User`s guide

Figure 2–8: TruCluster Configuration with an RA3000 Pedestal with
Active/Active or Active/Passive Failover and a DWZZH-05 UltraSCSI Hub
T
T
T
T
TT
1
DS-DWZZH-05
KZPBA-CB
KZPBA-CB
1
1
KZPBA-CB
T
T
T T
RAID Array
3000 Pedestal
Host
0
Host
1
2 2
AlphaServer
Member
System 3
AlphaServer
Member
System 1
AlphaServer
Member
System 2
ZK-1480U-AI
Table 2–6 shows the components used to create the cluster shown in
Figure 2–8.
Table 2–6: Hardware Components Used in the Configuration Shown in
Figure 2–8
Callout Number Description
1 BN38C HD68 to VHDCI cable
a
2
BN37A VHDCI cable
b
a
The maximum length of the SCSI bus segment, including the combined length of BN38C cables and
internal device length, must not exceed 25 meters.
b
The maximum length of the SCSI bus segment, including the BN37A cables and internal device length,
must not exceed 25 meters.
Figure 2–9 (pedestal) and Figure 2–10 (controller shelf) show an externally
terminated TruCluster configuration using an RA3000. The RA3000
controller shelf and pedestal contains internal termination.
Using the StorageWorks RAID Array 3000 in a TruCluster Configuration 2–25