Technical data

Figure 3–8 shows a two-member TruCluster Server configuration with
a radially connected dual-redundant HSZ80 configured for multiple-bus
failover.
Figure 3–8: TruCluster Server Configuration with HSZ80 in Multiple-Bus
Failover Mode
KZPBA-CB (ID 7)
Networks
Memory
Channel
Interfaces
KZPBA-CB (ID 6)
Memory Channel (mca0)
Member System 2
Member System 1
DS-DWZZH-03
T
T
T
2
3
1
4
1
3
T
KZPBA-CB (ID 6)
KZPBA-CB (ID 7)
DS-DWZZH-03
T
T
T
1
1
T
4
2
T
T
T
T
Memory Channel (mca1)
Memory Channel (mca0)
Memory Channel (mca1)
ZK-1602U-AI
StorageWorks
RAID Array 8000
HSZ80
HSZ80
Controller A
Controller B
Port 1
Port 2
Port 1
Port 2
Table 3–4 lists the components that are used to create the cluster that is
shown in Figure 3–8.
3.7.1.3 Preparing an RA3000 for Use on a Shared SCSI Bus with an UltraSCSI Hub
The RAID Array 3000 (RA3000) is a low-end, standalone UltraSCSI RAID
subsystem. It supports RAID levels 0, 1, 0+1, 4, 5, and just a bunch of
disks (JBOD) disks.
3–26 Shared SCSI Bus Requirements and Configurations Using UltraSCSI Hardware