[devices]: DellEMC S6000 fancontrol support (#4048)
- Implemented fancontrol service to monitor S6000 fans and adjust fan speed w.r.t temperature. - fancontrol.service starts the fancontrol script at startup. - This script takes the average temperature by reading three sensors and configure FANS to appropritate RPM against the temperature. - When the temperature is adjusted script will log in syslog for future reference. - Also, script checks for faulty fans and report the status in syslog.
This commit is contained in:
paavaanan
Abhishek
parent
42bffc1215
commit
e32d22c0b9
@ -1,6 +1,8 @@
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s6000/scripts/s6000_platform.sh usr/local/bin
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s6000/scripts/reset-qsfp usr/local/bin
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s6000/scripts/set-fan-speed usr/local/bin
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s6000/scripts/fancontrol.sh usr/local/bin
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s6000/systemd/platform-modules-s6000.service etc/systemd/system
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s6000/systemd/fancontrol.service etc/systemd/system
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common/io_rd_wr.py usr/local/bin
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s6000/modules/sonic_platform-1.0-py2-none-any.whl usr/share/sonic/device/x86_64-dell_s6000_s1220-r0
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@ -4,4 +4,9 @@
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depmod -a
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systemctl enable platform-modules-s6000.service
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systemctl start platform-modules-s6000.service
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systemctl enable fancontrol.service
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systemctl start fancontrol.service
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#DEBHELPER#
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189
platform/broadcom/sonic-platform-modules-dell/s6000/scripts/fancontrol.sh
Executable file
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platform/broadcom/sonic-platform-modules-dell/s6000/scripts/fancontrol.sh
Executable file
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#!/bin/bash
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LEVEL=99
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INTERVAL=5
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FAULTY_FANTRAY1=1
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FAULTY_FANTRAY2=1
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FAULTY_FANTRAY3=1
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# FAN RPM Speed
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IDLE=7000
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LEVEL1=10000
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LEVEL2=13000
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LEVEL3=16000
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LEVEL4=19000
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LEVEL5=19000
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I2C_ADAPTER="/sys/class/i2c-adapter/i2c-2/i2c-11"
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SENSOR1="$I2C_ADAPTER/11-004c/hwmon/hwmon*/temp1_input"
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SENSOR2="$I2C_ADAPTER/11-004d/hwmon/hwmon*/temp1_input"
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SENSOR3="$I2C_ADAPTER/11-004e/hwmon/hwmon*/temp1_input"
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# Three fan trays with each contains two separate fans
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# fan1-fan4 fan2-fan5 fan3-fan6
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FANTRAY1_FAN1=$I2C_ADAPTER/11-0029/fan1_target
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FANTRAY1_FAN2=$I2C_ADAPTER/11-0029/fan2_target
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FANTRAY2_FAN1=$I2C_ADAPTER/11-0029/fan3_target
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FANTRAY2_FAN2=$I2C_ADAPTER/11-0029/fan4_target
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FANTRAY3_FAN1=$I2C_ADAPTER/11-002a/fan1_target
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FANTRAY3_FAN2=$I2C_ADAPTER/11-002a/fan2_target
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FANTRAY1_FAN1_RPM=$I2C_ADAPTER/11-0029/fan1_input
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FANTRAY1_FAN2_RPM=$I2C_ADAPTER/11-0029/fan2_input
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FANTRAY2_FAN1_RPM=$I2C_ADAPTER/11-0029/fan3_input
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FANTRAY2_FAN2_RPM=$I2C_ADAPTER/11-0029/fan4_input
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FANTRAY3_FAN1_RPM=$I2C_ADAPTER/11-002a/fan1_input
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FANTRAY3_FAN2_RPM=$I2C_ADAPTER/11-002a/fan2_input
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function check_module
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{
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MODULE=$1
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lsmod | grep "$MODULE" > /dev/null
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ret=$?
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if [[ $ret = "1" ]]; then
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echo "$MODULE is not loaded!"
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exit 1
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fi
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}
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function check_faulty_fan
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{
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# Assume fans in FanTray spins less than 1000 RPM is faulty.
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# To Maintain temperature assign max speed 16200 RPM to all other fans.
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# This RPM speed handle temperature upto 75C degrees
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fan1=$(cat $FANTRAY1_FAN1_RPM)
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fan2=$(cat $FANTRAY1_FAN2_RPM)
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fan3=$(cat $FANTRAY2_FAN1_RPM)
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fan4=$(cat $FANTRAY2_FAN2_RPM)
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fan5=$(cat $FANTRAY3_FAN1_RPM)
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fan6=$(cat $FANTRAY3_FAN2_RPM)
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# FanTray1
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if [ "$fan1" -le "1000" ] || [ "$fan2" -le "1000" ]; then
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# First time detecting failure
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if [ $FAULTY_FANTRAY1 -lt "2" ]; then
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FAULTY_FANTRAY1=2
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/usr/local/bin/set-fan-speed 16200 2 > /dev/null
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logger "Faulty Fans in Fantray1 $fan1 $fan2 Please check."
