User`s guide

Figure 2–7: TruCluster Configuration with an RA3000 Controller Shelf 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
1
AlphaServer
Member
System 2
T
KZPBA-CB
AlphaServer
Member
System 1
AlphaServer
Member
System 3
T
KZPBA-CB
AlphaServer
Member
System 4
T
T
Host 0 I/O
Module
Host 1 I/O
Module
Host
In
Host
Out
Host
In
Host
Out
RAID Array 3000
Controller Shelf
2
3
ZK-1479U-AI
Table 2–5 shows the components used to create the cluster shown in
Figure 2–7.
_______________________ Note _______________________
In Figure 2–7, Host 0 I/O module is connected to Host 1 I/O
module to provide all available SCSI targets (16 LUNs) on a
single connection to the RA3000.
Using the StorageWorks RAID Array 3000 in a TruCluster Configuration 2–23