David Christensen <dpchr...@holgerdanske.com> wrote: > On 2/18/24 19:20, Keith Bainbridge wrote: > > I am convinced that the missing space is used by btrfs snapshot > > process. > > > Perhaps. But, are you re-balancing your btrfs file systems regularly? > > https://manpages.debian.org/bookworm/btrfs-progs/btrfs-balance.8.en.html
But does balancing a btrfs system actually recover any space? I think not. It's eternally moving the deckchairs on the Titanic. (though with a more useful purpose) I'd recommend installing snapper if you haven't already. https://wiki.archlinux.org/title/Snapper is helpful for using it.
