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Scorpion 240 Autoloader Installation Manual A-47
Configuration for the SGI environment
Dip switch settings
Before using the Scorpion 240 in a SGI UNIX environment,
make sure that the dip switches are as shown below:
Switch 5 Switch 6 Switch 7 Switch 8
Setting
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 240, 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_BSF|MTCAN_BSR|MTCAN_APPEND|MTCAN_SETMK|MTCAN_PART|MTCAN_PREV|
MTCAN_SYNC|MTCAN_SPEOD|MTCAN_CHKRDY|MTCAN_VAR|MTCAN_SETSZ|
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.