Compaq AA-RHGWC-TE 842 Configuring a Shared SCSI Bus for Tape Drive Use

In Figure 8–13, one bus is connected to port 1 (robotics controller and tape
drives 0 and 1)and the other bus is connected to port 3 (tape drives 2 and 3).
Ensure that the terminators are present on the tape drives 1 and 3.
Figure 8–13: Shared SCSI Buses with TL894 in Two-Bus Mode
KZPBA-CB (ID 7)
Memory
Channel
Interface Memory Channel
KZPBA-CB (ID 6)
Member System 1
DS-DWZZH-03
T
TT
2
1
4
1
3
StorageWorks
RAID Array 7000
HSZ70HSZ70
Controller B Controller A
T
KZPBA-CB (ID 7)
55
67
7
KZPBA-CB (ID 6)
T
T
Network
T
Member System 2
Memory Channel
KZPBA-CB (ID 6) KZPBA-CB (ID 7)
T5
TL894
SCSI Port 4
SCSI Port 3
SCSI Port 2
SCSI Port 1
(2-bus mode)
5
7
7
ZK-1625U-AI
Table8–10 shows the components used to create the cluster shown in
Figure 8–13.
Table8–10: Hardware Components Used to Create the Configuration
Shown in Figure 8–12
Callout Number Description
1BN38C or BN38D cablea
2BN37A cableb
3H8861-AA VHDCI trilink connector
4H8863-AA VHDCI terminator
5BN21W-0B Y cable
8–42 Configuring a Shared SCSI Bus for Tape Drive Use