HP Surestore Tape Library Model 6/140 HP SureStore E Tape Library Model 6/140 - Page 29

SCSI Cable Connections, CAUTION

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Getting Started NOTE CAUTION Getting Started Installing the Library (for Authorized Service Personnel only) SCSI Cable Connections Refer to "Fibre Channel Cable Connections" on page 1-16 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 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 or performance will be degraded. Connect the library as follows (refer to Table 1-4 on page 1-15): 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 on level 1 (drive module 1). Use SCSI cables and HVDS differential terminators for high-voltage SCSI interfaces. User 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 1-13

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Getting Started
Installing the Library (for Authorized Service Personnel only)
Chapter 1
1-13
Getting Started
SCSI Cable Connections
NOTE
Refer to
“
Fibre Channel Cable Connections
”
on page 1-16 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 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
or performance will be degraded.
Connect the library as follows (refer to Table 1-4 on page 1-15):
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 on level 1 (drive module 1).
CAUTION
Use SCSI cables and HVDS differential terminators for high-voltage
SCSI interfaces. User 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).