diff --git a/disco.nix b/disco.nix
deleted file mode 100644
index c5ccae5..0000000
--- a/disco.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{ disks ? [ "/dev/nvme0n1" ], ... }:
-
-{
-  disk = {
-    device = builtins.elemAt disks 0;
-    type = "disk";
-    content = {
-      type = "gpt";
-      partitions = [
-        { name = "ESP";  type = "EF00"; size = "512M"; content.type = "filesystem";
-          content.format = "fat32"; mountpoint = "/boot"; }
-        { name = "rpool"; type = "BE00"; size = "60G";
-          content.type = "zfs";  content.pool = "rpool"; }
-        { name = "tank";  type = "BE00";
-          content.type = "zfs";  content.pool = "tank"; }
-      ];
-    };
-  };
-
-  zpool = {
-    rpool = {  datasets = { root = { mountpoint = "/"; }; }; };
-    tank  = {  datasets = { media = { mountpoint = "/tank"; }; }; };
-  };
-}
-
diff --git a/disko.nix b/disko.nix
new file mode 100644
index 0000000..eb96ccd
--- /dev/null
+++ b/disko.nix
@@ -0,0 +1,56 @@
+# disko.nix  – Root-on-ZFS (rpool) + Datenpool (tank)
+{ disks ? [ "/dev/nvme0n1" ], lib, ... }:
+
+{
+  disko.devices = {
+    disk.main = {
+      device = builtins.elemAt disks 0;
+      type   = "disk";
+      content = {
+        type = "gpt";
+        partitions = {
+          ESP = {
+            size = "512M";
+            type = "EF00";
+            content = {
+              type       = "filesystem";
+              format     = "fat32";
+              mountpoint = "/boot";
+            };
+          };
+          rpool = {
+            size = "60G";
+            type = "BE00";
+            content = {
+              type = "zfs";
+              pool = "rpool";
+            };
+          };
+          tank = {
+            type = "BE00";
+            content = {
+              type = "zfs";
+              pool = "tank";
+            };
+          };
+        };
+      };
+    };
+
+    zpool.rpool = {
+      datasets = {
+        root = { mountpoint = "/"; };
+        nix  = { mountpoint = "/nix"; };
+        home = { mountpoint = "/home"; };
+      };
+      rootFs = "root";
+    };
+
+    zpool.tank = {
+      datasets = {
+        media = { mountpoint = "/tank"; };
+      };
+    };
+  };
+}
+
diff --git a/flake.nix b/flake.nix
index a2f9853..c54c9d6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
       modules = [
         ./hardware/hardware-configuration.nix                        # generiertes hardware-configuration.nix
         ./configuration.nix               # deine eigentliche Config
-        ./disco.nix                       # disco partitionierung
+        ./disko.nix                       # disko partitionierung
         nixos-hardware.nixosModules.common-pc-ssd
       ];
     };