SCSI Connections

Assigning SCSI Device IDs

Assigning SCSI Device IDs

Before assigning a SCSI device ID to your drive, you need to check your existing SCSI device IDs. To determine which SCSI device IDs are available for your device, use the ioscan command in a terminal window:

1At a command line prompt, enter the following:

/usr/sbin/ioscan -f

After a few moments, the ioscan utility lists all of the SCSI I/O devices it could find. The list appears similar to the following:

Class

I

H/W Path

Driver

S/W State

H/W Type

Description

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

bc

0

 

root

CLAIMED

BUS_

NEXUS

 

bc

1

8

ccio

CLAIMED

BUS_NEXUS

I/O Adapter

ext_bus

0

8/12

c720

CLAIMED

INTERFACE

GSC built-in Fast/Wide SCSI

target

0

8/12.0

tgt

CLAIMED

DEVICE

 

 

disk

3

8/12.0.0

sdisk

CLAIMED

DEVICE

QUANTUM

LPS1080WD

target

1

8/12.5

tgt

CLAIMED

DEVICE

 

 

disk

2

8/12.5.0

sdisk

CLAIMED

DEVICE

DEC

DSP3210SW

target

2

8/12.6

tgt

CLAIMED

DEVICE

 

 

disk

0

8/12.6.0

sdisk

CLAIMED

DEVICE

DEC

DSP3210SW

ba

0

8/16

bus_adapter

CLAIMED

BUS_NEXUS

Core I/O

Adapter

ext_bus

2

8/16/0

CentIf

CLAIMED

INTERFACE

Built-in

Parallel Interface

audio

0

8/16/1

audio

CLAIMED

INTERFACE

Built-in

Audio

tty

0

8/16/4

asio0

CLAIMED

INTERFACE

Built-in

RS-232C

ext_bus

1

8/16/5

c700

CLAIMED

INTERFACE

Built-in

SCSI

target

3

8/16/5.2

tgt

CLAIMED

DEVICE

 

 

disk

1

8/16/5.2.0

sdisk

CLAIMED

DEVICE

TOSHIBA CD-ROM XM-4101TA

target

4

8/16/5.3

tgt

CLAIMED

DEVICE

 

 

tape

0

8/16/5.3.0

stape

CLAIMED

DEVICE

HP

HP35480A

target

5

8/16/5.4

tgt

CLAIMED

DEVICE

 

 

disk

10

8/16/5.4.0

sdisk

CLAIMED

DEVICE

SEAGATE ST3600N

target

6

8/16/5.6

tgt

CLAIMED

DEVICE

 

 

disk

5

8/16/5.6.0

sdisk

CLAIMED

DEVICE

MICROP

2112

lan

0

8/16/6

lan2

CLAIMED

INTERFACE

Built-in

LAN

ps2

0

8/16/7

ps2

CLAIMED

INTERFACE

Built-in

Keyboard/Mouse

bc

2

10

ccio

CLAIMED

BUS_NEXUS

I/O Adapter

ext_bus

3

10/12

c720

CLAIMED

INTERFACE

GSC add on Fast/Wide SCSI

target

7

10/12.4

tgt

CLAIMED

DEVICE

 

 

disk

6

10/12.4.0

sdisk

CLAIMED

DEVICE

SEAGATE ST31200W

graphics

2

10/16

graph3

CLAIMED

INTERFACE

Graphics

 

ba

1

10/20

bus_adapter

CLAIMED

BUS_NEXUS

Core I/O

Adapter

hil

0

10/20/1

hil

CLAIMED

INTERFACE

Built-in

HIL

tty

1

10/20/2

asio0

CLAIMED

INTERFACE

Built-in

RS-232C

ba

2

10/20/5

eisa

CLAIMED

BUS_NEXUS

EISA Bus

Adapter

ext_bus

4

10/20/5/3

hshpib

CLAIMED

INTERFACE

EISA card HWP0C70

target

8

10/20/5/3.0

tgt

CLAIMED

DEVICE

 

 

target

9

10/20/5/3.1

tgt

CLAIMED

DEVICE

 

 

target

10

10/20/5/3.2

tgt

CLAIMED

DEVICE

 

 

processor 0

32

processor

CLAIMED

PROCESSOR

Processor

memory

0

49

memory

CLAIMED

MEMORY

Memory

 

167

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Compaq C240, C180, C200, C360, C160 manual Assigning Scsi Device IDs, Usr/sbin/ioscan -f