Specify ranges of physical extents at the end of the command line along with --alloc anywhere to get the layout of your choosing. e.g. lvcreate ... /dev/sdb:0-2000 /dev/sdc:0-2000 /dev/sdd:0 (Sometimes you need to force a single-extent gap to make it do what you want, so sdb:0 sdb:2-2000 ...) Alasdair