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HP D7171A - NetServer - LPr Installation Manual: Primary Cage Dual Bus - Scsi A And B

Hp netserver lh 3000 installation guide.
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Chapter 4

Primary Cage Dual Bus - SCSI A and B

This is a block diagram of the LH 3000r cage duplexed.
PCI Slots
Channel B:
Used for Bottom Half
of Cage
These are the drive configurations and SCSI IDs for the primary cage duplexed.
Slot Number
1
2
3
4
5
Disk Drive
1
3
5
2
4
SCSI Device ID
1
2
0
0
1
SCSI Bus ID
B
B
B
A
A
Bus B
Bus A
Center Line
Figure 4-7. Rack-mount Duplex Mass Storage Configurations
NOTE
HP recommends the duplexed cage run off SCSI A and SCSI B
so that both the top and bottom halves run at the same speed.
I/O Board
Channel A:
Used for Top Half
SCSI A
of Cage
SCSI B
Backplane of
Primary Hot-Swap
Mass Storage Cage
Center Line
Figure 4-6. Primary Cage Duplexed
1
2
3
4
5
6
6
1
2
3
4
6
0
2
0
2
2
B
B
A
A
A
Bus B
Bus A
Center Line
Installing Mass Storage Devices
1
2
4
3
5
6
1
5
2
3
4
0
2
0
1
2
B
B
A
A
A
Bus B
Bus A
Center Line
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