Mount LVM in Ubuntu

I just migrated from RedHat to Ubuntu on a server at my office.

We had Logical Volumes on the RedHat server, and we need the data off of that drive.

mount: unknown filesystem type 'LVM2_member'

Thank goodness somebody smarter than me had run into this before. Here's how you mount a LVM in Ubuntu:

http://www.linux-sxs.org/storage/fedora2ubuntu.html

Note: I did not have to `modprobe dm-mod`.