
24 Linux for IBM System z9 and IBM zSeries
Figure 2-6 Using the chccwdev command
These commands perform actions which can be accomplished using sysfs
directly, but are provided as merely for convenience.
2.3.3 Device configuration with sysfs
Linux 2.6 kernel uses sysfs to enable, disable and configure devices. SLES9 and
RHEL4 differ in the methods used to configure devices at system IPL. In this
section, we look at automatic device configuration in both distributions.
2.3.4 SLES9 hardware configuration
SLES9 uses a new scheme to configure devices. At boot time, the system
configures hardware devices based on configuration files found in the
/etc/sysconfig/har ...