Firmware: 01.01.18 

 mkfs.ext3 - m 0 /dev/sdb4 

 #!/bin/bash # # smart_control # # Script to manage the NAS temperature and disk spin-down # # Development partially reusing smart_spindown # ################################################################### # # Configuration # # Disk(s) to monitor. # If you have only one disk, leave DISK2 empty DISK1=sda DISK2=sdb # Temperature thresholds (celsius) TEMP_50=40 TEMP_100=45 TEMP_RANGE=1 TEMP_ALARM=50 # Time to keep fan working after disk spin down (in seconds) KEEP_FAN=300 # Spin down timer in seconds SPINDOWN_TIME=7200 # Loop frequency (time to wait in seconds) WAIT_TIME=60 # Output levels. Level 2 is verbose, level 1 is normal output. # Enable all levels you would like to see. OUTLEVEL1=true OUTLEVEL2=false # Decide which output to use. Useful if run in daemon mode # echo or logger # output1 is logged to normal, output2 to debug syslog # Is PID of this shell logged? OUTPUT1="/etc/init.d/echolog /mnt/ramdisk/smart_control.log" OUTPUT2="/etc/init.d/echolog /mnt/ramdisk/smart_control.log" ######################################################################### # # Functions # # Fan speed functions function set_fan_speed { $OUTLEVEL2 && ${OUTPUT2} " Set fan to $1" echo $1 > /sys/devices/platform/wdc-fan/speed CURRENT_FAN_SPEED=$1 } function fan_speed { cat /sys/devices/platform/wdc-fan/speed } # Leds functions LEDS_DIR=/sys/class/leds function set_leds { $OUTLEVEL2 && ${OUTPUT2} " Set leds to status $1" if [ "$1" = "standby" ]; then echo 0 > $LEDS_DIR/wdc-leds:activity/brightness echo 0 > $LEDS_DIR/wdc-leds:power/brightness fi if [ "$1" = "active" ]; then echo 255 > $LEDS_DIR/wdc-leds:activity/brightness echo 255 > $LEDS_DIR/wdc-leds:power/brightness fi if [ "$1" = "temp_alarm" ]; then echo 255 > $LEDS_DIR/wdc-leds:over-temp/brightness fi if [ "$1" = "no_temp_alarm" ]; then if [ $(cat $LEDS_DIR/wdc-leds:over-temp/brightness) -ne 0 ]; then echo 0 > $LEDS_DIR/wdc-leds:over-temp/brightness fi fi if [ "$1" = "raid_nominal" ]; then if [ $(cat $LEDS_DIR/wdc-leds:degraded/brightness) -ne 0 -o $(cat $LEDS_DIR/wdc-leds:rebuilding/brightness) -ne 0 ]; then echo 0 > $LEDS_DIR/wdc-leds:degraded/brightness echo 0 > $LEDS_DIR/wdc-leds:rebuilding/brightness fi fi if [ "$1" = "raid_fail" ]; then echo 255 > $LEDS_DIR/wdc-leds:degraded/brightness echo 0 > $LEDS_DIR/wdc-leds:rebuilding/brightness fi if [ "$1" = "raid_build" ]; then echo 0 > $LEDS_DIR/wdc-leds:degraded/brightness echo 255 > $LEDS_DIR/wdc-leds:rebuilding/brightness fi } # Temperature functions function current_max_temp { # Get temps TEMPERATURE_DISK1=$(smartctl -d ata -A ${DEVNAME1}|grep Tempera|cut -c 88-90) if [ "$DISK2" ] ; then TEMPERATURE_DISK2=$(smartctl -d ata -A ${DEVNAME2}|grep Tempera|cut -c 88-90) else TEMPERATURE_DISK2=0 fi # Return the max if [ $TEMPERATURE_DISK1 -ge $TEMPERATURE_DISK2 ]; then echo $TEMPERATURE_DISK1 else echo $TEMPERATURE_DISK2 fi } function required_fan_speed { if [ $1 -ge $TEMP_100 ]; then echo "100" return fi if [ $1 -le $(($TEMP_50 - $TEMP_RANGE)) ]; then echo "0" return fi if [ $CURRENT_FAN_SPEED -eq 0 ]; then if [ $1 -ge $TEMP_50 ]; then echo "50" else echo "0" fi return fi if [ $CURRENT_FAN_SPEED -eq 100 ]; then if [ $1 -le $(($TEMP_100 - $TEMP_RANGE)) ]; then echo "50" else echo "100" fi return fi echo "50" return } # Check if there has been any activity in the disks since last check function check_disk_activity { STAT_DISK1=$(cat /sys/block/$DISK1/stat |awk '{ print $1; }') if [ "$DISK2" ]; then