Root RAID HOWTO cookbook: Appendix B. - Sample SHUTDOWN scripts

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## 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:      @(#)/etc/rc.d/rc.6      1.50    1994-01-15
    #
    # Author:       Miquel van Smoorenburg <miquels@drinkel.nl.mugnet.org>
    # Modified by:  Patrick J. Volkerding, <volkerdi@ftp.cdrom.com>
    #
    # Modified by:  Michael A. Robinton < michael@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:      @(#)halt  1.10  26-Apr-1997  miquels@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:      @(#)reboot  1.9  02-Feb-1997  miquels@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

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