StorageWorks SWXSE-22 Manuale utente

Wide Expansion Storage

Pedestal

User’s Guide

Order Number: EK-SMCPC-UG. A01

Digital Equipment Corporation

Maynard, Massachusetts

First Edition, January 1995

The information in this document is subject to change without notice and should not be construed as a commitment by Digital

Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that may appear in this

document.

Restricted Rights: Use, duplication, or disclosure by the U.S. Government is subject to restrictions as set forth in

subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013.

Digital Equipment Corporation does not give a warranty of any kind regarding the fitness or applicability of the information

content for a particular purpose. The user assumes all responsibility for understanding the interrelationships of this enclosed

information with other affected software or system products.

The disclosure of this information does not grant to the user a license under any patents, pending patents, trademarks, or

copyrights or other rights of Digital Equipment Corporation, or of any third party.

FCC Notice: This equipment generates, uses, and may emit radio frequency energy. The equipment has been type tested

and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which are

designed to provide reasonable protection against such radio frequency interference when operated in a commercial

environment. Any changes or modifications made to this equipment may void the user's authority to operate the equipment.

Operation of this equipment in a residential area may cause interference, in which case the user, at his own expense, may

be required to take measures to correct the interference.

Printed in U. S. A

The following are trademarks of Digital Equipment Corporation:

StorageWorks, and the Digital Logo.

All other trademarks and registered trademarks are the property of their respective owners.

Order Number: EK–SMCPC–UG. A01 iii

Contents

Revision Record ....................................................................................................... vii

About This Guide .......................................................................................................ix

1 Introduction

1.1 Product Description........................................................................................................1–1

1.2 Pedestal Features............................................................................................................1–2

1.3 Pedestal Component Description....................................................................................1–2

1.3.1 StorageWorks Building Blocks (SBBs) ................................................................... 1–2

1.3.2 Blower Unit ............................................................................................................1–3

1.3.3 Personality Module ................................................................................................. 1–4

1.3.4 Pedestal Cabinet.......................................................................................................1-5

2 Installation

2.1 Introduction........................................................................................................ 2–1

2.2 Unpacking.......................................................................................................... 2–1

2.3 SCSI Cables and Connectors.............................................................................. 2–1

2.3.1 SCSI “P” Cables .......................................................................................... 2–2

2.3.2 Storage Pedestal SCSI Connectors ...............................................................2–3

2.3.3 SCSI “P” Cable Communications ................................................................2–3

2.4 Connecting the Pedestal to the Host System....................................................... 2–3

2.4.1 SCSI "P" Cable Connections........................................................................2–3

2.4.1.1 Routing SCSI Cable under Rear Bezel ......................................................... 2–4

2.4.1.2 Routing the SCSI Cable through Removable Tab.........................................2–5

2.4.2 Power Cable Connection.............................................................................. 2–6

2.4.3 Installing Devices......................................................................................... 2–8

2.5 Pedestal Power on Test .............................................................................. 2–10

3 Pedestal Configuration Rules

3.1 Bus Configurations............................................................................................. 3–1

3.2 Device Addresses............................................................................................... 3–2

3.2.1 Single Pedestal with One or Two SCSI Buses.............................................. 3–2

3.3 Pedestal Power................................................................................................... 3–3

3.4 StorageWorks Building Blocks (SBBs).............................................................. 3–3

3.5 SCSI Bus ........................................................................................................... 3–4

3.5.1 SCSI Bus Length Inside the Pedestal............................................................3–4

3.5.2 Reconfiguring Pedestal for Two SCSI Buses................................................ 3–5

StorageWorks Wide Expansion Storage Pedestal

iv Order Number: EK–SMCPC–UG. A01

4 Maintenance

4.1 Pedestal Indicators.............................................................................................. 4–1

4.1.1 Pedestal Status............................................................................................. 4–1

4.1.2 Power Supply LEDs.....................................................................................4–1

4.1.3 Battery Backup Unit LEDs........................................................................... 4–3

4.1.4 SBB Status LEDs.........................................................................................4–3

4.2 Replacing a Storage SBB ................................................................................... 4–5

4.3 Replacing a Power SBB .....................................................................................4–6

4.3.1 Replacing a Primary Pedestal (Non-Redundant) Power Supply .................... 4–6

4.3.2 Replacing a Redundant Power Supply.......................................................... 4–7

4.3.3 Replacing a Pedestal BBU ........................................................................... 4–7

4.4 Replacing a Fan Assembly (Blower)................................................................... 4–8

4.5 Remove/Install Front/Rear Bezel........................................................................ 4–9

4.5.1 Remove Front/Rear Bezel................................................................................... 4–9

4.5.2 Insstall Front/Rear Bezel.................................................................................. 4–10

4.6 Troubleshooting the Pedestal............................................................................ 4–11

4.7 Personality Module Status Indicators.................................................................4-11

Chapter 5 Illustrated Parts

Appendix A StorageWorks Product Specifications

A.1 Input Power Requirements ................................................................................ A–1