STAT_DISK2=$(cat /sys/block/$DISK2/stat |awk '{ print $1; }') else STAT_DISK2=0 fi echo "$STAT_DISK1 $STAT_DISK2" return } # Function to check array status function check_array { MDSTAT_FILE=/proc/mdstat MDSTAT_FILTER=$(cat $MDSTAT_FILE | grep -A 2 "^$1 :" ) RAID_ACTIVE=$(echo $MDSTAT_FILTER | grep -c "active raid1") TWO_DISKS=$(echo $MDSTAT_FILTER | grep -c "\[2/2\]") IN_RECOVERY=$(echo $MDSTAT_FILTER | grep -c "recovery") if [ $RAID_ACTIVE -eq 1 -a $TWO_DISKS -eq 1 -a $IN_RECOVERY -eq 0 ]; then echo "nominal" return fi if [ $RAID_ACTIVE -eq 1 -a $IN_RECOVERY -eq 1 ]; then echo "build" return fi echo "fail" return } # # Initialise # # Device name(s) for the disk(s). DEVNAME1=/dev/$DISK1 [ "$DISK2" ] && DEVNAME2=/dev/$DISK2 [ -z "$DISK2" ] && DEVNAME2= # Make sure the stuff we use is in the cache. true false sleep 1 # Log the end of script execution trap "$OUTPUT1 'Exiting.'" EXIT # Initial message $OUTLEVEL1 && ${OUTPUT1} "---------------------------------------------" $OUTLEVEL1 && ${OUTPUT1} "---------------------------------------------" $OUTLEVEL1 && ${OUTPUT1} "SMART CONTROL started" if [ "$DISK2" ] ; then $OUTLEVEL1 && ${OUTPUT1} "Smart control for disks $DISK1 and $DISK2." ; else $OUTLEVEL1 && ${OUTPUT1} "Smart control for disk $DISK1." ; fi ; # Initalise internal variables DISK_STATUS=unknown QUIET_LOOPCOUNT=0 STANDBY_LOOPCOUNT=0 CURRENT_FAN_SPEED=$(fan_speed) LAST_DISK_ACTIVITY="0 0" ARRAY_STATUS="nominal" # # Main loop # while [[ /sbin/true ]]; do $OUTLEVEL2 && ${OUTPUT2} " ---" $OUTLEVEL2 && ${OUTPUT2} " Loop Standby: $STANDBY_LOOPCOUNT / Quiet: $QUIET_LOOPCOUNT" # Actions which depend on the status hdparm -C $DEVNAME1 $DEVNAME2 | grep active >/dev/null if [ "$?" == "0" ] ; then # There are active disks $OUTLEVEL2 && ${OUTPUT2} " Active status" # Check if there is a status transition to reconfigure if [ "$DISK_STATUS" != "active" ]; then $OUTLEVEL1 && ${OUTPUT1} "Disks went to active" DISK_STATUS=active QUIET_LOOPCOUNT=0 LAST_DISK_ACTIVITY="0 0" set_leds active fi # Check temperature and set fan speed / alarm led CURRENT_TEMP=$(current_max_temp) $OUTLEVEL2 && ${OUTPUT2} " Current max disk temperature: $CURRENT_TEMP" NEEDED_FAN_SPEED=$(required_fan_speed $CURRENT_TEMP) $OUTLEVEL2 && ${OUTPUT2} " Current fan speed: $CURRENT_FAN_SPEED / Required: $NEEDED_FAN_SPEED" if [ $CURRENT_FAN_SPEED != $NEEDED_FAN_SPEED ]; then $OUTLEVEL2 && ${OUTPUT2} " Set fan speed to $NEEDED_FAN_SPEED" set_fan_speed $NEEDED_FAN_SPEED else $OUTLEVEL2 && ${OUTPUT2} " No need to change fan speed" fi if [ $CURRENT_TEMP -gt $TEMP_ALARM ]; then $OUTLEVEL1 && ${OUTPUT1} "Temperature alarm detected!" set_leds temp_alarm else $OUTLEVEL2 && ${OUTPUT2} " No temperature alarm" set_leds no_temp_alarm fi # Check disk activity DISK_ACTIVITY=$(check_disk_activity) $OUTLEVEL2 && ${OUTPUT2} " Current disk activity: $DISK_ACTIVITY , prev: $LAST_DISK_ACTIVITY" if [ "$DISK_ACTIVITY" = "$LAST_DISK_ACTIVITY" ]; then # No activity QUIET_LOOPCOUNT=$(($QUIET_LOOPCOUNT+1)) $OUTLEVEL2 && ${OUTPUT2} " No disk activity" else # Activity detected QUIET_LOOPCOUNT=0 $OUTLEVEL2 && ${OUTPUT2} " Disk activity detected" fi LAST_DISK_ACTIVITY=$DISK_ACTIVITY # Check if needed to spin down the disk QUIET_TIME=$(($QUIET_LOOPCOUNT*$WAIT_TIME)) $OUTLEVEL2 && ${OUTPUT2} " $QUIET_TIME seconds of quiet" if [ $QUIET_TIME -ge $SPINDOWN_TIME ]; then $OUTLEVEL1 && ${OUTPUT1} "Go to spin down after $QUIET_TIME seconds of quiet" true false sleep 1 # echo 1 > /proc/sys/vm/block_dump sync set_leds