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Compaq AA-RHGWC-TE User Manual

Page 322

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Figure 9–14 shows a sample configuration with radial connection of
KZPSA-BB PCI-to-SCSI adapters, DS-DWZZH-03 UltraSCSI hub, and an
HSZ50 RAID array controller. Note that the KZPSA-BBs could be replaced
with KZPBA-CB UltraSCSI adapters without any changes in cables.

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

KZPSA-BB (ID 7)

Network

Memory
Channel
Interface

Memory Channel

KZPSA-BB (ID 6)

Memory Channel

Member
System
2

Member
System
1

2

1

1

2

T

T

3

4

HSZ50

Controller A

Controller B

HSZ50

T

T

T

T

DS-DWZZH-03

1

ZK-1766U-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.

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