power converters (VSCs) 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan modules 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connection to the server 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Basic configuration 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dual-initiator configuration 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Factory configuration 1–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

What next 1–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing a single storage system on a SCSI bus 2–1. . . . . . . . . . . . . . . . . . . . . . . .

Attaching the slot matrix diagram 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . .

SP’s SCSI-2 bus connectors 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting the SCSI-bus cable for the storage system 2–2. . . . . . . . .

Setting the SCSI ID for the SP 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting the asynchronous (console) cable 2–5. . . . . . . . . . . . . . . .

Connecting the ac power cord 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Powering up the storage system 2–7. . . . . . . . . . . . . . . . . . . . . . . . . . . .

What next 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing multiple storage systems on a SCSI bus 3–1. . . . . . . . . . . . . . . . . . . . . . .

Attaching the slot matrix diagram 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCSI-2 bus length 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SP’s SCSI-2 bus connectors 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting SCSI-bus cables for multiple storage systems 3–2. . . . . .

Setting the SCSI ID for the SP 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting the asynchronous (console) cable 3–6. . . . . . . . . . . . . . . .

Connecting the ac power cord 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Powering up the storage system 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . .

What next 3–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Upgrading and repairing a storage system 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Handling CRUs 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Avoiding electrostatic discharge (ESD) damage 4–2. . . . . . . . . . . .

Precautions when removing, installing, or storing CRUs 4–3. . . . .

Replacing or adding a disk module 4–4. . . . . . . . . . . . . . . . . . . . . . . . . .

vi Installing and Maintaining a DAS 150

Removing a disk module 4–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing a disk module 4–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing or installing a disk filler module 4–7. . . . . . . . . . . . . . . . . . . .

Replacing the SP 4–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing the SP 4–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing the SP 4–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Removing or installing SP memory modules 4–10. . . . . . . . . . . . . . . . . .

Removing SP memory modules 4–11. . . . . . . . . . . . . . . . . . . . . . . . . .

Installing SP memory modules 4–11. . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing or adding the write-cache memory card 4–13. . . . . . . . . . . . .

Removing the write-cache memory card 4–13. . . . . . . . . . . . . . . . . .

Installing the write-cache memory card 4–14. . . . . . . . . . . . . . . . . . .

Installing or replacing the write-cache memory card battery 4–15. . . .

Installing the battery 4–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing the battery 4–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing a VSC 4–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Replacing a fan module 4–21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical specifications A–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Spare parts for DAS 150 B–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Index X–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1–1

Chapter 1. About the storage system

1About the storage system

This chapter introduces the DAS 150 disk-array storage system. It describes the

hardware components that make up the storage system and the different ways to

connect the storage system to a computer, called a server.

The DAS 150 storage system provides a compact, high-capacity, high-availability

source of disk storage for the server at a low cost. It offers large-capacity, traditional

or high-availability disk storage in as many as seven disk modules that you can

replace under power.

DAS 150 disk-array storage system

Storage-system components

The storage system consists of a SCSI-2 (small computer system interface 2) adapter

in the server and a storage-system chassis that contains compartments for these

modules:

One storage-control processor (SP), which has a slot for the write-cache memory

card and its battery

Three to seven disk-drive modules

Three fan modules

Two voltage semi-regulated converters (VSCs), which are power supplies

1–2 Installing and Maintaining a DAS 150

Only service personnel authorized to open the server cabinet should install or replace

SCSI-2 adapters. The SP, write-cache memory card and its battery, disk modules, fan

modules, and VSCs are customer-replaceable units (CRUs), which you can install or

replace yourself.

The following figure shows the location of the storage system’s CRUs, which also

include the customer-replaceable SCSI bus cables, SCSI terminator plug, power cord,

and the optional asynchronous (console) cable.

Location of the customer-replaceable units in the disk-array storage system

Back viewFront view

7 Disk-drive

modules

Storage-control

processor (SP)

VSC A

VSC B

SCSI bus

cables

ac power cord

Asynchronous

cable (optional)

3 Fan

modules

System

power light

System

service light

Write-cache

memory card

SCSI-2 adapter

The SCSI-2 adapter (or controller) is a printed-circuit board that resides in an I/O slot

in the server cabinet. It connects to the SP in the storage-system cabinet by a SCSI-2

differential bus, and transfers data between the server’s memory and the SCSI-2 bus.

The SCSI-2 adapter is supplied by the server’s vendor.

Storage-control processor (SP)

Replace light

(amber)

Bezel

Printed-circuit

board

Memory

modules

SP SCSI ID

switch

SCSI bus

connectors

Console

connector

Latch

Write-cache

memory card slot

Card eject

button cover

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