{ ... }: { disko.devices = { nodev = { "/" = { fsType = "tmpfs"; mountOptions = [ "defaults" "mode=755" "nosuid" "nodev" ]; }; }; disk = { main = { type = "disk"; content = { type = "gpt"; partitions = { boot = { type = "EF02"; label = "BOOT"; start = "0"; end = "+1M"; }; root = { label = "ROOT"; end = "-0"; content = { type = "btrfs"; extraArgs = [ "-f" ]; subvolumes = { "/boot" = { mountpoint = "/boot"; mountOptions = [ "compress=zstd" ]; }; "/nix" = { mountpoint = "/nix"; mountOptions = [ "compress=zstd" ]; }; "/persist" = { mountpoint = "/persist"; mountOptions = [ "compress=zstd" ]; }; }; }; }; }; }; }; }; }; fileSystems."/persist".neededForBoot = true; }