basic nas configuration

devices/nas.nix

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+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [  ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "NIX_CONV_POOL/root";
+      fsType = "zfs";
+    };
+
+  fileSystems."/nix" =
+    { device = "NIX_CONV_POOL/nix";
+      fsType = "zfs";
+    };
+
+  fileSystems."/var" =
+    { device = "NIX_CONV_POOL/var";
+      fsType = "zfs";
+    };
+
+  fileSystems."/home" =
+    { device = "NIX_CONV_POOL/home";
+      fsType = "zfs";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/334B-15CD";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  #swapDevices =
+  #  [ { device = "/dev/disk/by-uuid/b3e53298-fdcf-41c5-b80b-6f1ef1dceeae"; }
+  #  ];
+
+  networking.hostName = "nix-nas"; # Define your hostname.
+  networking.hostId = "00000003";
+  # Pick only one of the below networking options.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp4s0f3u1u4u1.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp2s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
+}