pyrox.dev
1{ config, lib, pkgs, ... }:
2with lib;
3
4{
5 options.hardware.usbStorage.manageStartStop = mkOption {
6 type = types.bool;
7 default = true;
8 description = ''
9 Enable this option to gracefully spin-down external storage during shutdown.
10 If you suspect improper head parking after poweroff, install `smartmontools` and check
11 for the `Power-Off_Retract_Count` field for an increment.
12 '';
13 };
14
15 config = mkIf config.hardware.usbStorage.manageStartStop {
16 services.udev.extraRules = ''
17 ACTION=="add|change", SUBSYSTEM=="scsi_disk", DRIVERS=="usb-storage", ATTR{manage_system_start_stop}="1"
18 '';
19 };
20}