Contents

About This Technical Update

1 DS-DWZZH-05 UltraSCSI Hub

1.1

General Overview

1–1

1.2

DS-DWZZH Overview

1–2

2 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration

2.1

DS-DWZZH-05 UltraSCSI Hub Description

2–1

2.2

DS-DWZZH-05

Configuration Guidelines

2–1

2.3

DS-DWZZH-05

Fair Arbitration

2–3

2.4

DS-DWZZH-05

Address Configurations

2–4

2.5

SCSI Bus Termination Power

2–6

2.6

DS-DWZZH-05

Indicators

2–6

2.7

Configuring a Cluster with a DS-DWZZH-05

2–6

2.7.1

Installing the DS-DWZZH-05 UltraSCSI Hub

2–7

2.7.2

Checking the Host Adapter and Cabling it to the Hub ...

2–7

2.7.3Cabling the RAID array Storage Subsystem to the

DS-DWZZH-05 UltraSCSI Hub

2–8

2.7.3.1Cabling an HSZ50 to a DS-DWZZH-05 UltraSCSI

Hub

2–8

2.7.3.2Cabling an HSZ70 to a DS-DWZZH-05 UltraSCSI

Hub

2–10

Figures

2–1

DS-DWZZH-05

Front View

2–5

2–2

DS-DWZZH-05

Rear View

2–6

2–3

TruCluster Configuration Using KZPSA SCSI Adapters, a

 

 

DS-DWZZH-05

UltraSCSI Hub, and an HSZ50 RAID Array

 

 

Controller

2–9

Contents iii

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Compaq DS-DWZZH-05 manual Contents