On Thursday 05 February 2009 12:48:18 Ralf Gross wrote:
> Hello,
>
> > The problem described in the email below is probably an important data
> > loss problem due (most likely) to an I/O error, but more importantly due
> > to a misconfigured tape drive.  From the information I see below, it
> > appears to me that you have lost significant data.  This is probably due
> > to the fact that the HBA or the tape drive is running in asynchronous
> > mode (cached or buffered) while Bacula *requires* you to run everything
> > concerning tapes in synchronous mode -- please see the Tape testing
> > chapter for more information.
> >
> > This data loss due to asynchronous mode will probably also occur when
> > your tape fills.
>
> thanks for your response.
>
> I'm using this drive since 14 months and have backed up several 100
> TBs of data. It's the first time this error occured. It also passed
> all btape tests. The other tapes of this job haven't had any problems.
>
> I could read the whole tape with bls without getting an error.
>
> No doubt that there was an error, either the tape or the drive had a
> problem. What frightens me is the fact that there were no error or
> warning send by bacula. I see the line in the log file, but the job
> finished with status OK.
>
> The only thing that made me look in the log file was the fact that the
> tape was only half filled. I once had a similar problem. A SCSI error
> made a tape useless, but the backup ended with status OK. Only the
> verify job discovered the problem.
>
> Shouldn'd bacula notify the user about this problem and change the
> backup state at least to Warning or Error? Is this something worth a
> feature request?

Bacula does produce an Error message.




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