Root RAID HOWTO cookbook

9. Appendix B. - Sample SHUTDOWN scripts

• Slackware
• Debian

9.1 Slackware - /etc/rc.d/rc.6

#! /bin/sh
#
# rc.6          This file is executed by init when it goes into runlevel
#               0 (halt) or runlevel 6 (reboot). It kills all processes,
#               unmounts file systems and then either halts or reboots.
#
# Version:       at (#)/etc/rc.d/rc.6      1.50    1994-01-15
#
# Author:       Miquel van Smoorenburg <miquels at drinkel.nl.mugnet.org>
# Modified by:  Patrick J. Volkerding, <volkerdi at ftp.cdrom.com>
#
# Modified by:  Michael A. Robinton < michael at bizsystems.com >
#               to add call to rc.raidown
  # Set the path.
  PATH=/sbin:/etc:/bin:/usr/bin

  # Set linefeed mode to avoid staircase effect.
  stty onlcr

  echo "Running shutdown script $0:"

  # Find out how we were called.
  case "$0" in
        *0)
                message="The system is halted."
                command="halt"
                ;;
        *6)
                message="Rebooting."
                command=reboot
                ;;
        *)
                echo "$0: call me as \"rc.0\" or \"rc.6\" please!"
                exit 1
                ;;
  esac

############ Save raid boot and status info ##############
#
if [ -x /etc/rc.d/rc.raidown ]; then
   /etc/rc.d/rc.raidown
fi
################## end raid boot #########################

  # Kill all processes.
  # INIT is supposed to handle this entirely now, but this didn't always
  # work correctly without this second pass at killing off the processes.
  # Since INIT already notified the user that processes were being killed,
  # we'll avoid echoing this info this time around.
  if [ "$1" != "fast" ]; then # shutdown did not already kill all processes
    killall5 -15 
    killall5 -9
  fi

  # Try to turn off quota and accounting.
  if [ -x /usr/sbin/quotaoff ]
  then
        echo "Turning off quota."
        /usr/sbin/quotaoff -a
  fi
  if [ -x /sbin/accton ]
  then
        echo "Turning off accounting."
        /sbin/accton
  fi

  # Before unmounting file systems write a reboot or halt record to wtmp.
  $command -w

  # Save localtime
  [ -e /usr/lib/zoneinfo/localtime ] && cp /usr/lib/zoneinfo/localtime /etc

  # Asynchronously unmount any remote filesystems:
  echo "Unmounting remote filesystems."
  umount -a -tnfs &

  # Turn off swap, then unmount local file systems.
  echo "Turning off swap."
  swapoff -a
  echo "Unmounting local file systems."
  umount -a -tnonfs
  # Don't remount UMSDOS root volumes:
  if [ ! "`mount | head -1 | cut -d ' ' -f 5`" = "umsdos" ]; then
    mount -n -o remount,ro /
  fi

################ for raid arrays #########################
# Stop all known raid arrays (except root which won't stop)
if [ -x /sbin/mdstop ]; then
  echo "Stopping raid"
  /sbin/mdstop -a
fi
##########################################################

  # See if this is a powerfail situation.
  if [ -f /etc/powerstatus ]; then
    echo "Turning off UPS, bye."
    /sbin/powerd -q
    exit 1
  fi

  # Now halt or reboot.
  echo "$message"
  [ ! -f /etc/fastboot ] && echo "On the next boot fsck will be FORCED."
  $command -f
############### end rc.6 #################################

9.2 Debian bo - /etc/init.d/halt and /etc/init.d/reboot

The modifications shown here for Debian bo halt and reboot files are NOT TESTED. When you test this, please e-mail me so I can remove this comment.

/etc/init.d/halt

#! /bin/sh
#
# halt          The commands in this script are executed as the last
#               step in runlevel 0, ie halt.
#
# Version:       at (#)halt  1.10  26-Apr-1997  miquels at cistron.nl
#

PATH=/sbin:/bin:/usr/sbin:/usr/bin

############ Save raid boot and status info ##############
#
if [ -x /etc/rc.d/rc.raidown ]; then
   /etc/rc.d/rc.raidown
fi
################## end raid boot #########################

# Kill all processes.
echo -n "Sending all processes the TERM signal... "
killall5 -15
echo "done."
sleep 5
echo -n "Sending all processes the KILL signal... "
killall5 -9
echo "done."

# Write a reboot record to /var/log/wtmp.
halt -w

# Save the random seed between reboots.
/etc/init.d/urandom stop

echo -n "Deactivating swap... "
swapoff -a
echo "done."

echo -n "Unmounting file systems... "
umount -a
echo "done."

mount -n -o remount,ro /

################ for raid arrays #########################
# Stop all known raid arrays (except root which won't stop)
if [ -x /sbin/mdstop ]; then
  echo "Stopping raid"
  /sbin/mdstop -a
fi
##########################################################

# See if we need to cut the power.
if [ -x /etc/init.d/ups-monitor ]
then
        /etc/init.d/ups-monitor poweroff
fi

halt -d -f
############# end halt ####################

/etc/init.d/reboot

#! /bin/sh
#
# reboot        The commands in this script are executed as the last
#               step in runlevel 6, ie reboot.
#
# Version:       at (#)reboot  1.9  02-Feb-1997  miquels at cistron.nl
#

PATH=/sbin:/bin:/usr/sbin:/usr/bin

############ Save raid boot and status info ##############
#
if [ -x /etc/rc.d/rc.raidown ]; then
   /etc/rc.d/rc.raidown
fi
################## end raid boot #########################

# Kill all processes.
echo -n "Sending all processes the TERM signal... "
killall5 -15
echo "done."
sleep 5
echo -n "Sending all processes the KILL signal... "
killall5 -9
echo "done."

# Write a reboot record to /var/log/wtmp.
halt -w

# Save the random seed between reboots.
/etc/init.d/urandom stop

echo -n "Deactivating swap... "
swapoff -a
echo "done."

echo -n "Unmounting file systems... "
umount -a
echo "done."

mount -n -o remount,ro /

################ for raid arrays #########################
# Stop all known raid arrays (except root which won't stop)
if [ -x /sbin/mdstop ]; then
  echo "Stopping raid"
  /sbin/mdstop -a
fi
##########################################################

echo -n "Rebooting... "
reboot -d -f -i