HP-UX HB v13.00 Ch-07 - Kernel Configuration

HP-UX Handbook – Rev 13.00 Page 6 (of 33)
Chapter 07 Kernel Configuration
October 29, 2013
I/O Statements for Devices
An I/O statement is used to link a device driver in the kernel with a dedicated HW address. This
is necessary for devices that do not use a standard driver (like spt)
An I/O statement has the following syntax:
driver hw_path driver_name
Example:
driver 10/4/8.1.1 spt
Tunable Parameters
This part of the system file holds the settings of the kernel tunables. Tunables that do not appear
in the system file keep their default value. Each line contains two fields. The first field represents
the name of the tunable and the second represents the corresponding value. You can specify the
value either in decimal or hexadecimal. Each line is independent, optional, and written in the
following format:
parameter_name number or formula
Examples:
nstrpty 60
msgmax 32768
maxdsiz 0x10000000
nproc (100*maxusers)
Example of a System File
* Drivers and Subsystems
CentIf
CharDrv
c700
c720
ccio
cdfs
cio_ca0
...
...
tpiso
uipc
vxbase
wsio
* Kernel Device info
dump lvol
driver 10/4/8.1.1 spt