Inside the Dsm run the reporting and download the csv in the location of this jar. Git clone on your Dsm, and build the jar with maven in /root. It's true, I could have sorted the duplicate files by 'shared folder' or 'modified time' before deleting, this could be an improvement for later. Group,Shared Folder,File,Size,Modified timeġ,photo,/volume1/photos/album1/1.png,300 Mb, 22:30 The dsm download link should look like : Content of the csv.Finally, you should be in the Disk Usage Report|Duplicate File Candidates report a csv download link should be displayed on the right.Click on the report task, and then click view complete report.Define the frequency and tick generate now.In the storage usage report wizard > type in a name for the report and tick Duplicate file candidates.

From the main menu > click the Storage Analyzer.No body likes to delete the wrong files :) Enabling the duplicate file reporting I added the possibility to do a dry-run (no deletion) before actually running the real deletion.

I created this utility to delete the files duplicate in one go by keeping the first version found because the dsm only allowed to delete each individual file one by one.

Duplicate fixer