Primary And Secondary Cages Duplexed - HP D7171A - NetServer - LPr Installation Manual

Chapter 4

Primary and Secondary Cages Duplexed

Secondary
Cage
Slot Number 1 2
Disk Drive 1
2
SCSI Device ID 0 1
SCSI Bus ID D
D
Bus D
Primary
Cage
Slot Number 1 2
1
Disk Drive 2
SCSI Device ID 0 1
B B
SCSI Bus ID
Bus B
44
I/O Board shown with a DAC in
PCI slot 5 (Channel X) and 6 (Channel Y)
SCSI A
SCSI B
Primary Cage
C
D
Secondary Cage
Channel D Channel C
to Bottom Half to Top Half
Figure 4-8. Both Cages Duplexed
Load
3 4 5 6 1 2 3
5 1 2
3 4 6
2 0 1 2 0 2
D
D C C C D
Bus C Bus D
Center Line
Center Line
1 2
3
5
3 4 6
1 2
3 4 5 6
0 2
2 0 1 2
B B
B A A
A
Bus B
Bus A
Center Line Center Line
Figure 4-9. Duplex Drive Configurations
Installing Mass Storage Devices
SCSI A
to Top Half
SCSI B
to Bottom Half
4 5 6
1 2 3 4
3
4
1
2 3 4
0 2
0 0 1
2
C C
D D C C
Bus C Bus C
Bus D
Center Line
4 5 6
1 2 3 4 5
3 4
1 2 3 4
0 2
0 2 0 1
A
A
B B A A
Bus A
Bus B Bus A
Center Line
5 6
5
2
C
6
5
2
A