finally zfs is working

configuration.nix

@@ -1,27 +1,20 @@
-{ pkgs
-, inputs
-, modulesPath
-, lib
-, ...
+{
+  pkgs,
+  inputs,
+  modulesPath,
+  lib,
+  ...
 }: {
   imports = [
-    (modulesPath + "/profiles/qemu-guest.nix") # Temporary
   ];
 
-  networking.useDHCP = lib.mkDefault true;
-  nixpkgs.hostPlatform = "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = true;
-
   boot.loader = {
     systemd-boot.enable = true;
     efi.canTouchEfiVariables = true;
     timeout = 0;
   };
 
-  # boot.zfs.extraPools = [ "zraid" ];
-
-  boot.supportedFilesystems = [ "zfs" ];
-  boot.zfs.forceImportRoot = false;
+  boot.zfs.devNodes = "/dev/disk/by-path";
 
   nix.settings.experimental-features = ["nix-command" "flakes"];
   nix.gc = {
@@ -61,15 +54,13 @@
     shell = pkgs.zsh;
   };
 
-  users.users."nixos" =
-    {
+  users.users."nixos" = {
     isNormalUser = true;
     initialPassword = "1234";
     extraGroups = ["wheel"];
   };
 
-  users.users.root =
-    {
+  users.users.root = {
     initialPassword = "1234";
   };
 
@@ -112,12 +103,14 @@
   services.openssh = {
     enable = true;
     settings = {
-      PasswordAuthentication = true;
-      KbdInteractiveAuthentication = true;
+      PasswordAuthentication = false;
+      KbdInteractiveAuthentication = false;
       AllowUsers = null;
       PermitRootLogin = "no";
     };
   };
 
+  nix.settings.trusted-users = ["@wheel"];
+
   system.stateVersion = "24.11";
 }

disko.nix

@@ -1,8 +1,8 @@
-{
-  lib,
-  root-disk ? "Expected a mf disk brother",
-  raid-disks ? "Expected disks for raid",
-  ...
+{ lib
+, root-disk ? throw "Expected a mf disk brother"
+, raid-disks ? []
+, swap-size ? -1
+, ...
 }: {
   disko.devices = {
     disk =
@@ -23,12 +23,19 @@
                   mountOptions = [ "umask=0077" ];
                 };
               };
+              swap = lib.mkIf (swap-size != -1) {
+                size = swap-size;
+                content = {
+                  type = "swap";
+                  discardPolicy = "both";
+                  resumeDevice = true;
+                };
+              };
               root = {
                 size = "100%";
                 content = {
-                  type = "filesystem";
-                  format = "ext4";
-                  mountpoint = "/";
+                  type = "zfs";
+                  pool = "zroot";
                 };
               };
             };
@@ -55,6 +62,7 @@
         #   };
         # };
       }
+      # Import all disks into raid named "raid5"
       // lib.attrsets.genAttrs raid-disks (name: {
         type = "disk";
         device = "/dev/" + name;
@@ -65,29 +73,54 @@
               size = "100%";
               content = {
                 type = "zfs";
-                pool = "storage";
+                pool = "raid5";
               };
             };
           };
         };
       });
 
-    zpool = lib.mkIf (builtins.length raid-disks > 0) {
-      storage = {
+    zpool = {
+      zroot = {
+        type = "zpool";
+        rootFsOptions.mountpoint = "none";
+
+        datasets = {
+          root = {
+            type = "zfs_fs";
+            mountpoint = "/";
+          };
+
+          "nix/store" = {
+            type = "zfs_fs";
+            mountpoint = "/nix/store";
+          };
+        };
+      };
+
+      raid5 = lib.mkIf (builtins.length raid-disks > 0) {
         type = "zpool";
         mode = "raidz";
-        # TODO: Cache-ing
-        # rootFsOptions = {
-        #   compression = "zstd";
-        #   "com.sun:auto-snapshot" = "false";
-        # };
 
-        mountpoint = "/storage";
+        rootFsOptions.compression = "zstd";
+        rootFsOptions.mountpoint = "none";
 
         datasets = {
           var = {
             type = "zfs_fs";
-            mountpoint = "/storage/var";
+            mountpoint = "/var";
+          };
+          home = {
+            type = "zfs_fs";
+            mountpoint = "/home";
+          };
+          src = {
+            type = "zfs_fs";
+            mountpoint = "/srv";
+          };
+          opt = {
+            type = "zfs_fs";
+            mountpoint = "/opt";
           };
         };
       };

flake.nix

@@ -26,12 +26,13 @@
     formatter.${system} = pkgs.alejandra;
 
     nixosConfigurations = {
-      server = nixpkgs.lib.nixosSystem {
+      server-vm = nixpkgs.lib.nixosSystem {
         specialArgs = {inherit inputs;};
         modules = [
           inputs.disko.nixosModules.default
           (import ./disko.nix {
             lib = pkgs.lib;
+            swap-size = "16G";
             root-disk = "/dev/vda";
             raid-disks = [
               "vdb"
@@ -41,9 +42,33 @@
           })
           inputs.home-manager.nixosModules.default
 
+          ./vm-hardware-configuration.nix
           ./configuration.nix
         ];
       };
+
+      server = nixpkgs.lib.nixosSystem {
+        specialArgs = {inherit inputs;};
+        modules = [
+          inputs.disko.nixosModules.default
+          (import ./disko.nix {
+            lib = pkgs.lib;
+            swap-size = "128G";
+            root-disk = "/dev/nvme0n1";
+            raid-disks = [
+              "sda"
+              "sdb"
+              "sdc"
+              "sdd"
+            ];
+          })
+          inputs.home-manager.nixosModules.default
+
+          ./hardware-configuration.nix
+          ./configuration.nix
+        ];
+      };
+
     };
   };
 }

vm-hardware-configuration.nix

@@ -0,0 +1,20 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  boot.initrd.availableKernelModules = ["ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "virtio_blk"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm_amd"];
+  boot.extraModulePackages = [];
+
+  networking.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}