Setting session control parameters (option 1)

The session control parameters affect two distinct features of a CICSPlex® SM session: they determine which CAS you connect to when you sign on to CICSPlex SM, and they control the extended diagnostic mode (XDM).

Note:
Any changes that you make to the session control parameters take effect the next time you connect to a CAS: The panel displayed when you select option 1 (CONTROL) from the profile options panel is shown in Figure 39.
Figure 39. The profile options panel: session control parameters
 -------------------------- SESSION CONTROL PARAMETERS -----------------------
 COMMAND  ===>
 
 Subsystem ID    ===> CAS3      (Co-ordinating Address Space subsystem ID)
 
 Confirm Parms   ===> NO        (Display parameter confirmation panel, Yes/no)
 XDM Mode        ===> NO        (Execute session in diagnostic mode, Yes/No)
 
 Press END to save updates or HELP for more information.
 
Subsystem ID
is the enterprise-defined name of the coordinating address space (CAS) to which you connect when you start a CICSPlex SM session.

In the default user profile, the CAS subsystem ID is "CPSM". You should replace this value with the identifier of the CAS on the MVS™ image from which you are using CICSPlex SM. If you do not know the name of the CAS to which you want to be connected, ask your system administrator for assistance.

When you next select option 1 or 2 from the CICSPlex System Manager entry panel, CICSPlex SM establishes a connection to the CAS, and from the CAS to a CMAS managing the CICSplex that is to be the context of the session. If you decide, during a CICSPlex SM session, that you want to identify a different CAS, you can return to this panel and overtype the CAS subsystem ID. To establish a connection to the new CAS, however, you must end the current CICSPlex SM session by exiting from ISPF and then start a new session.

Confirm parms
controls whether the session control parameters panel is displayed automatically each time you connect to a CAS.
YES
causes the session control parameters panel to be displayed the first time you select option 1 or 2 from a CICSPlex System Manager entry panel in any ISPF session. This allows you to change the subsystem ID and the XDM setting before a CAS connection is established.
NO
prevents the session control parameters panel from being displayed the first time you select option 1 or 2 from a CICSPlex System Manager entry panel in any ISPF session. When Confirm Parms is set to NO, you must explicitly select option 0 (PROFILE) from the CICSPlex System Manager entry panel to change the session control parameters.
XDM Mode
activates and deactivates the XDM (extended diagnostic mode). You should activate XDM only when you are asked to do so by an IBM® Support Representative.
YES
Activates XDM. When diagnostic messages are produced, they are displayed in the affected window and written to the job log.
NO
Deactivates XDM.
XDM is described in the CICSPlex System Manager Problem Determination book.
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