On Mon 08 Feb 2021 at 10:15:22 (+0100), Thomas Schmitt wrote: > Richard Owlett wrote: > > > I am experimenting with custom installs of MATE on Debian 10.7 . > > > [...] > > > I have a default install with / on sda1. > > > The custom install has / on sda2. > > > [...] > > > When running gparted from the first, it reports > > > sda1 used space is 3.85 GB > > > sda2 used space is 2.25 GB > > > When running gparted from the second, it reports > > > sda1 used space is 4.77 GB > > > sda2 used space is 1.80 GB > > Andrei POPESCU wrote: > > Based on the limited information available my best guess is that you are > > looking at different disk drives as the device names can change between > > boots. > > If this turns out to be not the case: > > - Can it be that MATE stores a large amount of data when it gets shut down > and deletes the files after a new startup ? > (The respective active /-filesystem's usage seems to be smaller than > the inactive /-filesystem.)
Well, the most obvious one is /tmp, assuming that it's "real". Booting up will normally clean this. (On occasions, I have had to boot up the other system on my disk to recover files I had accidentally left there.) > - What does "du -s" tell about the mounted filesystems in both situations ? Particularly after having mounted any other filesystems on the disk. Cheers, David.