From de97ce6eebbfdc25a2eec50b6014a3eb18d435c8 Mon Sep 17 00:00:00 2001
From: TheGeneralist <180094941+thegeneralist01@users.noreply.github.com>
Date: Fri, 9 Oct 2026 14:52:41 +0200
Subject: [PATCH] nixos: apply SATA link power policy consistently

---
 hosts/thegeneralist/hardware-configuration.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hosts/thegeneralist/hardware-configuration.nix b/hosts/thegeneralist/hardware-configuration.nix
index f03d750..c3f5505 100644
--- a/hosts/thegeneralist/hardware-configuration.nix
+++ b/hosts/thegeneralist/hardware-configuration.nix
@@ -41,6 +41,12 @@
         fi
       done
 
+      for host in /sys/class/scsi_host/host*; do
+        if [ -w "$host/link_power_management_policy" ]; then
+          echo med_power_with_dipm > "$host/link_power_management_policy"
+        fi
+      done
+
       # This unmounted archival HDD wakes transparently when accessed.
       disk=/dev/disk/by-id/ata-ST1000DM010-2EP102_ZN1043CH
       if [ -b "$disk" ]; then