smartdrive-ctl : bash wrapper against smartdrive to wakeup and standby drives and getting status.

smartdrive-ctl.sh

#!/bin/bash

drives='sda sdb sdc sdd'
delay=60
# 60 = 5mn
# 72 = 6mn (5*72=360s)

_in_standby() {
	smartctl -i -n standby $1 > /dev/null | grep -q 'Device is in STANDBY mode'
	return $?
}

case "$1" in
 start|wakeup)
   ;;
 
 stop)
   ;;


 standby)
	# set (force) in standby mode
	for d in $drives ; do
	  # _in_standby $d || hdparm -q -y /dev/$d
	  hdparm -q -y /dev/$d
	done
   ;;
 
 status)

	# status
	for d in $drives ; do
	  status=$(smartctl -i -n standby /dev/$d | egrep 'Device is in|Power mode')
	  echo "/dev/$d: $status" 
	done
   ;;

 setup)
	# set timeout of inactivity before shutdown in standby mode.
	for d in $drives ; do
          smartctl -s on /dev/$d
	  hdparm -q -S $delay /dev/$d
	done
   ;;

  test)
    drive=/dev/sda
    _in_standby /dev/sdb && echo "sda in standby"
    drive=/dev/sdb
    _in_standby /dev/sdb && echo "sdb in standby"

esac