Add Gandalf.

flake.nix

@@ -18,7 +18,7 @@
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
 
     # disko - Declarative disk partitioning and formatting using nix
-    disko = { 
+    disko = {
       url = "github:nix-community/disko";
       inputs.nixpkgs.follows = "nixpkgs";
     };
@@ -225,6 +225,23 @@
               { home-manager.users.jahanson = ./nixos/home/jahanson/server.nix; }
             ];
           };
+
+          "gandalf" = mkNixosConfig {
+            # X9DRi-LN4+/X9DR3-LN4+ - Intel(R) Xeon(R) CPU E5-2650 v2
+            # NAS
+            hostname = "telperion";
+            system = "x86_64-linux";
+            hardwareModules = [
+              ./nixos/profiles/hw-supermicro.nix
+              disko.nixosModules.disko
+              (import ./nixos/profiles/disko-nixos.nix { disks = [ "/dev/sda/dev/disk/by-id/ata-Seagate_IronWolfPro_ZA240NX10001-2ZH100_7TF002RA" ]; })
+              lix-module.nixosModules.default
+            ];
+            profileModules = [
+              ./nixos/profiles/role-server.nix
+              { home-manager.users.jahanson = ./nixos/home/jahanson/server.nix; }
+            ];
+          };
         };
 
       # Convenience output that aggregates the outputs for home, nixos.

nixos/hosts/gandalf/default.nix

@@ -0,0 +1,70 @@
+# 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, modulesPath, ... }:
+
+{
+  imports =
+    [
+      (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot = {
+    initrd.availableKernelModules = [ "ehci_pci" "ahci" "mpt3sas" "isci" "usbhid" "usb_storage" "sd_mod" ];
+    initrd.kernelModules = [ ];
+    kernelModules = [ "kvm-intel" "vfio" "vfio_iommu_type1" "vfio_pci" "vfio_virqfd" ];
+    extraModulePackages = [ ];
+    kernelParams = [ "iommu=pt" "intel_iommu=on" ];
+  };
+  
+  # Network settings
+  networking = {
+    hostName = "gandalf"; 
+    hostId = "e2fc95cd";
+    useDHCP = false; # needed for bridge
+    networkmanager.enable = true;
+    # TODO: Add ports specifically.
+    firewall.enable = false;
+    interfaces = {
+      "enp130s0f0".useDHCP = true;
+      "enp130s0f1".useDHCP = true;
+    };
+
+    # For VMs
+    bridges = {
+      "br0" = {
+        interfaces = [ "enp130s0f1" ];
+      };
+    };
+  };
+
+  fileSystems."/" = {
+    device = "zroot/root";
+    fsType = "zfs";
+  };
+
+  fileSystems."/nix" = {
+    device = "zroot/nix";
+    fsType = "zfs";
+  };
+
+  fileSystems."/var" = {
+    device = "zroot/var";
+    fsType = "zfs";
+  };
+
+  fileSystems."/home" = {
+    device = "zroot/home";
+    fsType = "zfs";
+  };
+
+  swapDevices = [ ];
+
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  # System settings and services.
+  mySystem = {
+    purpose = "Production";
+    system.motd.networkInterfaces = [ "enp130s0f0" "enp130s0f1" ];
+  };
+}

nixos/profiles/hw-supermicro.nix

@@ -0,0 +1,15 @@
+{ lib, pkgs, ... }:
+with lib;
+{
+  boot = {
+    # for managing/mounting nfs
+    supportedFilesystems = [ "nfs" ];
+
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+    };
+  };
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}