login as root backup all !!!
2. partition new drive (one primary partition is fine)
logout all users
init 1 will do and enter maintenance mode
mv /home /oldhome (rename, wont use more disk room)
mkdir /home as mounting point
mount /home /your new disk partition (hdb1?)
make /etc/fstab entry for /home (5. modify /etc/fstab to include /dev/hdxx /home reiserfs acl,user_xattr 1 3)
move contents of /oldhome to /home mv wont do across disks AKAIK. cp -a or tar instead
return to init 3 or 5 (your usual one) test and retest the move, where there soft links in /home? wait some time before
delete /oldhome and contents (rm -R /oldhome, IIRC)
double check all!!! jdd -- http://www.dodin.net http://dodin.org/galerie_photo_web/expo/index.html http://lucien.dodin.net http://fr.susewiki.org/index.php?title=Gérer_ses_photos