duh. found what i was looking for. apparently, i shouldn't be "upgrading" but "expanding": http://linux-raid.osdl.org/index.php/Growing#Expanding_existing_partitions Charles Mangin Option8, LLC - Making Macs happy since 1999. option8 at option8.com | http://www.option8consulting.com mobile: 919.368.7167 skype: option8llc