On Wednesday 13 July 2005 18:12, Alan Brown wrote:
> On Wed, 13 Jul 2005, Kern Sibbald wrote:
> >> I am seeing this behaviour with truely blank LTOs too.
> >>
> >> Try writing 2 EOFs to the start of the tapes and try it again.
> >>
> >> No, but bacula needs to detect the tapes are blank, rather than
> >> empty/erased.
> >
> > Huh. What is the difference?
>
> There is something on the tape which bacula doesn't like when it scans the
> start of the tape. Writing an EOF solves the problem but it means tapes
> need massaging and can't simply be unwrapped, labelled and stuck in
> magazines.
Well, this is a function of the drive and the OS. Bacula does a read of the
tape. If you have an old stupid drive an the tape is blank, it runs away. If
you have a modern drive and a good OS, it should report some sort of "error",
in which case Bacula will assume the tape is not labeled and proceed with
labeling and using it. I don't know what more I can do.
>
> >> This is an area which clearly needs some work... :-)
> >
> > Please be a bit more specific.
>
> Testing of what's seen by LTO drives using various brands of blank media
> to see if it varies or is consistent.
>
> I'd liken it to the difference between a formatted and an unformatted
> floppy disk....
>
> AB
--
Best regards,
Kern
(">
/\
V_V
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