HP Surestore E Tape Library Model 6/60 HP SureStore E Tape Library Models 2/20 - Page 43

SCSI Cable Connections

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Getting Started NOTE CAUTION Library Installation Connecting and Powering on the Library SCSI Cable Connections Refer to "Fibre Channel Cable Connections" on page 1-33 if the library is configured with Fibre Channel. This section illustrates a standard SCSI configuration that produces a high level of data storage performance (one SCSI host bus adapter card for each drive in the library with the library controller daisy-chained to the first drive). HP supports up to two drives per SCSI host bus adapter but recommends only one drive per bus. If compression is used when attaching two drives per bus, keep in mind the combined transfer rate of the drives must not exceed the throughput of the host bus adapter used. Connect the library as follows (refer to Figure 1-18 through Figure 1-20): 1. Properly power off all peripheral devices connected to the host computer. 2. Power off the host. If the host is connected to a network, check with the system administrator before turning off power. 3. Connect a 68-pin jumper cable from the top connector of the library controller to the left drive module (drive module 1). Use SCSI cables and HVDS differential terminators for high-voltage SCSI interfaces. Use SCSI cables and LVDS differential terminators for low-voltage SCSI interfaces. The label on the library controller indicates high or low voltage. 4. Connect the appropriate 68-pin SCSI terminator to the bottom connector on the library's controller card. 5. Connect a 68-pin SCSI cable from a host SCSI card to each drive module. Add the appropriate terminators to the remaining SCSI connectors. 6. Connect the remote management card (see "Using the Remote Management Card" on page 3-9). Chapter 1 1-27

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Library Installation
Connecting and Powering on the Library
Chapter 1
1-27
Getting Started
SCSI Cable Connections
NOTE
Refer to
“
Fibre Channel Cable Connections
”
on page 1-33 if the library is
configured with Fibre Channel.
This section illustrates a standard SCSI configuration that produces a
high level of data storage performance (one SCSI host bus adapter card
for each drive in the library with the library controller daisy-chained to
the first drive). HP supports up to two drives per SCSI host bus adapter
but recommends only one drive per bus. If compression is used when
attaching two drives per bus, keep in mind the combined transfer rate of
the drives must not exceed the throughput of the host bus adapter used.
Connect the library as follows (refer to Figure 1-18 through Figure 1-20):
1.
Properly power off all peripheral devices connected to the host
computer.
2.
Power off the host. If the host is connected to a network, check with
the system administrator before turning off power.
3.
Connect a 68-pin jumper cable from the top connector of the library
controller to the left drive module (drive module 1).
CAUTION
Use SCSI cables and HVDS differential terminators for high-voltage
SCSI interfaces. Use SCSI cables and LVDS differential terminators for
low-voltage SCSI interfaces. The label on the library controller indicates
high or low voltage.
4.
Connect the appropriate 68-pin SCSI terminator to the bottom
connector on the library
’
s controller card.
5.
Connect a 68-pin SCSI cable from a host SCSI card to each drive
module. Add the appropriate terminators to the remaining SCSI
connectors.
6.
Connect the remote management card (see
“
Using the Remote
Management Card
”
on page 3-9).