DUPDEFS start option


   .-DUPDEFS--=--ALL-------.   
>>-+-----------------------+-----------------------------------><
   '-DUPDEFS--=--+-ALL---+-'   
                 +-NONE--+     
                 +-APPL--+     
                 '-DEPLU-'

Specifies whether VTAM® should continue searching for the target resource when the resource has been found, but is not active. The search is continued, because it may find a duplicate active definition for the resource. This start option should be set on the VTAM that owns the resource or on the VTAM acting as interchange node for resources located in subarea. You can change the value of DUPDEFS with the MODIFY VTAMOPTS command while VTAM is running.

DUPDEFS=ALL: Specifies that resources may be defined on more than one node in the network. If this node receives a search for a resource that is not active, VTAM should continue searching for the resource because an active instance may reside somewhere else in the network.
Tip: There is no support to continue a subarea search for an application. An application is always a subarea resource. If a session request is initiated from the host where an APPL is defined, and if the APPL definition is not in an ACTIV state (for example: CONCT, NEVAC, or INACT), then that session request will fail with a sense code that indicates that the PLU or the SLU is not active.
DUPDEFS=NONE: Specifies that VTAM should not continue searching for a resource when it is found but not active. This value would be coded if there are not duplicate definitions in the network.
DUPDEFS=APPL: Specifies that applications may be defined on more than one node in the network. If this node receives a search for an application that is not active, VTAM should continue searching for the application because an active instance may reside somewhere else in the network.
Tip: There is no support to continue a subarea search for an application. An application is always a subarea resource. If a session request is initiated from the host where an APPL is defined, and if the APPL definition is not in an ACTIV state (for example: CONCT, NEVAC, or INACT), then that session request will fail with a sense code that indicates that the PLU or the SLU is not active.
DUPDEFS=DEPLU: Specifies that dependent LUs may be defined on more than one node in the network. If this node receives a search for a dependent LU that is not active, VTAM should continue searching for the dependent LU because an active instance may reside somewhere else in the network.