I just went through the same fun exercise. The document I found most useful
was "Tivoli Data Protection for Oracle for UNIX Installation and User's
Guide" which is available on the web at:
http://www.tivoli.com/support/public/Prodman/public_manuals/storage_mgr/adma
nual.html
George Hays
Unix Systems Administrator
EDS
(916)859-6901
george.hays AT eds DOT com