On Fri, Nov 04, 2005 at 11:36:39AM +0100, Nicki Messerschmidt, Linksystem 
Muenchen GmbH wrote:
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> Paul Bijnens said the following:
> > Nicki Messerschmidt, Linksystem Muenchen GmbH wrote:
> >>has anyone a setup where the rait driver of amanda is used to place
> >>Backups onto tapes and virtual tapes (using the chg-multi) at the same
> >>time? Are there drawbacks and what problems could arise?
> >>I already use both of them separate (on different hosts), but I'm not
> >>sure about the rait setup...
> > I'm planning so set up something like that over the next weeks.
> > I'll summarize on the list when I get to it.
> Would be nice. As I read the RAIT driver only does RAIT-5, but I want
> RAIT-1. Or is there some other way for mirroring tapes?
> 

I'm not certain of this because reading the docs I saw doesn't mention it.
However ...

If I recall correctly, since the amanda RAIT driver tries to do a parity
drive, impossible with only two drives, if you have only two drives specified
it falls back to a mirror configuration.

-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
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