On Tue, 12 Aug 1997, Behan Webster wrote:
> Dale Martin wrote:
> >
> > 1) It tars directly to a device - not to a filesystem. This means one
> > backup (full, differential, or incremental) per disk, yes? I haven't
> > looked too hard yet - hacking the script to tar to a filesystem can't
> > be that hard, though.
>
> Nope. Tob allows you to put multiple backups on the same tape.
> It uses mt(1) to go to the right place on the tape (you must use
> the non rewinding tape device to get this to work however). I
> believe tob defaults to putting a full backup at the beginning
> of a tape, a diff is written in the second spot, and incrementals
> are appended to that.
The question above seems to me to suggest Dale wants to do a single backup
to multiple devices (i.e. a bunch of floppies) rather than the other way
around. Anyway, if that is the case, both tar and afio have support for
multivolumes, although given that afio archives each file whereas tar
makes one large archive, if you are going to multiple floppies, perhaps
afio would be a better idea?
Cheers.
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Colin R. Telmer, Institute of Intergovernmental Relations
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