Why does lsmod not show the mt or SCSI card modules as being loaded?

Release Found: Red Hat Enterprise Linux

Symptom:

I am installing a tape drive that is set-up on it's own SCSI card (Adaptec) and it is not appearing in the system using: cat /proc/scsi/scsi.

Solution:

If lsmod does not show the mt or SCSI card modules as being loaded, you can l...