{ disko.devices.disk.main = { type = "disk"; device = "/dev/disk/by-id/ata-WD_Green_M.2_2280_480GB_2251E6411147"; content = { type = "gpt"; partitions = { ESP = { priority = 1; name = "ESP"; start = "1M"; end = "512M"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; mountOptions = [ "umask=0077" ]; }; }; root = { end = "-4G"; content = { type = "btrfs"; extraArgs = [ "-L" "nixos" "-f" # Override existing partition ]; subvolumes = { "/root" = { mountpoint = "/"; mountOptions = [ "subvol=root" "compress=zstd" "noatime" ]; }; "/home" = { mountpoint = "/home"; mountOptions = [ "subvol=home" "compress=zstd" "noatime" ]; }; "/nix" = { mountpoint = "/nix"; mountOptions = [ "subvol=nix" "compress=zstd" "noatime" ]; }; "/persist" = { mountpoint = "/persist"; mountOptions = [ "subvol=persist" "compress=zstd" "noatime" ]; }; "/log" = { mountpoint = "/var/log"; mountOptions = [ "subvol=log" "compress=zstd" "noatime" ]; }; }; }; }; swap = { size = "100%"; content = { type = "swap"; }; }; }; }; }; fileSystems."/persist".neededForBoot = true; fileSystems."/var/log".neededForBoot = true; }