Cube Archival

Dear Experts,

I am new to the requirement of archiving billing cube where Archival cube had already been created in BWT system 3 years ago. I need to do following things where I need your help on how to.

1.I need to compare the transformation/rules between Archival and Original cube (if there is any i need to compare,pls advice)

2.Need to import archival cube,transformation & IOs to Quality system.

3.DTP creation in Quality system and to do the loading of data to be archived

4.Then transport archival cube to Production and then Finally Archiving Original Cube.

Please let me know what are the Pre checks I need to make on already built archival cube and then process of archiving cube in production.

Thanks a ton for your time taken to responds.