diff --git a/machines/Archie/hardware-configuration.nix b/machines/Archie/hardware-configuration.nix
index 3412764..48133e7 100644
--- a/machines/Archie/hardware-configuration.nix
+++ b/machines/Archie/hardware-configuration.nix
@@ -40,6 +40,19 @@
 			fsType = "vfat";
 		};
 
+	/*
+	Mount the root subvolume of the SSD
+	This is helpful for getting things from
+	my old Arch install, as well as for running btdu
+	*/
+	fileSystems = {
+		"/mnt/ssd" = {
+			device = config.fileSystems."/".device;
+			fsType = config.fileSystems."/".fsType;
+			options = [ "subvolid=5" "ro" ];
+		};
+	};
+
 	swapDevices = [ ];
 
 	nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";