On Tue, Mar 25, 2003 at 05:42:27PM -0600, Marc W. Mengel wrote:
> 
> 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.

Do you mean that amanda will change the label of one tape to match the
other if they do not already match?

If it were striping, I thought there would be some ordering necessary
so that the labels, or tape header, would have to differ.
-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
 JG Computing
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