Compaq TruCluster Server AA-RHGWB-TE, Manual

Page: 280 / 320

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