The following identifies the phases of BUILDMCS 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.

   DLIB zone

   Read without enqueue.

2. BUILDMCS processing

   Target zone

   Update with shared enqueue.

   DLIB zone

   Update with shared enqueue.

   Note: The zones used depend on the zone type specified on the previous SET command.
3. Termination

   All resources are freed.