Seagate ST11200N Informações Técnicas descarregar pdf (Página 71)

Configuring Robotic Controls

If the devices do not exist, you can create device files by using the mknod command as

follows. See the scsi_ctl(7) man page.

mkdir /dev/sctl

cd /dev/sctl

/usr/sbin/mknod c

CONTROLLER

TARGET

LUN

c 203 0x

IITL

Where:

◆ CONTROLLER is the Instance number of the controlling bus. The Instance value is

displayed in ioscan -f output under column I of the controller entry (ext_bus in

the Class column).

◆ TARGET is the SCSI ID of the robotic control.

◆ LUN is the SCSI logical unit number.

◆ II are two hexadecimal digits that identify the controlling bus interface card by its

Instance number (same as controller).

◆ T is one hexadecimal digit representing the SCSI ID.

◆ L is one hexadecimal digit representing the SCSI LUN.

Using ioscan With sctl Robots

If the robotic control has its own SCSI ID, it has an entry similar to the following:

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

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

unknown -1 2/0/1.1.0 unknown UNCLAIMED UNKNOWN LAGO SYSLS-340L

The Class, I, and Driver columns may also have invalid information. In these instances

the robotics are correct, but ioscan returns invalid information.

Chapter 4, Hewlett-Packard HP-UX 57

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