The following are the phases of GENERATE processing and the zones and data sets 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.

1. Initialization

   Global zone

   Read without enqueue.

   Target zone

   Read without enqueue.

2. Processing

   Target zone

   Update with exclusive enqueue.

3. Termination

   All resources are freed.