The following identifies the phases of ZONERENAME 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 accessed during this phase is the name specified on the TO operand (that is, the new name of the zone). Except for an error condition, this zone should not exist.
2. ZONERENAME processing

   Global zone

   Update with exclusive enqueue.

   Target zone

   Update with exclusive enqueue.

   DLIB zone

   Update with exclusive enqueue.

   Note:

   1. Either the target zone or the distribution zone is accessed, according to the zone type specified in the previous SET command.
   2. The zone accessed in this phase is the zone to be renamed.
3. Termination

   All resources are freed.