Johan,

Your problem is here:

On Wednesday 18 June 2008 11:15:32 Johan Booysen wrote:
> chg-manual contains:
>
> firstslot=1
> lastslot=1

You'll need to have more than one "slot" if you want to use multiple tapes. 
Just increase 'lastslot' to 2 (or even to the total number of tapes you 
possess), and Amanda will dutifully send you an e-mail asking for the next 
tape.

Cheers,

--Ian
-- 
Zmanda: Open Source Backup and Recovery.
        http://www.zmanda.com