Have your files write directly to the NEW folder on your new 12T drive. Do not jack with remaning the NEW, STORED etc folders as Sir
@wittaj preaches regularly.
You do not need to use the Stored option as your 12T can handle it all.
Enter 10000 in the "Limit size" box. That's slightly over 80% of your drive capacity but close enough.
Check the "Delete" box and nothing else on that page.
BI will automaticaly delete older files when needed.
Attached are the settings and what the Status Storage will look like when the drive is full. Mine is a 10TB drive
View attachment 178740View attachment 178741