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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
2.7.3
Cabling the RAID array Storage Subsystem to the
DS-DWZZH-05 UltraSCSI Hub ................................ 2–8
2.7.3.1
Cabling an HSZ50 to a DS-DWZZH-05 UltraSCSI
Hub ............................................................
2–8
2.7.3.2
Cabling 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