level=$1
#
# Construct basename for dump records
FS=`echo $2 | sed -e '1,$s?/?:?g'`
echo Dump root = $2   Level = $level
echo -n Finding files to dump...
DUMPFILES=/tmp/backup$$
date +"%b %d %H:%M" > /var/adm/dumpafio/newdump$$
#
# If it is a level 0 dump simply dump everything...
if [ $level = 0 ]
then
find -x $2 | grep -v -f /var/adm/dumpafio/DONTDUMP > ${DUMPFILES}
echo done
#cat ${DUMPFILES} | afio -G 2 -o -v -f -b 5120 -c 1000 -s 100000x -Z /dev/nrst0
else
#
# Otherwise dump only stuff newer...
#
# Get the date of the most recent dump with the highest level <= $level]
#prevdump=`ls --reverse /var/adm/dumpafio/${FS}.[0-${level}] | head --lines=1`
prevdump=`ls -r /var/adm/dumpafio/${FS}.[0-${level}] | head -n 1`
if [ "x${prevdump}" = x ]
then
echo failed
echo backup: No lower level dump - cannot do level $level dump
exit 1
fi
#find -x $2 -cnewer ${prevdump} | grep -v -f /var/adm/dumpafio/DONTDUMP > ${DUMPFILES}
find -x $2 -newer ${prevdump} | grep -v -f /var/adm/dumpafio/DONTDUMP > ${DUMPFILES}
echo done
fi
cat ${DUMPFILES} | afio -G 2 -o -v -f -b 5120 -c 1000 -s 100000x -Z /dev/nrst0
/bin/rm -f ${DUMPFILES}
#
# All higher level dumps are now invalidated
/bin/rm -f /var/adm/dumpafio/${FS}.[${level}-9]
#
# Record date of dump future reference
mv /var/adm/dumpafio/newdump$$ /var/adm/dumpafio/${FS}.${level}