Thank you for your answer! I won't have to modify my script everytime a new user is added. I can simply perform deduplication on / and /home then.
Fred Kite Le 5 août 2025 14:06:32 GMT+02:00, Dan Ritter <[email protected]> a écrit : >[email protected] wrote: >> My family computer has a main Btrfs partition (@ and @home sub-volumes) and >> several users use this computer. I currently use Jdupes to perform the >> deduplication of each user's home folder. >> >> Would it be safe to perform the deduplication with a single command on /home >> instead of each user's folder separately? Will it create problems if the >> same file is found in several home folders but has different ownership and >> permissions? >> > > >If you're using BEES, you don't have a choice: it runs on the >whole filesystem. > >If you're using duperemove, there is a read-only mode where it >tells you what it would do but does not do it. > >Neither one will cause problems because of ownership or >permissions differences -- that metadata will remain intact for >each referenced file. > >You are unlikely to be saving much space overall, unless your >family is in the habit of copying media files back and forth or >something similar. > >-dsr- >

