Figure 9–14: TruCluster Server Cluster Using DS-DWZZH-03, SCSI Adapter
with TerminatorsInstalled, and HSZ50
TT
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
Table9–4 shows the components used to create the cluster shown in
Figure 9–14.
Table9–4: Hardware Components Used in Configuration Shown in Figure
9–14
Callout Number Description
1BN38C cableab
2H885-AA HD68 trilink connector
3H879-AA HD68 terminator
4BN21K or BN21L cableb
aThemaximum length of the BN38C cable on one SCSI bus segment must not exceed 25 meters.
bThemaximum combined length of the BN38C and BN21K (or BN21L) cables on the storage SCSIbus
segmentmust 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 ConfigurationsUsing ExternalTermination or Radial Connections to Non-UltraSCSIDevices