#!/bin/sh

if [ -d difftmpdir ];then
rm -r difftmpdir
fi
if [ -f newdiskorder ];then
rm -r newdiskorder
fi
if [ -d working ];then
rm -r working
fi
cp -r clients/$clientdir working

mkdir -p difftmpdir
usb=`blkid |grep home-rw|cut -d: -f1`
usb=${usb%?}
fdisk -l |grep /dev|grep -v $usb|grep -v /dev/md|grep :|cut -d: -f1|cut -d" " -f2|while read line;do
l=`echo $line |cut -d"/" -f3`
echo "/dev/"$l>difftmpdir/hdparm.$l
hdparm -i $line |grep Serial|cut -d, -f3 >>difftmpdir/hdparm.$l
done
for i in `ls difftmpdir`;do
diff difftmpdir/$i clients/$clientdir/diskinfo/$i >>/dev/null
  if [ ! $? = 0 ];then
oldserial=`grep Serial clients/$clientdir/diskinfo/$i`
oldev=`grep /dev clients/$clientdir/diskinfo/$i`
	for n in `ls difftmpdir`;do
	grep $oldserial difftmpdir/$n>/dev/null
		if [ $? = 0 ];then
		newdev=`grep /dev difftmpdir/$n`
		echo "device " $oldev "has become " $newdev
		echo $newdev " previously " $oldev>>newdiskorder
		fi

	done
  fi
done