Allegedly, on or about 20 December 2013, bruce sent:
The drive in question has multiple partitions, but I was only trying to access the drive as a "raw/data" drive if that was/is possible.
the sys monitor app lists the file systems for the drive as being: /dev/mapper/vg_dell45-lv_root / /dev/mapper/vg_dell45-lv_apps /apps /dev/mapper/vg_dell45-lv_backup /backup /dev/mapper/vg_dell45-lv_boot /boot /dev/mapper/vg_dell45-lv_home /home
so i assume in order to "see" the drive in the usb bay on the new system, i'd mount the drive/partitions using the dir or devicename which would then get the actual partition/drive contents.
I think you've probably got your answer, by now. But for the sake of putting an answer with this thread, mounting LVM partitions requires using the tools for LVM (type lv and hit tab in the command line, then look up instructions for the various lv* commands it finds).
This works somewhat differently than mounting ordinary partitions and drives. I'm not aware of a desktop that will let you simply plug in and double-click on an icon to mount a logical volume, like you can with ordinary volumes (flash drives, USB hard drives, etc).