william.d.brown AT gsk DOT com wrote:
> NetBackup 5.n was licenced by tape drives.  NetBackup 6.n is licenced by 
> TB in the VTL.  I don't know the detail, e.g. is that raw TB etc.  I also 
> don't know if they changed the licencing for 5.n, or if it is still 
> needing drive licences.

The per-TB pricing for VTLs is available in 5.x. I know this because I 
purchased it.

I based it on raw capacity since most VTLs are fairly efficient in their 
consumption. Obviously you do cheat yourself a little due to RAID 
overhead and such, but I don't think it's enough to lose sleep over...

-- 
Michael L. Barrow
michael at michaelbarrow dot name
(Free security available at CAcert.org!)