{ disko.devices = { disk = { installer = { type = "disk"; device = "/dev/disk/by-id/ata-WDC_WD10SPZX-22Z10T0_WD-WXL1A87JL6DC"; content = { type = "gpt"; partitions = { boot = { size = "1M"; type = "EF02"; # for grub MBR }; ESP = { size = "512M"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; mountOptions = [ "umask=0077" ]; }; }; root = { size = "100%"; content = { type = "btrfs"; extraArgs = [ "-f" ]; # Override existing partition # Subvolumes must set a mountpoint in order to be mounted, # unless their parent is mounted subvolumes = { # Subvolume name is different from mountpoint "/root" = { mountOptions = [ "compress=zstd" ]; mountpoint = "/"; }; # Subvolume name is the same as the mountpoint "/persistent" = { mountOptions = [ "compress=zstd" ]; mountpoint = "/persistent"; }; # Parent is not mounted so the mountpoint must be set "/nix" = { mountOptions = [ "compress=zstd" "noatime" ]; mountpoint = "/nix"; }; }; mountpoint = "/partition-root"; }; }; }; }; }; }; }; }