20 lines
505 B
Nix
20 lines
505 B
Nix
{
|
|
lib,
|
|
pkgs,
|
|
...
|
|
}: {
|
|
# Disables spindown on all disks of /dev/sd* format. -S might be used later not sure if needed yet.
|
|
services.udev.extraRules = let
|
|
mkRule = as: lib.concatStringsSep ", " as;
|
|
mkRules = rs: lib.concatStringsSep "\n" rs;
|
|
in
|
|
mkRules [
|
|
(mkRule [
|
|
''ACTION=="add|change"''
|
|
''SUBSYSTEM=="block"''
|
|
''KERNEL=="sd[a-z]"''
|
|
''ATTR{queue/rotational}=="1"''
|
|
''RUN+="${pkgs.hdparm}/bin/hdparm -B 254 /dev/%k"''
|
|
])
|
|
];
|
|
}
|