OSIEVENT start option


   .-OSIEVENT--=--PATTERNS-----.   
>>-+---------------------------+-------------------------------><
   '-OSIEVENT--=--+-ALL------+-'   
                  +-NONE-----+     
                  '-PATTERNS-'

Specifies whether VTAM® topology notifications are generated for CMIP events. CMIP services generates and processes a great number of status notifications from resources even though only a small percentage of the notifications are needed by a manager application program.

The OSIEVENT start option lets you adjust the number of events reported, according to the requirements of the manager application programs. For details on how you specify the requirements of manager application programs and how they send requests to CMIP services, see z/OS Communications Server: CMIP Services and Topology Agent Guide.

You can change the value of OSIEVENT with the MODIFY VTAMOPTS command while VTAM is running. If you have coded OSIMGMT=YES, you can specify OSIEVENT=NONE or OSIEVENT=ALL with the command. If you have coded OSIMGMT=NO, you can specify any value.

OSIEVENT=ALL

Specifies that the VTAM topology agent generates notifications for all CMIP events. Specify OSIEVENT=ALL only if this VTAM is managed by a CMIP application program that uses filters to collect VTAM topology information but the filters do not match the patterns recognized by CMIP services. These patterns are described under in z/OS Communications Server: CMIP Services and Topology Agent Guide.

With OSIEVENT=ALL, VTAM processes all event reports from network resources in that VTAM, regardless of the reporting flags set by the manager application program for that VTAM. The manager application program sees only the event reports matching the filters it created.

Be aware that specifying OSIEVENT=ALL can affect VTAM performance. However, the OSIEVENT=ALL start option allows the use of filters that do not match the patterns recognized by CMIP services.

OSIEVENT=NONE

Specifies that the VTAM topology agent creates no notifications for CMIP events, regardless of the reporting flags set by the manager application program for that VTAM.

OSIEVENT=PATTERNS

Specifies that the VTAM topology agent creates notifications only if there are active filters that CMIP services recognizes as requesting information for specific resources or classes of resources.

OSIEVENT=PATTERNS allows the use of certain filters that notify VTAM which specific resources, or classes of resources, should be monitored for event reports in that VTAM.

With this value, you can limit CPU cycles and storage use to the minimum needed to process the event reports from the selected resources.