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Compaq AA-RHGWC-TE User Manual

Page 32

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Figure 1–3: Minimum Two-Node Cluster with UltraSCSI BA356 Storage 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 1–3 might represent a typical small or
training configuration with TruCluster Server Version 5.1 required disks.

In this configuration, because of the TruCluster Server Version 5.1 disk
requirements, there will only be two disks available for highly available
applications.

______________________

Note

_______________________

Slot 6 in the UltraSCSI BA356 is not available because SCSI ID 6
is generally used for a member system SCSI adapter. However,

1–8 Introduction