A.2 Power Units ...................................................................................................... A–1

A.3 Physical Specifications...................................................................................... A–1

A.4 Environmental Specifications............................................................................ A–3

A.5 Environmental Stabilization .............................................................................. A–4

Appendix B Manufacturer's Declarations

Glossary .......................................................................................................Glossary–1

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

Reader’s Comments .........................................................................Inside Back Cover

Figures

1–1 Wide Expansion Storage Pedestal....................................................................... 1–1

1–2 Storage Pedestal Components (Typical Configuration)....................................... 1–3

1–3 Personality Module ............................................................................................ 1–4

1–4 Pedestal Slot Locations ......................................................................................1–5

2–1 Host-to-Pedestal SCSI “P” Cable ....................................................................... 2–2

2–2 Pedestal-to-Host Connection Diagram................................................................ 2–4

2–3 Routing SCSI Cable under Rear Bezel................................................................2–5

2–4 Routing SCSI Cable through Side Filler Panel ...................................................2–6

2–5 Power Cable Connection.................................................................................... 2–8

2–6 Installing Storage Devices.................................................................................. 2–9

2–7 Power Supply SBB LEDs.................................................................................2–10

2–8 Storage SBB LEDs........................................................................................... 2–11

Contents

Order Number: EK–SMCPC–UG. A01 v

Figures (cont'd)

3–1 Single Pedestal Configuration with One SCSI Bus.............................................3–2

3–2 Typical 3.5-inch SBB.........................................................................................3–3

3–3 Typical 5.25-inch SBB.......................................................................................3–4

3–4 Backplane Configuration for Two SCSI Buses (Front View).............................. 3–6

3–5 Pedestal-to-Host Connections for Two SCSI Buses............................................ 3–7

4–1 Power Supply LEDs...........................................................................................4–2

4–2 BBU LEDs......................................................................................................... 4–3

4–3 3.5-inch SBB LEDs............................................................................................4–4

4–4 5.25-inch SBB LEDs.......................................................................................... 4–4

4–5 Removing a Storage Device ............................................................................... 4–6

4–6 Removing a Blower............................................................................................4–9

4–7 Removing Front/Rear Bezel............................................................................. 4–10

4–8 Installing Front/Rear Bezel............................................................................... 4–10

4–9 Personality Module Blower Status LEDs.......................................................... 4–11

5–1 Pedestal Field Replaceable Parts......................................................................... 5–1

Tables

2–1 SCSI “P” Cables ................................................................................................ 2–2

2–2 Country Specific Power Cords............................................................................ 2–7

3–1 SCSI Bus Lengths Within Pedestal..................................................................... 3–5

4–1 Pedestal and Single Power Supply (PS) Status LEDs..........................................4–2

4–2 Pedestal and Dual Power Supply (PS) Status LEDs............................................ 4–2

4–3 BBU Status LEDs .............................................................................................. 4–3

4–4 SBB Status LEDs...............................................................................................4–5

4–5 Personality Module Blower Status Indicators ................................................... 4–12

5–1 Pedestal Field Replaceable Parts......................................................................... 5–2

A–1 StorageWorks Power Units................................................................................ A–2

A–2 StorageWorks Wide Expansion Storage Pedestal Physical Specifications.......... A–2

A–3 Environmental Specifications............................................................................ A–3

A–4 Thermal Stabilization Specifications.................................................................. A–4

Order Number: EK–SMCPC–UG. A01 vii

Revision Record

This Revision Record provides a concise publication history of this guide. It lists the manual revision levels,

release dates, and reasons for the revisions. It also describes how the changes to affected pages are

marked in the guide.

The following revision history lists all revisions of this publication and their effective dates. The

publication part number is included in the Revision Level column, with the last entry denoting the

latest revision. This publication supports the StorageWorks Wide Expansion Storage Pedestal.

Revision Level Date Summary of Changes

EK–SMCPC–UG. A01 January 1995 Original release

Order Number: EK–SMCPC–UG. A01 ix

About This Guide

This section identifies the users of this guide and describes the contents and structure. In addition, it

includes the conventions used in this guide.

This guide provides installation and maintenance information for the StorageWorks

Wide Expansion Storage Pedestal.

Intended Audience

This guide is intended for people who will install, operate, and maintain StorageWorks

Wide Expansion Storage Pedestals.

NOTE

Installing the StorageWorks Wide Expansion Storage

Pedestal requires a general understanding of SCSI devices

and basic hardware installation procedures. Otherwise,

contact your service representative for installation assistance.

