Order Number: EK–SMITB–UG. E01
D–1
D
Product Notes for IBM
™
RS/6000
This appendix provides information for the system administrator. It should be read before installing and using the
SWXTL-BA tape drive SBB with a host system with the AIX 3.2.5 (or later) operating system.
D.1
Modifications Required to Operate the SWXTL-BA with AIX 3.2.5 (or later)
After the SWXTL-BA tape drive has been properly attached to the SCSI bus, install the device
using "smit" or by executing specific commands while logged into the root account. Section
D.1.1 below describes how to install the tape drive using the fast-path command
(smit dev)
.
Section D.1.2 describes how to install the device using the command-line interface.
D.1.1
Installing the SWXTL-BA Using the SMIT Command
While the SWXTL-BA can operate with a variable block size (0) or the conventional
values of 512 or 1024, for best performance us a block sixe of at least 10240.
From the command line, type:
# smit dev
Select menu entry "Configure the devices you have added after the IPL".
Select menu entry "Change/show the characteristics".
a) Select the entry that matches the controller and target ID of your installation.
Example: rmt1 available 00–03–00–50 other SCSI tape drive
where 3 is the SCSI controller number and 5 is the SCSI target ID
b) On the menu, change the settings of the "BLOCK size", "DENSITY setting #1", and
"DENSITY setting #2".
Set “BLOCK size” to 10240.
Set “DENSITY setting #1” to 129.
Set “DENSITY setting #2” to 128.
Density codes are listed in Section D.1.2 below.
c) Accept the changes.