On Thu, 20 Feb 2003, Jon LaBadie wrote:

> On Thu, Feb 20, 2003 at 11:48:36AM -0000, Keith Hall wrote:
> > Just wondering if RAIT would allow 'RAIT 1' type thing where you can write
> > two tapes at the same time (one goes offsite, for example). At the moment we
> > have to run a loopy dd script to copy the original tape..
> >
> > How does Amanda deal with tape labels with RAIT then, does it check if both
> > tapes are correct?
>
> Add-on question.
>
> How does the index deal with mirrored tapes.  If one of the pair is 
> overwritten
> or amrm'ed, does the index still know about the other tape?  Does this imply 
> the
> index is 2x the size for a mirror'ed arrangement?

The pair of tapes (or triple of tapes, etc.) is one logical tape to amanda
when it is doing RAIT.  If it is done as a two-drive stripe, then both
tapes are identical -- they have the same label on them, etc.