IBM 3580-L11 Setup Guide - Page 27

Step 9. Installing Device Drivers, Step 10. Connecting the SCSI Bus Cable, VERITAS Backup Exec

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Step 9. Installing Device Drivers A device driver is host firmware that enables the 3580 Tape Drive to interact with a variety of hosts. Install device drivers for the 3580 Tape Drive as follows: Note: If you intend to use the 3580 Tape Drive with a commercial software application, IBM recommends that you do not install any device driver from the CD that was shipped with the tape drive, as conflicts could occur over which driver controls the drive. Only install a device driver from the CD if the instructions from your commercial software application tell you to do so. v If you intend to use the 3580 Tape Drive with an existing or new commercial software application (such as Tivoli Storage Manager, Computer Associates ARCserveIT, VERITAS Backup Exec, or Legato NetWorker), refer to that application's installation instructions to install the device driver and configure the 3580 Tape Drive. v If you do not intend to use the 3580 Tape Drive with a commercial software application, install the device driver from the CD that was shipped with the drive. Refer to the installation instructions in the IBM Ultrium Device Drivers Installation and User's Guide, which is on the CD and also included in published form. The CD contains drivers and installation instructions for supported operating systems. Step 10. Connecting the SCSI Bus Cable Note: For maximum performance, the quantity of tape drives that you can attach to one SCSI bus is limited, and is based on the type of bus that you have and the amount of data compression achieved. Ultra SCSI buses have a bandwidth of 40 MB per second; Ultra2 LVD SCSI buses have a bandwidth of 80 MB per second. The 3580 Tape Drive is capable of data transfer rates of 15 MB per second with no compression and 30 MB per second at 2:1 compression. For these reasons, you should attach only 1 or 2 Model H11 3580 Tape Drives to an Ultra SCSI bus and from 2 to 4 Model L11 3580 Tape Drives to an Ultra2 SCSI bus. The SCSI bus cable connects the 3580 Tape Drive to the host. You can connect the SCSI bus cable (and the terminator) to either SCSI connector on the 3580 Tape Drive. __ 1. Ensure that the 3580 Tape Drive is powered off and plugged into the electrical outlet. __ 2. If the host's SCSI bus is in operation, stop all activity on the bus that you are connecting to (for instructions about how to stop SCSI bus activity, see your host's documentation). Chapter 2. Installing 11

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Step 9. Installing Device Drivers
A device driver is host firmware that enables the 3580 Tape Drive to interact with a
variety of hosts. Install device drivers for the 3580 Tape Drive as follows:
Note:
If you intend to use the 3580 Tape Drive with a commercial software
application, IBM recommends that you do not install any device driver from
the CD that was shipped with the tape drive, as conflicts could occur over
which driver controls the drive. Only install a device driver from the CD if the
instructions from your commercial software application tell you to do so.
v
If you intend to use the 3580 Tape Drive with an existing or new commercial
software application (such as Tivoli Storage Manager, Computer Associates
ARCserve
IT
, VERITAS Backup Exec, or Legato NetWorker), refer to that
application’s installation instructions to install the device driver and configure the
3580 Tape Drive.
v
If you do not intend to use the 3580 Tape Drive with a commercial software
application, install the device driver from the CD that was shipped with the drive.
Refer to the installation instructions in the
IBM Ultrium Device Drivers Installation
and User’s Guide
, which is on the CD and also included in published form. The
CD contains drivers and installation instructions for supported operating systems.
Step 10. Connecting the SCSI Bus Cable
Note:
For maximum performance, the quantity of tape drives that you can attach to
one SCSI bus is limited, and is based on the type of bus that you have and
the amount of data compression achieved. Ultra SCSI buses have a
bandwidth of 40 MB per second; Ultra2 LVD SCSI buses have a bandwidth
of 80 MB per second. The 3580 Tape Drive is capable of data transfer rates
of 15 MB per second with no compression and 30 MB per second at 2:1
compression. For these reasons, you should attach only 1 or 2 Model H11
3580Tape Drives to an Ultra SCSI bus and from 2 to 4 Model L11 3580
Tape Drives to an Ultra2 SCSI bus.
The SCSI bus cable connects the 3580 Tape Drive to the host. You can connect the
SCSI bus cable (and the terminator) to either SCSI connector on the 3580 Tape
Drive.
__ 1.
Ensure that the 3580 Tape Drive is powered off and plugged into the
electrical outlet.
__ 2.
If the host’s SCSI bus is in operation, stop all activity on the bus that you are
connecting to (for instructions about how to stop SCSI bus activity, see your
host’s documentation).
Chapter 2. Installing
11