TS/MP System Management Manual (G06.24+, H06.03+)

NonStop TS/MP System Management Manual—541819-001
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Starting and Stopping a PATHMON
Environment
Steps to Starting and Configuring a PATHMON
Environment
This section describes how to start, restart, and shut down a PATHMON environment.
Before you actually start a PATHMON environment, you start the PATHMON process.
Multiple PATHMON environments can run on a given node; however, each PATHMON
environment includes only one PATHMON process. The PATHMON process enforces
the limits you set for the environment and monitors the operation of all objects (for
example, SERVER objects) under its control. Note that although this section gives an
overview of the steps involved in setting limits for the environment, for complete
instructions on configuring your PATHMON environment, see Section 3, Configuring
Objects in a PATHMON Environment.
After you start the PATHMON process, you start PATHCOM, the interactive interface
that enables you to communicate with the PATHMON process. Now you are ready to
enter the commands that define the limits for your PATHMON environment. At system
startup, the PATHMON process uses these limits to create the PATHMON
configuration file.
How the PATHMON Process Builds the Configuration File
The PATHMON configuration file, whose default name is PATHCTL, stores
configuration information about your Pathway environment. Configuration information
is all the data about environment limits and object attributes that is stored as a result of
the SET, ADD, ALTER, DELETE, CMDCWD, CMDVOL, or CONTROL commands.
When you start a new system, the PATHMON process creates the PATHCTL file using
the limits that you specify in the SET PATHWAY commands prior to startup. The
PATHMON process reserves enough disk space to store configuration definitions for
all objects. For example, if you specify a maximum of five server classes, the
PATHMON process builds the configuration file with space for five server class
configurations.
When you define and add objects to your PATHMON environment, the PATHMON
process fills in the appropriate areas in the PATHMON configuration file with the object
definitions. During system operation, the PATHMON process updates its configuration
file as object definitions are added, altered, or deleted. Whenever you cool start a
Note. The PATHMON environment includes the PATHMON process and the objects it
controls: SERVER objects and−if your environment includes Pathway/iTS−TCPs, TERM
objects, and, PROGRAM objects.