standby hdparm -q -y $DEVNAME1 $DEVNAME2 DISK_STATUS="standby" STANDBY_LOOPCOUNT=0 sleep 5 fi # Count loops in active STANDBY_LOOPCOUNT=0 else # Disks are in standby $OUTLEVEL2 && ${OUTPUT2} " Standby status" # Check for status transition to reconfigure if [ "$DISK_STATUS" != "standby" ]; then $OUTLEVEL1 && ${OUTPUT1} "Disks went to standby" DISK_STATUS=standby STANDBY_LOOPCOUNT=0 set_leds standby fi # Stop the fan if [ $(($WAIT_TIME*$STANDBY_LOOPCOUNT)) -gt $KEEP_FAN ]; then if [ $(fan_speed) -gt 0 ]; then $OUTLEVEL1 && ${OUTPUT1} "Stop fan in standby status" set_fan_speed 0 else $OUTLEVEL2 && ${OUTPUT2} " Fan already stopped" fi else $OUTLEVEL2 && ${OUTPUT2} " Waiting to stop fan" fi # Count loops in standby STANDBY_LOOPCOUNT=$(($STANDBY_LOOPCOUNT+1)) QUIET_LOOPCOUNT=$(($QUIET_LOOPCOUNT+1)) fi # Actions which are done in any status # Check the RAID health if [ "$DISK2" ]; then NEW_ARRAY_STATUS="$(check_array md1) $(check_array md2) $(check_array md3) $(check_array md4)" $OUTLEVEL2 && ${OUTPUT2} " Arrays status: $NEW_ARRAY_STATUS" if [ "$NEW_ARRAY_STATUS" = "nominal nominal nominal nominal" ]; then if [ "$ARRAY_STATUS" = "nominal" ]; then $OUTLEVEL2 && ${OUTPUT2} " RAID status nominal" else $OUTLEVEL1 && ${OUTPUT1} "RAID 1 problem recovered, now nominal" ARRAY_STATUS="nominal" fi set_leds raid_nominal else if [ $(echo $NEW_ARRAY_STATUS | grep -c build) -gt 0 ]; then if [ "$ARRAY_STATUS" = "build" ]; then $OUTLEVEL2 && ${OUTPUT2} " RAID status rebuilding" else $OUTLEVEL1 && ${OUTPUT1} "RAID 1 problem rebuilding" ARRAY_STATUS="build" fi set_leds raid_build else if [ "$ARRAY_STATUS" = "fail" ]; then $OUTLEVEL2 && ${OUTPUT2} " RAID failure" else $OUTLEVEL1 && ${OUTPUT1} "RAID 1 problem detected" ARRAY_STATUS="fail" fi set_leds raid_fail fi fi fi # Wait for the next iteration $OUTLEVEL2 && ${OUTPUT2} " Sleeping for $WAIT_TIME secods ..." sleep $WAIT_TIME done 

 fecha=`date +%Y%m%d-%H%M%S` echo "[$fecha] $2" >> $1 2>&1 

 #! /bin/sh # # smart_control startup/stop script SVCNAME=smart_control SMART_SCRIPT=/etc/init.d/smart_control.sh SMART_LOG=/mnt/ramdisk/smart_control.log SMART_PID=/var/run/$(basename ${SMART_SCRIPT}).pid checkconfig() { if [ ! -r $SMART_SCRIPT ] ; then echo "Control script not found at $SMART_SCRIPT" return 1 fi } start() { checkconfig || return 1 echo "Stopping WDC services" /etc/init.d/S15wdc-fuel-gauge stop /etc/init.d/S15wdc-heat-monitor stop # echo "Setting configuration" #echo 0 > /proc/sys/vm/dirty_expire_centisecs #echo 0 > /proc/sys/vm/dirty_writeback_centisecs #echo 95 > /proc/sys/vm/dirty_ratio #echo 10 > /proc/sys/vm/dirty_background_ratio #echo 5 > /proc/sys/vm/laptop_mode #echo 40 > /proc/sys/vm/swappiness echo "Starting ${SVCNAME}" start-stop-daemon --start --background --quiet \ --pidfile ${SMART_PID} --make-pidfile \ --exec ${SMART_SCRIPT} } stop() { echo "Stopping ${SVCNAME}" # "echo" before start-stop-deamon, # so we get the error code of s-s-d as exit code #echo 3000 > /proc/sys/vm/dirty_expire_centisecs #echo 500 > /proc/sys/vm/dirty_writeback_centisecs #echo 40 > /proc/sys/vm/dirty_ratio #echo 10 > /proc/sys/vm/dirty_background_ratio #echo 0 > /proc/sys/vm/laptop_mode #echo 60 > /proc/sys/vm/swappiness start-stop-daemon --stop --quiet --pidfile ${SMART_PID} echo "Starting WCD services..." /etc/init.d/S15wdc-fuel-gauge start /etc/init.d/S15wdc-heat-monitor start } case "$1" in start) start ;; stop) stop ;; restart) stop start ;; *) echo $"Usage: $0 {start|stop|restart}" exit 1 ;; esac exit $?