{ ... }: { fileSystems = { "/storage/cold_1" = { device = "/dev/storage/cold_1"; fsType = "ext4"; options = [ "noatime" "nofail" ]; }; "/storage/cold_2" = { device = "/dev/storage/cold_2"; fsType = "ext4"; options = [ "noatime" "nofail" ]; }; "/storage/hot" = { device = "/dev/storage/hot"; fsType = "ext4"; options = [ "noatime" "nofail" ]; }; }; # swapDevices = [{ # device = "/storage/hot/.swapfile"; # size = 128 * 1024; # options = [ "nofail" ]; # }]; }