The following identifies the phases of ZONECOPY processing and
the zones and data sets that SMP/E may require for exclusive or shared
use during each phase. For more information about command phases and
data set sharing in SMP/E, see Sharing SMP/E data sets.
- Initialization
- Global zone
- Read without enqueue.
- Target zone
- Read without enqueue.
- DLIB zone
- Read without enqueue.
Note: The target zones or distribution zones accessed
during this phase are the input zone and the receiving zone.
- ZONECOPY processing
- Target zone
- Read with shared enqueue (input zone).
- Target zone
- Update with exclusive enqueue (receiving zone).
- DLIB zone
- Read with shared enqueue (input zone).
- DLIB zone
- Update with exclusive enqueue (receiving zone).
Note: The target or distribution zone specified as
the input zone is opened for read access with a shared enqueue, and
the target or distribution zone specified in the INTO operand is opened
for update access with exclusive enqueue.
- Termination
All resources are freed.