From 5bbe17ebcde17a37a5abc75aefcd05037b5d199e Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Mon, 21 Sep 2026 17:43:05 +0800
Subject: [PATCH] fix(youko): also try disabling the WD idle3 (Intellipark)
 timer

-B 255 turns APM off and it stuck, but the disks still reach standby, so
the bridge firmware is likely doing the spindown. -J 0 additionally asks
the drive to stop parking its heads (sdb has ~1M load cycles).
---
 hosts/12kingdoms-youko/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hosts/12kingdoms-youko/default.nix b/hosts/12kingdoms-youko/default.nix
index 940488ec..c25fa1da 100644
--- a/hosts/12kingdoms-youko/default.nix
+++ b/hosts/12kingdoms-youko/default.nix
@@ -64,8 +64,10 @@ in
     script = ''
       for d in ${hddPublic} ${hddEncrypted}; do
         echo "== $d =="
-        ${pkgs.hdparm}/bin/hdparm -B 255 -S 0 "$d" || true
+        # -B 255: APM off; -S 0: no standby timer; -J 0: WD idle3 (Intellipark) off
+        ${pkgs.hdparm}/bin/hdparm -B 255 -S 0 -J 0 "$d" || true
         ${pkgs.hdparm}/bin/hdparm -B "$d" || true
+        ${pkgs.hdparm}/bin/hdparm -J "$d" || true
         ${pkgs.hdparm}/bin/hdparm -C "$d" || true
       done
     '';