# root-#->more get_free_disk.sh
# 
export name=`uname -n`
rm ${name}_disks.txt
# 
/etc/vgdisplay -v 2>&- | \
        sed -n -e '/PV Name/s/^.* //' -e 's/dsk/rdsk/p' | \
        xargs -n1 echo  > ${name}_used.txt
# 
ls /dev/rdsk/* > ${name}_avail.txt
# 
sort -u -o ${name}_avail.txt ${name}_avail.txt
sort -u -o ${name}_used.txt ${name}_used.txt
# 
diff ${name}_used.txt ${name}_avail.txt | grep dev | \
	sed -n -e 's/> //p' |sort -u -o ${name}_parse.txt
# 
for i in `cat ${name}_parse.txt `
do
  for j in `echo $i | sed -n -e 's/\/dev\/rdsk\/c//p'| \
	sed -n -e 's/d0s2//p' |  xargs -n1 echo`
        do
          ioscan -fk -C disk | grep "  ${j} " | \
		awk '{ print $3 } ' >> ${name}_disks.txt
        done
done
# 
sort -u -o ${name}_disks.txt ${name}_disks.txt
rm ${name}_used.txt ${name}_avail.txt ${name}_parse.txt