Diagnosing problems with the PAV option

The following SMS messages indicate that volumes are rejected or not used because they do not allow the PAV requirement:
ISMF issues the following new message if an invalid value is entered for the PAV option on the Storage Class Define/Alter panel:

For more information about these error messages, refer to z/OS MVS System Messages, Vol 4 (CBD-DMO) and z/OS MVS System Messages, Vol 8 (IEF-IGD).