Installation guide

uerf -D [ disk...]
If you do not specify a disk variable, events for all disks are reported. If
you specify more than one
disk variable, separate them with commas. For
example:
# /usr/sbin/uerf −D rz23,rz24
D.1.3 Selecting Mainframe Events
Use the uerf command with the −M option to select events for the specified
mainframe event type. The uerf −M command has the following syntax:
uerf -M
[ mainframe...]
You can specify the following mainframe variables:
Mainframe Events Description
cpu
Reports CPU-related events, such as machine checks.
mem
Reports memory-related events, such as single-bit corrected
read data (CRD) and double-bit uncorrectable errors.
If you do not specify a mainframe variable, all mainframe events are
reported. If you specify more than one
mainframe variable, separate them
with commas. For example:
# /usr/sbin/uerf −M cpu,mem
D.1.4 Selecting Events As They Occur
Use the uerf command with the −n option to report events as they occur.
You can use this option if you run the system exercisers. The uerf −n
command has the following syntax:
uerf -n
You cannot specify the −f option with the −n option.
D.1.5 Selecting Operating System Events
Use the uerf command with the −O option to select operating system
events such as panics, exceptions, and faults. The uerf −O command has
the following syntax:
uerf -O
[ op_system...]
Using the uerf Event Logger D–5