Avg disk space used dropped with 60-70%

The issue with the missing reports from US1 (June 6-8) and SLC (June 10) is still here, so likely no uncollected garbage, unless you also have errors in the logs related to a garbage collection filewalker.
Do you also have an issue with a discrepancy between the piechart on the dashboard and what’s actually used on the disk? If answer is “yes”, then please check: