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Configuring Robotic Controls

Examples of Creating Device Files

Example 1

In this example the robotic control for a ADIC Scalar 100 library is on a SCSI bus with a

instance number of 7 (ext_bus entry, I column), SCSI ID 2 and LUN 0. The robotic control

for an IBM ULT3583-TL library is on the same SCSI bus at SCSI ID 3 and LUN 0.

Use the following procedure to create the robotic device files:

1. Use the ioscan -f command to get information on the SCSI bus and the robotic

control.

Class I H/W Path Driver S/W State H/W Type Description

=================================================================

ext_bus 7 0/7/0/1 c720 CLAIMED INTERFACE SCSI C896 Fast

Wide LVD

target 10 0/7/0/1.0 tgt CLAIMED DEVICE

tape 65 0/7/0/1.0.0 stape CLAIMED DEVICE QUANTUM SuperDLT1

target 11 0/7/0/1.1 tgt CLAIMED DEVICE

tape 66 0/7/0/1.1.0 stape CLAIMED DEVICE QUANTUM SuperDLT1

target 12 0/7/0/1.2 tgt CLAIMED DEVICE

autoch 14 0/7/0/1.2.0 schgr CLAIMED DEVICE ADIC Scalar 100

target 13 0/7/0/1.3 tgt CLAIMED DEVICE

autoch 19 0/7/0/1.3.0 schgr CLAIMED DEVICE IBM ULT3583-TL

target 14 0/7/0/1.4 tgt CLAIMED DEVICE

tape 21 0/7/0/1.4.0 atdd CLAIMED DEVICE IBM ULT3580-TD1

target 15 0/7/0/1.5 tgt CLAIMED DEVICE

tape 19 0/7/0/1.5.0 atdd CLAIMED DEVICE IBM ULT3580-TD1

2. The commands to create the device files follow. See the “Command Summary” on

page 70 for the mknod command format or see the scsi_ctl(7) man page.

cd /dev/sctl

/usr/sbin/mknod c7t2l0 c 203 0x072000

/usr/sbin/mknod c7t3l0 c 203 0x073000

This creates the following device files, which you specify to Media Manager during

configuration of the ADIC robotic control and IBM robotic control respectively:

/dev/sctl/c7t2l0

/dev/sctl/c7t3l0

Note It is important to also create the passthru driver device files for tape drives. See

“Configuring Tape Drives” on page 62.

58 NetBackup Media Manager Device Configuration Guide for UNIX, Windows, and Linux

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Seagate ST11200N Technical Information Seite 72