diff --git a/modules/hardware-configuration.nix b/modules/hardware-configuration.nix
index efadb8f..788673a 100644
--- a/modules/hardware-configuration.nix
+++ b/modules/hardware-configuration.nix
@@ -8,7 +8,7 @@
     [ (modulesPath + "/installer/scan/not-detected.nix")
     ];
 
-  boot.initrd.availableKernelModules = [ "usbhid" ];
+  boot.initrd.availableKernelModules = [ "usb_storage" ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
@@ -18,6 +18,11 @@
       fsType = "ext4";
     };
 
+  fileSystems."/shield/unit" =
+    { device = "shield/unit";
+      fsType = "zfs";
+    };
+
   swapDevices = [ ];
 
   powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";