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Compaq AA-RHGWB-TE User Manual

Page 280

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Figure 9–14: TruCluster Server Cluster Using DS-DWZZH-03, SCSI Adapter
with Terminators Installed, and HSZ50

T

T

T

T

HSZ50

HSZ50

T

1

DS-DWZZH-03

KZPSA-BB

KZPSA-BB

1

AlphaServer

Member

System 1

AlphaServer

Member

System 2

T

2

1

4

3

2

ZK-1415U-AI

Table 9–4 shows the components used to create the cluster shown in
Figure 9–14.

Table 9–4: Hardware Components Used in Configuration Shown in Figure
9–14

Callout Number

Description

1

BN38C cable

a b

2

H885-AA HD68 trilink connector

3

H879-AA HD68 terminator

4

BN21K or BN21L cable

b

a The maximum length of the BN38C cable on one SCSI bus segment must not exceed 25 meters.

b The maximum combined length of the BN38C and BN21K (or BN21L) cables on the storage SCSI bus
segment must not exceed 25 meters.

Figure 9–15 shows a sample configuration that uses KZPSA-BB SCSI
adapters, a DS-DWZZH-05 UltraSCSI hub, and an HSZ50 RAID array
controller.

9–30 Configurations Using External Termination or Radial Connections to Non-UltraSCSI Devices