diff --git a/nixos/hosts/warsaw-ovh-01/disks.nix b/nixos/hosts/warsaw-ovh-01/disks.nix
index 55726072..b3a2b3e6 100644
--- a/nixos/hosts/warsaw-ovh-01/disks.nix
+++ b/nixos/hosts/warsaw-ovh-01/disks.nix
@@ -1,91 +1,56 @@
+{ lib, ... }:
 {
-  # https://github.com/nix-community/disko/blob/master/example/boot-raid1.nix
-  disko.devices = {
-    disk = {
-      sda = {
-        type = "disk"; 
-        device = "/dev/sda";
-        content = {
-          type = "gpt";
-          partitions = {
-            boot = {
-              size = "1M"; 
-              type = "EF02"; # GRUB MBR
-            };
-            ESP = {
-              size = "500M";
-              type = "EF00";
-              content = {
-                type = "mdraid";
-                name = "boot";
-              };
-            };
-            mdadm = {
-              size = "100%";
-              content = {
-                type = "mdraid";
-                name = "raid1";
-              };
-            };
+  disko.devices.disk = lib.genAttrs [ "a" "b" ] (name: {
+    type = "disk";
+    device = "/dev/sd${name}";
+    content = {
+      type = "gpt";
+      partitions = {
+        boot = {
+          size = "1M";
+          type = "EF02"; # for grub MBR
+        };
+        ESP = {
+          size = "500M";
+          type = "EF00";
+          content = {
+            type = "mdraid";
+            name = "boot";
           };
         };
-      };
-
-      sdb = {
-        type = "disk"; 
-        device = "/dev/sdb";
-        content = {
-          type = "gpt";
-          partitions = {
-            boot = {
-              size = "1M"; 
-              type = "EF02"; # GRUB MBR
-            };
-            ESP = {
-              size = "500M";
-              type = "EF00";
-              content = {
-                type = "mdraid";
-                name = "boot";
-              };
-            };
-            mdadm = {
-              size = "100%";
-              content = {
-                type = "mdraid";
-                name = "raid1";
-              };
-            };
+        mdadm = {
+          size = "100%";
+          content = {
+            type = "mdraid";
+            name = "raid1";
           };
         };
       };
     };
-
-    mdadm = {
-      boot = {
-        type = "mdadm";
-        level = 1;
-        metadata = "1.0";
+  });
+  disko.devices.mdadm = {
+    boot = {
+      type = "mdadm";
+      level = 1;
+      metadata = "1.0";
+      content = {
+        type = "filesystem";
+        format = "vfat";
+        mountpoint = "/boot";
+      };
+    };
+    raid1 = {
+      type = "mdadm";
+      level = 1;
+      content = {
+        type = "luks";
+        name = "crypted";
         content = {
           type = "filesystem";
-          format = "vfat";
-          mountpoint = "/boot";
-        };
-      };
-      raid1 = {
-        type = "mdadm";
-        level = 1;
-        content = {
-          type = "luks";
-          name = "ROOT";
-          extraOpenArgs = [ "--allow-discards" ];
-          content = {
-            type = "filesystem";
-            format = "ext4";
-            mountpoint = "/";
-          };
+          format = "ext4";
+          mountpoint = "/";
         };
       };
     };
-  };  
+  };
 }