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Configuring Robotic Controls

4. Display the device files by issuing the 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 00-01-3,1 VERITAS Media Changer

For this example, the device file to use for the TSD SCSI robotic control connected at

controller 1 with SCSI ID 3 and logical unit number 1 would be:

/dev/ovpass0

Example 3

Assume the robot and drives are connected to a SCSI adapter and the passthru driver has

been installed. Assume the drives are at SCSI ID's 4 and 5, and the robotics is at SCSI ID 6.

1. Determine the correct scsi controller.

lsdev -C | grep scsi

scsi0 Available 00-02 SCSI I/O Controller

ascsi0 Available 00-04 Wide SCSI I/O Controller Adapter

vscsi0 Available 00-04-0,0 SCSI I/O Controller Protocol Device

vscsi1 Available 00-04-0,1 SCSI I/O Controller Protocol Device

lsdev -C -c tape

rmt2 Available 00-04-01-4,0 Other SCSI Tape Drive

rmt3 Available 00-04-01-5,0 Other SCSI Tape Drive

2. The drives are on Adapter 00-04-01. Therefore, vscsi1 is the correct adapter for

making the ovpass device file as follows:

mkdev -c media_changer -t ovpass -s scsi -p vscsi1 -w 6,0

Note Never use the scsi adapter name.

Example 4 (IBM 3570 B-series Robotic Libraries)

If there is one drive in the robotic library, the robotic control is LUN 1 of the drive's SCSI

ID. If there are two drives, the robotic control is LUN 1 of the Drive 1 SCSI ID. The SCSI

IDs can be set or viewed using the front panel on the robot. The robotic control for the

IBM 3570 B01/B02 is TLD, so if there are two drives they may be connected to different

host systems.

Chapter 3, IBM AIX 37

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Seagate ST11200N Technical Information Seite 51