diff --git a/hosts/physiques/cephiroth/default.nix b/hosts/physiques/cephiroth/default.nix
index d82fa5b..7ee395e 100644
--- a/hosts/physiques/cephiroth/default.nix
+++ b/hosts/physiques/cephiroth/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
 
 {
   imports = [
@@ -12,6 +12,7 @@
   boot.loader.grub = {
     enable = true;
     efiSupport = true;
+    zfsSupport = true;
     device = "nodev";
     mirroredBoots = [
       # {
@@ -34,12 +35,19 @@
     cleanOnBoot = true;
   };
 
+  boot.supportedFilesystems = [ "zfs" ];
+  boot.zfs.extraPools = ["head"];
+  boot.loader.efi.canTouchEfiVariables = true;
+
 
   crans = {
     enable = true;
 
     networking = {
       id = 3;
+      # On doit utiliser des vlans et du bond, donc
+      # on desactive la config network des vms
+      enable = lib.mkForce false;
     };
     resticClient.enable = false;
   };
diff --git a/hosts/physiques/cephiroth/hardware-configuration.nix b/hosts/physiques/cephiroth/hardware-configuration.nix
index 84c49b8..527881a 100644
--- a/hosts/physiques/cephiroth/hardware-configuration.nix
+++ b/hosts/physiques/cephiroth/hardware-configuration.nix
@@ -16,6 +16,7 @@
   fileSystems."/" =
     { device = "head/root";
       fsType = "zfs";
+      options = ["zfsutil"];
     };
 
   fileSystems."/boot" =