User's Guide

Scorpion 40 configurations for Windows NT, Novell, and UNIX 9

Configurations for the SGI environment

Dip switch settings

Before using the Scorpion 40 in a SGI UNIX environment, make sure

the dip switches are all set to ON, as shown in the table below:

Operating System / tape

driver software

Switch

SGI UNIX

ON ON ON ON

Note:

The main difference between tape drive support in Irix 5.x and

6.x is the introduction for Data Compression switching via

software in Irix version 6.2. When running Irix 5.x, the drive

will always operate in the compression setting determined by

switch 6 on the bottom of the drive (off=compression enabled

(default), on=compression disabled).

Irix V5.x

To configure Irix 5.x to use the Scorpion 40, you must modify the file

/var/sysgen/master.d/scsi as described below:

1. Edit the file

/var/sysgen/master.d/scsi

and add the following

entry:

{DATTAPE,TPDAT,7,12,"SEAGATE","DAT 06240"/*DAT*/,0,0,{0,0,0,0},

MTCAN_SILI|MTCAN_SEEK|MTCAN_CHTYPEANY,

/* minimum delay on i/o is 12 minutes, to allow the Drives

* full error recovery sequence to be performed. */

40, 12*60, 12*60, 12*60, 512, 512*512 },

Note:

The string above contains four spaces between the word

DAT

and the value

06240

2. Rebuild the kernel using the autoconfig command (see the

autoconfig man page for details ). After the kernel is rebuilt you

will need to reboot the system again to bring the changes into

effect.