From de72d8ab5ebedf003b5b0d644b46edbe1be4b472 Mon Sep 17 00:00:00 2001
From: zebra <me@izebra.xyz>
Date: Fri, 9 Aug 2024 22:12:28 -0700
Subject: [PATCH] yay I learned git

---
 das_fanctl.sh  | 17 ++++++++++
 fan_control.sh | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 108 insertions(+)
 create mode 100755 das_fanctl.sh
 create mode 100755 fan_control.sh

diff --git a/das_fanctl.sh b/das_fanctl.sh
new file mode 100755
index 0000000..5c1182d
--- /dev/null
+++ b/das_fanctl.sh
@@ -0,0 +1,17 @@
+#/bin/bash
+
+#Zeb H.
+#Dell MD1200 Fan Silencing Script.
+
+#set TTY Flags
+stty -F /dev/ttyS1 38400 raw -echoe -echok -echoctl -echoke
+
+#Run 12 times, sleeping 5 seconds in between (total runtime: 1 min)
+
+for i in $(seq 1 12)
+do
+
+	#Change the value   vv   here to set fan percentage
+	echo -e -n '_shutup 15\r' > /dev/ttyS1
+        sleep 5
+done
diff --git a/fan_control.sh b/fan_control.sh
new file mode 100755
index 0000000..6da7cf0
--- /dev/null
+++ b/fan_control.sh
@@ -0,0 +1,91 @@
+#!/bin/bash
+#
+# https://github.com/brezlord/iDRAC7_fan_control
+# A simple script to control fan speeds on Dell generation 12 PowerEdge servers. 
+# If the inlet temperature is above $TEMP_THRESHOLD C enable iDRAC dynamic control and exit program.
+# If inlet temp is below $TEMP_THRESHOLD C set fan control to manual and set fan speed to predetermined value.
+# The tower servers T320, T420 & T620 inlet temperature sensor is after the HDDs so temperature will
+# be higher than the ambient temperature.
+
+# Variables
+IDRAC_IP="10.1.1.251"
+IDRAC_USER="root"
+IDRAC_PASSWORD="*^b#!efRhE8qULqUCa4U"
+#ENCRYPT_KEY="9233879628486273445939847673574256378762"
+# Fan speed in %
+SPEED0="0x00"
+SPEED5="0x05"
+SPEED10="0x0a"
+SPEED15="0x0f"
+SPEED20="0x14"
+SPEED25="0x19"
+SPEED30="0x1e"
+SPEED35="0x23"
+TEMP_THRESHOLD="45" # iDRAC dynamic control enable thershold
+#TEMP_SENSOR="04h"   # Inlet Temp
+TEMP_SENSOR="01h"  # Exhaust Temp
+#TEMP_SENSOR="0Eh"  # CPU 1 Temp
+#TEMP_SENSOR="0Fh"  # CPU 2 Temp
+SENSOR_NAME="Sensor"
+if [ "$TEMP_SENSOR" == "04h" ] 
+	then
+	SENSOR_NAME="Inlet"
+elif [ "$TEMP_SENSOR" == "01h" ] 
+	then
+	SENSOR_NAME="Exhaust"
+elif [ "$TEMP_SENSOR" == "0Eh" ] 
+	then
+	SENSOR_NAME="CPU1"
+elif [ "$TEMP_SENSOR" == "0Fh" ] 
+	then
+	SENSOR_NAME="CPU2"            
+fi
+# Get system date & time.
+DATE=$(date +%d-%m-%Y\ %H:%M:%S)
+echo "Date $DATE"
+
+# Get temperature from iDARC.
+T=$(ipmitool -I lanplus -H $IDRAC_IP -U $IDRAC_USER -P $IDRAC_PASSWORD sdr type temperature | grep $TEMP_SENSOR | cut -d"|" -f5 | cut -d" " -f2)
+echo "--> iDRAC IP Address: $IDRAC_IP"
+echo "--> Current $SENSOR_NAME Temp: $T"
+
+# If ambient temperature is above $TEMP_THRESHOLD C enable dynamic control and exit, if below set manual control.
+if [[ $T > $TEMP_THRESHOLD ]]
+then
+  echo "--> Temperature is above $TEMP_THRESHOLD C"
+  echo "--> Enabled dynamic fan control"
+  ipmitool -I lanplus -H $IDRAC_IP -U $IDRAC_USER -P $IDRAC_PASSWORD  raw 0x30 0x30 0x01 0x01
+  exit 1
+else
+  echo "--> Temperature is below $TEMP_THRESHOLD C"
+  echo "--> Disabled dynamic fan control"
+  ipmitool -I lanplus -H $IDRAC_IP -U $IDRAC_USER -P $IDRAC_PASSWORD  raw 0x30 0x30 0x01 0x00
+fi
+
+# Set fan speed dependant on ambient temperature if inlet temperaturte is below $TEMP_THRESHOLD C.
+# If inlet temperature between 0 and 19deg C then set fans to 15%.
+if [ "$T" -ge 0 ] && [ "$T" -le 19 ]
+then
+  echo "--> Setting fan speed to 15%"
+  ipmitool -I lanplus -H $IDRAC_IP -U $IDRAC_USER -P $IDRAC_PASSWORD raw 0x30 0x30 0x02 0xff $SPEED15
+
+# If inlet temperature between 20 and 24deg C then set fans to 20%
+elif [ "$T" -ge 20 ] && [ "$T" -le 24 ]
+then
+  echo "--> Setting fan speed to 20%"
+  ipmitool -I lanplus -H $IDRAC_IP -U $IDRAC_USER -P $IDRAC_PASSWORD  raw 0x30 0x30 0x02 0xff $SPEED20
+
+# If inlet temperature between 25 and 29deg C then set fans to 25%
+elif [ "$T" -ge 25 ] && [ "$T" -le 29 ]
+then
+  echo "--> Setting fan speed to 25%"
+  ipmitool -I lanplus -H $IDRAC_IP -U $IDRAC_USER -P $IDRAC_PASSWORD  raw 0x30 0x30 0x02 0xff $SPEED25
+
+# If inlet temperature between 30 and $TEMP_THRESHOLD C then set fans to 30%
+elif [ "$T" -ge 30 ] && [ "$T" -le $TEMP_THRESHOLD ]
+then
+  echo "--> Setting fan speed to 25%"
+  ipmitool -I lanplus -H $IDRAC_IP -U $IDRAC_USER -P $IDRAC_PASSWORD  raw 0x30 0x30 0x02 0xff $SPEED25
+fi
+
+