For resource monitoring to occur for a particular CICS® system, you must:
- Associate a monitor specification with the CICS system, using the Monitor specifications view. To open this view from the WUI main menu,
click Administration views-->Monitor administration
views-->Monitor specifications. Alternatively you can use the EUI
MONSPEC view, as described in topic Adding a scope to a monitor specification.
- Activate resource monitoring for the CICS system. There are two ways you can do this:
- Use the CICS system definition WUI view (click Administration views-->Topology administration views-->Monitor
specifications-->CICS system definitions) or the EUI view CICSSYS
to change the CICS system definition in the data repository.
- Use the Runtime MAS display WUI view (click CICSPlex SM operations views-->Status of MASs known to CICSplex), or the EUI view MAS to temporarily activate resource monitoring for an active CICS system.
- Set the resource sample interval greater than 0. (The sample interval
can be set from the associated monitor specification or from the CICS system definition.)

Monitor definitions that are associated with a monitor specification
via monitor groups are automatically installed when that CICS system starts. As
long as the CICS system remains active, additional monitor definitions can be manually
installed in the CICS system.
Installed monitor definitions become active:
- At the time designated by the associated period definition.
- Immediately, when no period definition is associated with the definition,
or if the CICS system is activated during the defined time period.
Monitor definitions remain active as long as the CICS system is
running, until you discard them, or until the end of the time designated by
the period definition is reached. To determine the current status of installed
monitor definitions, you can use the Active monitor specifications WUI view (click Monitoring views-->Active monitor
specifications or the EUI MONACTV view, as indicated in Table 5.
Once resource monitoring is active, any changes you make to monitor definitions are
noted in the data repository. To apply these changes to an active CICS system, you must manually
install or discard the definitions.
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