Version 4.2.6 for Mainframes
 —  Parameter Reference  —

BPPROP - Global Buffer Pool Propagation

This Natural profile parameter only applies under z/OS and BS2000/OSD.

It controls the propagation of changes to an object in a buffer pool. If a modification occurs affecting a Natural object residing in one (global or local) buffer pool, this modification can be propagated to other global buffer pools - this will ensure the consistency of the buffer pools.

Possible settings OFF

Changes are not propagated to any other global buffer pool.

Note for z/OS: Any setting other than OFF requires that the Authorized Services Manager is active.

GLOBAL

Changes are propagated to all other global buffer pools.

In a z/OS Parallel Sysplex environment: The changes are only propagated within the current z/OS image. (*)

PLEX Changes are propagated to all other global buffer pools of the same name within the entire z/OS Parallel Sysplex environment. (*)
GPLEX

Changes are propagated to all other global buffer pools within the entire z/OS Parallel Sysplex environment. (*)

Note for BS2000/OSD: The setting GPLEX has the same effect as GLOBAL.

Default setting OFF  
Dynamic specification yes  
Specification within session no  

* Under z/OS: The propagation is always restricted to the Natural subsystem in which the change has occurred; that is, the scope of the propagation, as set with the BPPROP parameter, applies only within that subsystem, but not to other subsystems. For details, see Natural Subsystem in the Operations documentation.

For further information on the propagation, see Natural Global Buffer Pool in the Operations documentation.

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