User`s guide

Figure 2–6: TruCluster Configuration with an RA3000 Pedestal with
Active/Passive Failover and a DWZZH-03 UltraSCSI Hub
T
T
T
T
T
1
DS-DWZZH-03
1
2
KZPBA-CB
KZPBA-CB
AlphaServer
Member
AlphaServer
Member
System 1
System 2
RAID Array
3000 Pedestal
Host
0
Host
1
ZK-1485U-AI
T
Table 2–4 shows the components used to create the clusters shown in
Figure 2–4, Figure 2–5, and Figure 2–6.
Table 2–4: Hardware Components Used in the Configurations Shown in
Figure 2–4, Figure 2–5, and Figure 2–6
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 2–7 shows a four-member TruCluster configuration and an RA3000
controller shelf with active/active or active/passive failover radially
connected to a DS-DWZZH-05 UltraSCSI hub.
2–22 Using the StorageWorks RAID Array 3000 in a TruCluster Configuration