Figure13: MinimumTwo-Node Cluster with UltraSCSI BA356Storage Unit
ID 5
PWR
Shared
SCSI
Bus
Clusterwide
/, /usr, /var
Member 1
Boot Disk
Member 2
Boot Disk
Quorum
Disk
UltraSCSI
BA356
ID 4
Host Bus Adapter (ID 7)
Memory
Channel
Interface
Memory Channel
Host Bus Adapter (ID 6)
Memory Channel
Member
System
2
Member
System
1
Tru64
UNIX
Disk
Shared
SCSI
Bus
ID 6
ID 3
ID 2
ID 1
ID 0 DS-BA35X-DA
Personality
Module
Clusterwide
Data Disks
Do not use for
data disk. May
be used for
redundant power
supply.
Network
ZK-1591U-AI
The configuration shown in Figure 13 might represent a typical small ortraining configuration with TruCluster Server Version5.0A required disks.In this configuration, because of the TruCluster Server Version 5.0A diskrequirements, there will only be two disks available for highly availableapplications.
______________________ Note _______________________
Slot 6 in the UltraSCSIBA356 isnot available because SCSI ID 6is generally used for a member system SCSI adapter. However,

Introduction 19