One way to see Un partitioned space would be as root user to run this script I made.
For example:
./drive /dev/hda
Code:
#!/bin/bash
##### This script calculates hard drive space.
##### example: ./drive /dev/hda
##############################################
# Ensure that root is running the script.
#
WHOAMI=`/usr/bin/whoami`
if [ $WHOAMI != "root" ]; then
echo
echo "You must be root to run this!"
echo
exit 1
fi
##############################################
usage()
{
echo "Usage: $0 /dev/hd#"
exit 1;
}
test "$1" || usage
if ! [ -e $1 ]; then
echo "$1 does not exist. Exiting."
exit 1
fi
if [ -e $1 ]; then
drive=`/sbin/sfdisk -s $1`
echo
for i in `/sbin/sfdisk -l $1 | \
grep -e "^[/dev]" | awk '{print $1}'`;
do
a=`/sbin/sfdisk -s $i 2> /dev/null`
part=$((($a + 0) / 1024))
totalused=$(($totalused + ($a + 0)))
echo "Partition $i used $part MB"
done
echo
else
exit 1
fi
#####
size=$(($drive / 1024))
used=$(($totalused / 1024))
free=$((($drive - $totalused) / 1024 +1))
#
echo " Total drive size $size MB"
echo " Partitioned size $used MB"
echo " Unpartitioned size $free MB"
echo
echo
#####End
