#!/usr/bin/ksh

# This script is made by Hannu Valtanen 22.11.2000
# Hannu Valtanen Oy 
# http://www.valtanen.com
# hannu@valtanen.com

# Use this script at your own risk.

usage()
{
        echo "$(basename $0) -d|-t tape_device|-r " 1>&2
	echo "	-d		VGs Backup Diskette" 1>&2
	echo "	-t tape_device	AIX and VGs Tape" 1>&2
	echo "	-r 		Remove old VG backups." 1>&2
        exit 1
}

TA=off DI=off RE=off BA=off
while getopts ':dtr' OPTION
do
        case $OPTION in
                d)      DI=on BA=on;;
                t)      TA=on BA=on;;
                r)      RE=on ;;
                :)      echo "$NAME: A flag requires a parameter: $OPTARG" 1>&2
                        usage ;;
                \?)     [[ "$OPTARG" != '?' ]] &&
                        echo "$NAME: Not a recognized flag: $OPTARG" 1>&2
                        usage ;;
        esac
done
shift OPTIND-1

[[ "$TA" = "off" && "$DI" = "off" && "$RE" = "off" ]] && usage
[[ "$TA" = "on" ]] && (($#!=1)) && usage

if [[ "$TA" = "on" ]]
then
	OK=false
	for X in $(lsdev -Cctape|grep " Available "|awk '{print $1}')
	do
		[[ "$X" = "$1" || "/dev/$X" = "$1" ]] && OK=true	
	done
	[[ "$OK" = "false" ]] && usage 
	TAPE=/dev/$(basename $1)
fi

if [[ "$RE" = "on" ]]
then
	rm /etc/savevg.* 2> /dev/null
fi

[[ "$BA" = "off" ]] && exit

touch /etc/savevg.$(date '+%d%m%Y')
for VG in $(lsvg -o|grep -v "^rootvg$")
do
        lsvg -l $VG|awk '{print $NF}'|grep "^/" > /etc/exclude.$VG
        /usr/bin/savevg  -f /etc/savevg.$VG.$(date '+%d%m%Y')  '-i' '-e' '-X' $VG
done

if [[ "$DI" = "on" ]]
then
	ls /etc/savevg.* > /tmp/bvg.$$
	echo "/etc/bvg
/etc/rvg" >> /tmp/bvg.$$
	cat /tmp/bvg.$$|backup -ivpq
	rm /tmp/bvg.$$
fi

if [[ "$TA" = "on" ]]
then
	/usr/bin/mksysb   '-i' '-X' $TAPE
	tctl -f $TAPE offline
fi