UPS Utility Manual

3.5.1 The Status Display
The status display produced by the STATUS command's execution is shown in the above
example and in several
additional examples that follow this explanation of the parts of the status display.
The status display has two main sections, titled UPS MONITOR PROCESS STATUS and UPS DEVICES STATUS.
The
former section gives information about the UPS Monitor Subsystem Process, while the latter gives information
about each
UPS device configured on the system.
The next subsections describe the component parts of the status display, explaining their purposes and meanings.
Refer
to the examples as references while
reading the following subsections, which first describe the parts of UPS MONITOR
PROCESS STATUS and then the parts of UPS DEVICES STATUS.
3.5.2 UPS Monitor Process Status Display
3.5.2.1 UPS Monitor Operating State
This field of the status display shows the current operational state of the UPS Monitor Process.
Possible values of this field are:
o
Starting-Up
- The UPS Monitor Process has been
launched, and is in the process of acquiring the system resources that
it needs in order to run.
o
Running
- The UPS Monitor Process has started-up successfully, and is now running.
o
Shutting-Down
- The UPS Monitor Process is performing its shut-down processing in preparation for process
termination. The UPS Monitor Process shuts down for any of the following reasons: (a) A system shutdown ("Control-
A
shutdown") is occurring.
(b) A user of UPSUTIL has commanded the UPS Monitor to stop operation (via the STOP
command) or to stop and then restart operation (via the RESTART command). (c) The UPS Monitor process has detected
a
serious problem in its operation, and is either shutting-down and restarting to try to
correct the problem, or (in cases of
"fatal error") is just shutting-down.
o
Undefined
- This state value is defined within the UPS Monitor Process, and it represents a "pre-
startup" state in which
even the most basic data structures are not yet initialized. It should not ever be possible to observe this
operating state
through the use of UPSUTIL's STATUS command. The reason for this is: when the UPS
Monitor Process is in this early
"pre-start" state, it is not possible for UPSUTIL to communicate with the UPS Monitor Process, to query it for its status.
3.5.2.2 UPS Monitor Version Number
This field of the status display presents the "version number" of the UPS Monitor Process that is executing. This is
simply a software version identification number, to identify the particular revision of the UPS Monitor software present on
the system.
3.5.2.3 System Power State
The System Power State status field shows the current condition of overall system power as most recently observed by the
UPS Monitor Process.
Page
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UPS Utility
7/18/2008
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