#!/bin/sh
#----------------------------------------------------------------------------
# /etc/init.d/lvm - lvm start script
#
# Creation   :  2009-04-21 holbru
# Last update:  $Id$
#
# Copyright (c) 2001-@@YEAR@@ the eisfair team, team(at)eisfair(dot)org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------
#
# ln -s /etc/init.d/lvm /etc/rc2.d/S05blvm
# ln -s /etc/init.d/lvm /etc/rc2.d/K95lvm
#

# read functions
. /etc/init.d/functions

sbindir=/usr/sbin

VGCHANGE=${sbindir}/vgchange
VGSCAN=${sbindir}/vgscan
MOUNT=/usr/bin/mount
UMOUNT=/usr/bin/umount
GREP=/usr/bin/grep
SYNC=/usr/bin/sync

# ---------------------------------------------------------------------------
# usage
# ---------------------------------------------------------------------------
usage()
{
cat <<EOF

 Usage:
 ${0}
                -q, --quiet      suppress all normal output
                [start]
                [stop]
EOF
}

# ---------------------------------------------------------------------------
# start lvm
# ---------------------------------------------------------------------------
lvm_start()
{
     boot_mesg " * Scanning for LVM volume groups ..." 
     loadproc  ${VGSCAN} --mknodes --ignorelockingfailure --cache 2>/dev/null
    
     boot_mesg " * Activating LVM volume groups ..."  
     loadproc  ${VGCHANGE} -a y --ignorelockingfailure 
}

# ---------------------------------------------------------------------------
# stop lvm
# ---------------------------------------------------------------------------
lvm_stop()
{
        volume="$(${MOUNT} | ${GREP} 'dev/mapper')"

        if [ -n "${volume}" ]
        then
            echo "${volume}" |
            while read dev on point type typ options
            do
                ${UMOUNT} ${dev}
            done

            boot_mesg " * Deactivating LVM volume groups ..."
            loadproc ${VGCHANGE} -a n --ignorelockingfailure 
            ${SYNC}
        fi
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

while [ "${#}" -gt 0 ]
do
    case "${1}" in
    -q|--quiet)
        _quiet=true
        shift
        ;;
    *)
        _action="${1}"
        shift
        ;;
    esac
done

case "${_action}" in
    start)
        lvm_start
    ;;
    stop)
        lvm_stop
    ;;
    *)
        usage
        exit 1
    ;;
esac

exit 0
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------