Julien Lepiller writes: > No, it's supposed to be like that. /gnu/store is mounted read-only (on > the guix system) to prevent you from writing to it. Very sorry for the confusion, I forgot that! (and I did not check before) :-( >>> /dev/mapper/secondary on / type btrfs >>> (rw,relatime,ssd,space_cache,subvolid=5,subvol=/) >> >>[...] >> >>> /dev/mapper/secondary on /gnu/store type btrfs >>> (ro,relatime,ssd,space_cache,subvolid=5,subvol=/) ^ Same subvolume as / This is the output from a running Guix system of mine: --8<---------------cut here---------------start------------->8--- /dev/sda5 on / type btrfs (rw,relatime,space_cache,subvolid=5,subvol=/) [...] /dev/sda5 on /gnu/store type btrfs (ro,relatime,space_cache,subvolid=5,subvol=/gnu/store) --8<---------------cut here---------------end--------------->8--- Thanks! Gio' [...] -- Giovanni Biscuolo Xelera IT Infrastructures