Guardian User's Guide

Guardian User’s Guide—425266-001
19-1
19
Monitoring Hardware Components
One of your responsibilities as a system operator is to understand how your system is
configured so you can check that the hardware and software associated with it are in
normal operating condition.
As a standard for what is normal in your operating environment, it is helpful to have
copies of:
•
System configuration diagrams of your particular system (see the example in
Figure 19-1). When you monitor the devices and access paths on your system with
the SCF INFO and STATUS commands (explained later in this section), you can
use your own system diagram to determine whether all devices and paths are in their
correct, or “normal,” condition.
•
Listings of devices, paths, and processes generated by the SCF INFO and STATUS
commands (see the example in Listing the Devices on Your System on page 19-4).
•
Listings of devices, paths, and processes generated by the Subsystem Control
Facility (SCF).
•
A spooler configuration listing (see the example in Section 14, Performing Routine
Spooler Operations Using Spoolcom).
This section describes routine system monitoring tasks:
Topic Page
Listing the Devices on Your System 19-4
Determining Device States 19-5
Checking the Status of Peripherals 19-8
Checking the Status of Processors 19-14
Checking the Status of Network Components 19-15
Checking the Status of Pathway 19-25
Checking the Size of Database Files 19-27
Automating System Monitoring 19-28