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Configuring Robotic Controls

The output shows that the device files exist for tape and disk, but not for the SCSI

robotic control at controller 1 (scsi0) and SCSI ID 5 (5,0).

hdisk0 Available 00-01-00-0,0 400 MB SCSI Disk Drive

rmt0 Available 00-01-00-3,0 Other SCSI Tape Drive

3. Create the device files by using the following command:

mkdev -c media_changer -t ovpass -s scsi -p scsi0 -w 5,0

4. Display the device files by issuing the following lsdev command:

/usr/sbin/lsdev -C -s scsi

hdisk0 Available 00-01-00-0,0 400 MB SCSI Disk Drive

hdisk1 Available 00-01-00-1,0 400 MB SCSI Disk Drive

rmt0 Available 00-01-00-3,0 Other SCSI Tape Drive

ovpass0 Available 00-01-5,0 VERITAS Media Changer

For this example use the following device file path to configure the SCSI robotic

control connected to controller 1 and SCSI ID 5:

/dev/ovpass0

Example 2

For this example, assume this robot is a LUN 1 controlled robot, rather than LUN 0. The

ovpass driver has been installed, but the device files for SCSI robotic control at controller

1 with SCSI ID 3 and logical unit number 1 do not exist.

1. Determine the logical identifier for the SCSI controller:

/usr/sbin/lsdev -C -c adapter | grep -i SCSI

The following output shows that scsi0 is the logical name for SCSI controller 1:

scsi0 Available 00-01 SCSI I/O Controller

2. Check if the device files exist for ovpass at SCSI ID 5.

/usr/sbin/lsdev -C -s scsi

The following output shows that the device files exist for tape and disk, but not for the

SCSI robotic control at controller 1 (scsi0), SCSI ID 3, and logical unit number 1 (3,1):

hdisk0 Available 00-01-00-0,0 400 MB SCSI Disk Drive

rmt0 Available 00-01-00-3,0 Other SCSI Tape Drive

3. The device files can now be created using the following command:

mkdev -c media_changer -t ovpass -s scsi -p scsi0 -w 3,1

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

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Seagate ST11200N Technical Information Seite 50