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fi
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elif [ "$fan1" -ge "1000" ] || [ "$fan2" -ge "1000" ]; then
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FAULTY_FANTRAY1=0
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fi
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# FanTray2
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if [ "$fan3" -le "1000" ] || [ "$fan4" -le "1000" ]; then
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# First time detecting failure
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if [ $FAULTY_FANTRAY2 -lt "2" ]; then
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FAULTY_FANTRAY2=2
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/usr/local/bin/set-fan-speed 16200 2 > /dev/null
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logger "Faulty Fans in FanTray2: $fan3 $fan4. Please check."
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fi
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elif [ "$fan3" -ge "1000" ] || [ "$fan4" -ge "1000" ]; then
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FAULTY_FANTRAY2=0
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fi
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# FanTray3
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if [ "$fan5" -le "1000" ] || [ "$fan6" -le "1000" ]; then
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# First time detecting failure
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if [ $FAULTY_FANTRAY3 -lt "2" ]; then
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FAULTY_FANTRAY3=2
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/usr/local/bin/set-fan-speed 16200 2 > /dev/null
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logger "FanTray3 Fans are Faulty.. $fan5 $fan6. Please check."
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fi
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elif [ "$fan5" -ge "1000" ] || [ "$fan6" -ge "1000" ]; then
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FAULTY_FANTRAY3=0
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fi
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}
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function update_fan_speed
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{
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local fan_speed=$1
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echo $fan_speed > $FANTRAY1_FAN1
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echo $fan_speed > $FANTRAY1_FAN2
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echo $fan_speed > $FANTRAY2_FAN1
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echo $fan_speed > $FANTRAY2_FAN2
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echo $fan_speed > $FANTRAY3_FAN1
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echo $fan_speed > $FANTRAY3_FAN2
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}
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function monitor_temp_sensors
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{
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while true # go through all temp sensor outputs
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do
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sensor1=$(expr `echo $(cat $SENSOR1)` / 1000)
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sensor2=$(expr `echo $(cat $SENSOR2)` / 1000)
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sensor3=$(expr `echo $(cat $SENSOR3)` / 1000)
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sum=$(($sensor1 + $sensor2 + $sensor3))
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sensor_temp=$(($sum/3))
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if [ "$sensor_temp" -le "25" ] && [ "$LEVEL" -ne "0" ]
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then
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# Set Fan Speed to 7000 RPM"
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LEVEL=0
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update_fan_speed $IDLE
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logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature"
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elif [ "$sensor_temp" -ge "26" ] && [ "$sensor_temp" -le "44" ] && [ "$LEVEL" -ne "1" ]
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then
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# Set Fan Speed to 10000 RPM"
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LEVEL=1
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update_fan_speed $LEVEL1
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logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature"
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elif [ "$sensor_temp" -ge "45" ] && [ "$sensor_temp" -le "59" ] && [ "$LEVEL" -ne "2" ]
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then
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# Set Fan Speed to 13000 RPM"
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LEVEL=2
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update_fan_speed $LEVEL2
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logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature"
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elif [ "$sensor_temp" -ge "60" ] && [ "$sensor_temp" -le "79" ] && [ "$LEVEL" -ne "3" ]
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then
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# Set Fan Speed to 16000 RPM"
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LEVEL=3
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update_fan_speed $LEVEL3
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logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature"
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elif [ "$sensor_temp" -ge "80" ] && [ "$LEVEL" -ne "4" ]
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then
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# Set Fan Speed to 19000 RPM"
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LEVEL=4
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update_fan_speed $LEVEL4
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logger "Adjusted FAN Speed to $IDLE RPM against $sensor_temp Temperature"
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fi
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# Check for faulty fan
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check_faulty_fan
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done
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}
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# Check drivers for sysfs attributes
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check_module "dell_s6000_platform"
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check_module "max6620"
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# main loop calling the main function at specified intervals
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while true
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do
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monitor_temp_sensors
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# Sleep while still handling signals
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sleep $INTERVAL &
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wait
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done
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@ -0,0 +1,13 @@
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[Unit]
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Description=Dell S6000 fan speed regulator
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After=platform-modules-s6000.service
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Before=pmon.service
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[Service]
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ExecStart=-/usr/local/bin/fancontrol.sh
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Restart=always
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RestartSec=30
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[Install]
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WantedBy=multi-user.target
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