... >The process is completing successfully, but as you can see no DB backup >volumes or recovery plans are expired. I have an admin schedule that >has the following command in it: delete volhistory todate=today-30 >type=all, which I do not think would affect the expiration of DB and >recovery plan process since it is set for 30-days.
You're meddling with DRM. DRM is a regimen of its own. Let it be. See Admin Ref manual, doc. of the DELete VOLHistory command, Note 5.