76 Linux for IBM System z9 and IBM zSeries
The comments in the file describe each variable’s usage. Normally, only the
device addresses and the optional port name need to be changed. Most systems
do not need a port name specified. See “OSA port names” on page 74 to see if
your system requires one.
Additional variables that are allowed in the hwcfg file are described in the sample
file /etc/sysconfig/hardware/skel/hwcfg-qeth. For example, other options for the
qeth driver can be specified in a variable named QETH_OPTIONS. If a new
hardware configuration file is created for an existing adapter, activate it with the
hwup command. For example, the command to activate the hardware
configuration file shown in Example 4-8 is hwup qeth-bus-ccw-0.0.0300 ...