LinuxSA Mailing list archives

  From: Matthew Geddes <mgeddes@xavier.sa.edu.au>
  To  : Daryl Tester <Daryl.Tester@iocane.com.au>
  Date: Wed, 14 Feb 2001 09:53:26 +1030

Re: Amanda backups (again)

Daryl Tester wrote:
> 
> Matthew Geddes wrote:
> 
> > I'm having more trouble with my Amanda configuration. It did look like
> > the tapes were at fault, but brand new tapes haven't made a scrap of
> > difference (except to the IT budget). Whenever I try to restore from
> > tape, gzip returns an error, telling me 'Invalid compressed data--format
> > violated'.
> 
> What happens when you take Amanda out of the equation?  What
> does a tar czvf to the tape device do?  What does a
> "file - < /dev/rmt-whatever" say?

I did a dd if=/dev/nst0 out to a file and that worked (it's roughly the
right size). doing a 'file' on it tells me that is a gzip'd tar file.
trying to gunzip it gives the same error.

> > I have checked for open files (most of the machines just
> > share things out using Samba, so I stopped Samba well before the backups
> > started and restarted it after).
> 
> This shouldn't affect reading the tape - it's just the files
> that are backed up that become inconsistent, not the backup
> file itself on tape.

I just wanted to make sure ;-)

Thanks,
Matt

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