[CentOS] centos5.5 text install forcing me to add all disks to LVM volgroup

[Dave]

On Mon, Jun 28, 2010 at 3:16 PM, Robert Heller <heller at deepsoft.com> wrote:
> At Mon, 28 Jun 2010 14:15:20 -1000 CentOS mailing list <centos at centos.org> wrote:
> > So, am I stuck? It seems like my only option is to go ahead and add both
> > disks, then try to remove one of the disks after completing the install. Is
> > there some sort of workaround for this?
>
> You should *manually* remove the partitions and *manually* partition
> /dev/sda the way you want, with the basic set of file systems (/boot, /,
> /home, etc.).  The defaults are just not appropriate for what you are
> doing.

So you're saying that if I use the default partitioning for sda, I
have touch sdb also? There is no way to make the text installer
install a default setup on sda and just leave sdb alone? Is this a
feature?

mahalo,
Dave