1 { config, lib, pkgs, ... }:
3 inherit (lib) mkEnableOption mkIf mkOption types;
5 cfg = config.hardware.sata.timeout;
8 lib.concatStringsSep ", " [
10 ''SUBSYSTEM=="block"''
11 ''ENV{ID_${lib.toUpper d.idBy}}=="${d.name}"''
13 ''ENV{SYSTEMD_WANTS}="${unitName d}"''
17 "/dev/disk/by-${device.idBy}/${device.name}";
20 "sata-timeout-${lib.strings.sanitizeDerivationName device.name}";
23 pkgs.writeShellScript "sata-timeout.sh" ''
28 ${pkgs.smartmontools}/bin/smartctl \
29 -l scterc,${toString cfg.deciSeconds},${toString cfg.deciSeconds} \
30 --quietmode errorsonly \
36 meta.maintainers = with lib.maintainers; [ peterhoeg ];
38 options.hardware.sata.timeout = {
39 enable = mkEnableOption "SATA drive timeouts";
41 deciSeconds = mkOption {
45 Set SCT Error Recovery Control timeout in deciseconds for use in RAID configurations.
47 Values are as follows:
49 70 = default in consumer drives (7 seconds)
51 Maximum is disk dependant but probably 60 seconds.
56 description = "List of drives for which to configure the timeout.";
61 description = "Drive name without the full path.";
66 description = "The method to identify the drive.";
67 type = types.enum [ "path" "wwn" ];
75 config = mkIf cfg.enable {
76 services.udev.extraRules = lib.concatMapStringsSep "\n" buildRule cfg.drives;
78 systemd.services = lib.listToAttrs (map
80 lib.nameValuePair (unitName e) {
81 description = "SATA timeout for ${e.name}";
82 wantedBy = [ "sata-timeout.target" ];
85 ExecStart = "${startScript} '${devicePath e}'";
87 PrivateNetwork = true;
88 ProtectHome = "tmpfs";
89 ProtectSystem = "strict";
95 systemd.targets.sata-timeout = {
96 description = "SATA timeout";
97 wantedBy = [ "multi-user.target" ];