If you are unfamiliar with the components of the base

subsystem, it is recommended that you review Section 1.3

before proceeding with the installation of your pedestal.

Document Structure

This guide contains the following chapters:

Chapter 1: Introduction

Introduction gives an overview of the StorageWorks Wide Expansion Storage Pedestal,

describes its components, and discusses the pedestal's features.

Chapter 2: Installation

Installation describes unpacking, SCSI cables and connectors, the SCSI cable

connection between the pedestal and the host system, the power cable connection, and

how to install the components of the pedestal. The chapter also discusses the pedestal

power-on test.

StorageWorks Wide Expansion Storage Pedestal

xOrder Number: EK–SMCPC–UG. A01

Chapter 3 Pedestal Configuration Rules

Pedestal Configuration Rules describes pedestal bus configurations device addresses,

pedestal power, rules for configuring the StorageWorks Building Blocks (SBBs), the

SCSI bus, and how to reconfigure the SCSI bus from one to two buses.

Chapter 4 Maintenance

Maintenance describes the pedestal SBB LED indicators and how to use them to

monitor pedestal operation, how to replace an SBB, the front/rear bezel, and a blower.

There is also a brief troubleshooting tip.

Chapter 5 Illustrated Parts

Illustrated Parts shows an exploded view of the pedestal with a related table which lists

the part numbers of field replaceable parts.

Appendix A: StorageWorks Product Specifications

StorageWorks Product Specifications list the power, physical, and environmental

specifications for the pedestal.

Appendix B: Manufacturer's Declarations

Manufacturer's Declarations describes the Radio Frequency Interference (RFI) and

acoustic noise declarations for the pedestal.

Conventions

This guide uses the following conventions:

Documentation Conventions

Style Meaning

boldface type For emphasis

italic type For emphasis and manual titles

Order Number: EK–SMCPC–UG. A01 1–1

Introduction

This chapter provides an overview of the Wide Expansion Storage Pedestal, outlines its features, and

describes the system components and options available to the user.

1.1 Product Description

The StorageWorks Wide Expansion Storage Pedestal offers a low cost mass storage

solution with configuration flexibility by allowing you to design your storage array. The

pedestal product line consists of a vertical free standing modular storage cabinet with an

integral SCSI bus backplane that can be configured for either one or two SCSI buses.

The optional modular components available for the pedestal are referred to as

StorageWorks Building Blocks (SBBs) which are packaged in 3.5 and 5.25-inch form

factors containing devices such as disk, tape, and optical drives, power supplies, and

Battery Backup Units (BBUs). Figure 1–1 illustrates a typical pedestal configuration

equipped with two 3.5-inch SCSI drives, one 5.25-inch SCSI drive, and a dc power

supply.

Figure 1–1 Wide Expansion Storage Pedestal

StorageWorks Wide Expansion Storage Pedestal

1–2 Order Number: EK–SMCPC–UG. A01

1.2 Pedestal Features

The StorageWorks Wide Expansion Storage Pedestal offers the following features:

•Low-cost Small Computer System Interface (SCSI) device storage subsystems

•StorageWorks Building Blocks (SBBs) that snap-in

•The ability to mix 3.5-inch and 5.25-inch devices

•The freedom to design a system to match your storage requirements

•A redundant power option

•Redundant cooling

•Visual status indicators

•The ability to hot swap SBBs without powering down the pedestal

•Configurable as one or two independent SCSI buses

•Two-bus configuration permits operation of SCSI buses from two controllers or even

two host systems

•Front and rear bezels that can be locked in place

•Active SCSI bus termination provided

•Personality module facilitates SCSI bus connection and termination, and monitors

temperature and blower status

•150 W power supply

1.3 Pedestal Component Description

The components of the pedestal include the following:

•StorageWorks Building Blocks

- Disk, tape, CD – ROM, and optical devices

- Industry standard 3.5 and 5.25-inch form factor devices

- Power supplies and Battery Backup Units

•Fan assemblies (blowers)

•Personality module

Figure 1–2 identifies the components of the StorageWorks Wide Expansion Storage

Pedestal configured with a 5.25 and two 3.5-inch disk drives.

1.3.1 StorageWorks Building Blocks (SBBs)

All storage devices and power units are mounted inside modular carriers that plug into

slots in the pedestal. Each SBB can be removed and replaced without powering down the

pedestal. In addition, each SBB has visual status indicator LEDs which are used to

determine whether devices are functioning properly.

The 3.5-inch SBB enclosure has guides that mate with grooves in the pedestal slot and

ensure that the connector at the rear of the enclosure properly mates with the pedestal

connector. When the SBB is fully inserted into the pedestal, the side mounted tabs

expand and engage the pedestal to securely mount the SBB. To remove the SBB, you

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