Quoting Petr Pøerost <pprerost AT HTD DOT CZ>:

> Is it possible to use encryption with compression ? What is first
> compression or encryption
> ( I believe compression but I didn't find any info in TSM documentation
> ) ?

I attended the IBM Storage Symposium last year. The handout for session
A01, "Tivoli Storage Manager: What's New Since it Was ADSM" states
explicitly that "encryption occurs after file compression". This session
was given by Randy Larson, Advanced Technical Support.