The ZONEMERGE command

The ZONEMERGE command can be used to:

Copy one zone to another (that is, merge an existing zone into a null zone). For example, you can use ZONEMERGE to:
- Copy a distribution zone to a new target zone after a full system generation.
- Prime a new distribution zone or target zone with data from an existing distribution zone or target zone before you build a new system.
Merge two existing zones together.
This function of ZONEMERGE should be used with caution. It should be used only to merge two zones that have absolutely no intersections (such as no common modules, macros, source, load modules, or SYSMODs). For further cautions on using ZONEMERGE to merge zones, see Usage notes.

Note:

The zones processed by the ZONEMERGE command can either be in the same CSI data set or in different ones.
The ZONEMERGE command is the only method you should use to merge zones within the same CSI data set.
Do not use the access method services REPRO command to merge CSI data sets.
Each CSI data set contains special records that record the names of the zones within that CSI, and an encoded value for that name. That encoded value is stored in each of the records in the CSI associated with that zone. Multiple CSI data sets can have the same encoded value for different zones. When ZONEMERGE is used to merge zones of a CSI, SMP/E can resolve the encoded names and assign new values to the data in each record. When access method services REPRO is used, however, the data is merged together; the result is an unusable CSI data set.
ZONEMERGE merges data only in CSI data sets. It does not affect the target or distribution libraries. After using the ZONEMERGE command, therefore, you must ensure that the target library or the distribution library is coordinated with the resulting target or distribution zone.