IBM ServeRAID-4 Ultra160 Series User Reference page 110

Figure 23. A high-level view of a cluster
Figure 24. A detailed view of a cluster
Note A: Server A
v Shared Channel 1 - SCSI ID 6
v Non-shared Channel 2 - SCSI ID 6
v Non-shared Channel 3 - SCSI ID 7
Note B: Server B
v Shared Channel 1 - SCSI ID 7
v Non-shared Channel 2 - SCSI ID 7
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IBM User's Reference: ServeRAID
Server A
Server A
233
CD-ROM
MHz
Drive
6
RAID - 1
4
SCSI IDs
Array A
3
Channel 2
Integrated
Ethernet EtherJet
Channel 1
Controller ServeRAID
See Note A
Repeater
Arrays
Power Cord
™
-4 Ultra160 SCSI Controller
Clients
Public Network
Crossover
Cable
(Heartbeat)
SCSI Bus
Server B
Expansion Enclosure
Public Network
SCSI IDs
Crossover Cable (Heartbeat)
Channel 1
B B B
_ _
0 1 2 3 4 5
SCSI IDs
C C C
_ _
Repeater
8 9 10 1112 13
3518 Enclosure
UPS Power Cord
UPS UPS
Expansion
Server A Server B
Unit
Server B
233
CD-ROM
MHz
Drive
6
RAID - 1
4
Array A
3
Channel 2
Integrated
EtherJet Ethernet
ServeRAID
Controller
See Note B