User's Guide

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T-010, Rev. B November 13, 2001
can be used to find all attached SCSI controllers and target devices. To
search for all SCSI controllers and devices use the command:
hinv –v | grep SCSI
The output of the command will be similar to the following:
Integral SCSI controller 0: Version ADAPTEC 7880
Disk drive unit 1 on SCSI controller 0
CD ROM unit 4 on SCSI controller 0
Integral SCSI controller 1: Version ADAPTEC 7880
Tape drive: unit 6 on SCSI controller 1: DAT
This output shows that a tape drive is present on SCSI controller 1 at SCSI
ID address #6. Available SCSI ID’s are 0,2,3,5 6, 8 – 15 on controller 0 and
ID’s 1 – 5 and 8 – 15 on controller 1 (this particular controller supports
Wide/Ultra SCSI).
Note: SCSI ID #7 is almost always dedicated to the SCSI controller. Never
configure your target device for ID 7 unless you are absolutely sure
that the controller is not addressed for ID 7. See figure 1 to view how
to set the SCSI ID address jumpers for the Viper 200.
Modifying the configuration file
To attach the Viper 200 to IRIX the file ‘scsi’ needs to be modified by a text
editor. The file can be found in /var/sysgen/master.d . Open the file and use
the text editor to add the following at the end of the tape device entries:
For IRIX 6.2 :
{DATTAPE, TPDAT, 7, 7, “SEAGATE”, “ULTRIUM06242”, 0,0, {0},
MTCAN_BSF | MTCAN_BSR | MTCAN_APPEND | MTCAN_SETMK |
MTCAN_PREV | MTCAN_SYNC | MTCAN_SPEOD | MTCAN_CHKRDY |
MTCAN_VAR | MTCAN_SETSZ | MTCAN_SILI | MTCAN_SEEK |
MTCAN_COMPRESS,
40, 5*60, 10*60, 10*60, 3*3600, 512, 256*512, 0, (u_char*)
0},