Compaq DS-DWZZH-05 User Manual

TruCluster Software Products

Hardware Conﬁguration Technical Update for DS-DWZZH-05 UltraSCSI Hub

December 1998 Product Version: TruCluster Production Server

Software Software Version 1.4A and TruCluster Production Server Software Version 1.5 and TruCluster Available Server Software 1.4A and TruCluster Available Server Software Version 1.5

Operating System and Version: Compaq’s DIGITAL UNIX Version

4.0B and Compaq’s DIGITAL UNIX Version 4.0D

This technical update describes how to conﬁgure the DS-DWZZH-05 UltraSCSI hub in a TruCluster Software Products environment.

Compaq Computer Corporation Houston, Texas

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EMORY CHANNEL is a trademark of Encore Computer

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forth in subparagraph (c) (1) (ii). Compaq Computer Corporation makes no representations that the use of its products in the manner

described in this publication will not infringe on existing or future patent rights, nor do the descriptions contained in this publication imply the granting of licenses to make, use, or sell equipment or software in accordance with the description.

Possession, use, or copying of the software described in this publication is authorized only pursuant to a valid written license from Compaq or an authorized sublicensor.

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Contents

About This Technical Update

1 DS-DWZZH-05 UltraSCSI Hub

1.1

1.2

General Overview .....................................................

DS-DWZZH Overview ................................................

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

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.7.1

2.7.2

2.7.3

2.7.3.1

2.7.3.2

DS-DWZZH-05 UltraSCSI Hub Description ..................... 2–1

DS-DWZZH-05 Conﬁguration Guidelines ........................ 2–1

DS-DWZZH-05 Fair Arbitration ................................... 2–3

DS-DWZZH-05 Address Conﬁgurations .......................... 2–4

SCSI Bus Termination Power ...................................... 2–6

DS-DWZZH-05 Indicators ........................................... 2–6

Conﬁguring a Cluster with a DS-DWZZH-05 .................... 2–6

Installing the DS-DWZZH-05 UltraSCSI Hub .............. 2–7

Checking the Host Adapter and Cabling it to the Hub ... 2–7 Cabling the RAID array Storage Subsystem to the

DS-DWZZH-05 UltraSCSI Hub ................................ 2–8

Cabling an HSZ50 to a DS-DWZZH-05 UltraSCSI

Hub ............................................................

Cabling an HSZ70 to a DS-DWZZH-05 UltraSCSI

Hub ............................................................ 2–10

1–1 1–2

2–8

Figures

2–1 2–2 2–3

DS-DWZZH-05 Front View .......................................... 2–5

DS-DWZZH-05 Rear View ........................................... 2–6

TruCluster Conﬁguration Using KZPSA SCSI Adapters, a DS-DWZZH-05 UltraSCSI Hub, and an HSZ50 RAID Array

Controller ..............................................................

Contents iii

2–9

2–4

Tables

2–1

TruCluster Conﬁguration Using a KZPBA-CB UltraSCSI Adapter, a DS-DWZZH-05 UltraSCSI Hub, and an HSZ70

RAID Array Controller .............................................. 2–11

DS-DWZZH UltraSCSI Hub Maximum Conﬁgurations ........ 2–2

2–2

2–3

Hardware Components Used in the Conﬁguration Shown in

Figure 2–3 .............................................................

Hardware Components Used in the Conﬁguration Shown in

Figure 2–4 .............................................................

2–10

2–12

iv Contents

About This Technical Update

This technical update provides important information about using the DS-DWZZH-05 UltraSCSI hub with the TruCluster

Audience

If you plan to use a DS-DWZZH-05 UltraSCSI hub in a TruCluster hardware conﬁguration, read this addendum to the TruCluster Software Products Hardware Conﬁguration manual.

Organization

This technical update contains an introductory chapter and a chapter covering the use and conﬁguration of the DS-DWZZH-05 UltraSCSI hub in a TruCluster conﬁguration.

software products.

About This Technical Update v

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