Viewing System Configuration with ioscan
1-8 Peripherals Configuration (R1001H) HP-UX version 11.00.01
Figure 1-1. Sample Listing of ioscan
Understanding Hardware Addresses
Each piece of hardware configured to a computer is identified to the HP-UX
operating system through the hardware address (shown in ioscan as H/W Path).
The length of these numerical sequences differs by Continuum system model and
architecture, but every hardware path leads you through the bus structure, starting
from the bus closest to the Continuum system processor and ending at the output
device.
The ioscan -H hardware_path command shows you the sequence of
connection to or from the specified location. For example, in Figure 1-2, the
initiator on the SCSI adapter on a Continuum system has the address of 0/4/0/1.
# ioscan -u
H/W Path Class Description
====================================================
0/0/0 phys_cpus CPU Adapter
0/0/1 phmem MEM Adapter
0/1/0 phys_cpus CPU Adapter
0/1/1 phmem MEM Adapter
0/2/0/0 pcmcia PCMCIA Bridge
0/2/0/0.0 flash FLASH Adapter
0/2/1/0 pseudo LAN Adapter
0/2/2/0 tty Asyn Card
0/3/0/0 pcmcia PCMCIA Bridge
0/3/0/0.0 flash FLASH Adapter
0/3/3/0 tty Asyn Card
1/0 phys_recc RECC Adapter
1/1 phys_recc RECC Adapter
13/0/0 lan Lan Adapter
14/0/0.0.0 disk SEAGATE ST15150W
14/0/0.3.0 disk SEAGATE ST32550W
14/0/1.1.0 disk SEAGATE ST15150W
14/0/1.2.0 disk SEAGATE ST32550W
14/0/3.4.0 tape HP C1557A
15/2/0 tty console
15/2/1 tty tty1
15/2/2 tty tty2
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