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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:
1 At 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