Direct Connection; Daisy Chain Connection - HP Surestore Tape Library Model 20/700 Installation Instructions Manual

SCSI Drive Connections
For SCSI operation, make sure that you comply with the length restrictions for your
channel type.
It is very important to label each drive with its host address. It is also important to label the
cables. These labels provide reliable identification for any future maintenance on the
drives.
CAUTION: Do not connect SCSI cables to the drives until they are configured for
operation.

Direct Connection

For installations requiring SCSI direct data path configurations, for each drive:
1.
2. Connect the host data cable to the appropriate connector at the rear library frame for the
3. Make sure a terminator is installed on the second drive connector at the rear library frame:

Daisy Chain Connection

NOTE: Bus Constraints
• 1 9840 drive plus (optionally) library robotics
• 1 DLT8000 drive plus (optionally) library robotics
CAUTION: For maximum performance the above bus constraints must be followed.
Additionally, sharing of the bus with other devices is not recommended--device bus resets
may cause failure of the backup operation.
For installations requiring SCSI daisy–chain data path configurations:
1. Open the left rear door.
2. Connect the host data cable to the appropriate connector at the rear library frame.
3. At the rear of the library frame, install a short SCSI jumper cable from the second connec-
4. Continue the chain until you reach the last drive on the chain.
5. Make sure a terminator is installed on the last drive connector on the rear library frame.
n the left rear door.
Ope
first drive.
tor of the first drive to the next drive connector in the chain:
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