diff --git a/hosts/default/configuration.nix b/hosts/default/configuration.nix
index ce929e0..8811d44 100644
--- a/hosts/default/configuration.nix
+++ b/hosts/default/configuration.nix
@@ -11,12 +11,33 @@
       inputs.home-manager.nixosModules.default
       ./main-user.nix
     ];
+
+  fileSystems."/mnt" =
+    { device = "/dev/mapper/volgrp-root";
+      fsType = "btrfs";
+      options = [ "subvol=5" ];
+    };
+
+  fileSystems."/mnt/home" =
+    { device = "/dev/mapper/volgrp-home";
+      fsType = "btrfs";
+      options = [ "subvol=5" ];
+    };
+  boot.initrd.luks.devices."nvme0n1p2_crypt".device = "/dev/disk/by-uuid/93922f23-d0ba-4405-adbb-9789d37e5985";
+  boot.initrd.luks.devices."nvme2n1p2_oldcrypt".device = "/dev/disk/by-uuid/44235dca-99e8-4ea8-9516-97d9f5a2d702";
+
+
   # Add flakes
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  # Feel like I should be sure this is safe w/flakes first:
+  #system.autoUpgrade.enable = true;
+
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
+  # System name
   networking.hostName = "supercell"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.