4 systems using USS NFS Backstore.
On one system (TDS) when tapes are scratched, they disappear from the NFS backstore.
On the other 3 systems (DEV, UAT, SY3), tapes remain in the NFS Backstore after they are scratched.
This can be a concern as the NFS Backstore is becoming full. What will happen at the end?
Release: ESPVTP99000-12.6-CA-Vtape-Virtual Tape System-Extended Support Basic
The batch job which run the SVTSUTIL scratch processing must have UID=0 (or equivalent authority) in the associated userid OMVS segment to delete the entries in USS directories.