The following identifies the phases of ZONEDELETE 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.

1. Initialization

   Global zone

   Read without enqueue.

   Target zone

   Read without enqueue.

   DLIB zone

   Read without enqueue.

   Note: Either the target zone or the distribution zone is accessed, according to the zone type specified in the previous SET command.
2. Delete zone records

   Target zone

   Update with exclusive enqueue.

   DLIB zone

   Update with exclusive enqueue.

   Note: Either the target zone or the distribution zone is accessed, according to the zone type specified in the previous SET command.
3. Delete zone index entry

   Global zone

   Update with exclusive enqueue.

4. Termination

   All resources are freed.