25 lines
871 B
Nix
25 lines
871 B
Nix
# Power management for NAS
|
|
# - CPU powersave governor (scales up on demand for transcoding)
|
|
# - Disk spindown after 15 minutes idle
|
|
{ config, lib, pkgs, ... }:
|
|
|
|
{
|
|
# CPU Power Management - powersave scales up on demand for transcoding
|
|
powerManagement.cpuFreqGovernor = "powersave";
|
|
|
|
# Disk spindown - hdparm for Seagate 18TB drives
|
|
environment.systemPackages = [ pkgs.hdparm ];
|
|
|
|
services.udev.extraRules = ''
|
|
# Seagate 18TB NAS drives - APM 127 allows spindown, -S 180 = 15 min
|
|
ACTION=="add", KERNEL=="sd[a-z]", SUBSYSTEM=="block", \
|
|
ATTRS{model}=="ST18000NM000J*", \
|
|
RUN+="${pkgs.hdparm}/bin/hdparm -B 127 -S 180 /dev/%k"
|
|
|
|
# Toshiba 20TB NAS drives - same settings
|
|
ACTION=="add", KERNEL=="sd[a-z]", SUBSYSTEM=="block", \
|
|
ATTRS{model}=="TOSHIBA MG10ACA2*", \
|
|
RUN+="${pkgs.hdparm}/bin/hdparm -B 127 -S 180 /dev/%k"
|
|
'';
|
|
}
|