> So can anyone of you give me answers to the following questions:
>
> 1. In the backup copy one can specify the number of versions of a file to keep
> in the backup storage pool. But how do I refer to a specific backup version of
> a file when doing a restore with dsm?

In dsm, from the View menu, select "Show active and inactive files". Then, if 
you restore by directory tree, you'll see an "A" or an "I" beside each file, 
denoting active and inactive.

>
> 2. How do I add volumes to a storage pool?

Use "DEFine Volume" to assign each volume to a storage pool. For example:

        DEF V TAPEPOOL2 8MM001 ACC=READW