nix/os/devices/steveej-rmvbl-sdep0/hw.nix

@@ -4,6 +4,6 @@
   # TASK: new device
   hardware.encryptedDisk = {
     enable = true;
-    diskId = "usb-SanDisk_Ultra_USB_3.0_4C530001280509108321-0:0";
+    diskId = "usb-SanDisk_Extreme_Pro_12345978EC62-0:0";
   };
 }

nix/os/devices/steveej-rmvbl-sdep0/system.nix

@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+  networking.hostName = "steveej-rmvbl-sdep0"; # Define your hostname.
+}

nix/os/devices/steveej-rmvbl-sduusb3128g/system.nix

@@ -1,5 +0,0 @@
-{ ... }:
-
-{
-  networking.hostName = "steveej-rmvbl-sduusb3128g"; # Define your hostname.
-}