Re: [Bacula-users] tape error and bacula: ...block numbers differ

Kern Sibbald schrieb:
> On Saturday 07 February 2009 11:33:58 Ralf Gross wrote:
> > Kern Sibbald schrieb:
> > > 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.
> >
> > The verify job hasn't found any errors, so it seems that all data
> > that was backed up could be read.
> 
> Verify will not find missing data, unless you restored everything and 
> compared 
> it to the original, so I am still a bit skeptical ...

Ok, understood.
 
> >
> > I still think it would be a good thing if bacula notifies the
> > user about this problem by mail and in the final job output.
> 
> Once the message is sent by Bacula, you have full control over how to send 
> it.  
> It is just a question of configuring your Bacula.

I think I misunderstand you here. Do you say bacula should have sent an message
about this problem? Because bacula didn't and that's my point ;)

This is the messages resource:

Messages {
  Name = "Regular Backup"
  mailcommand = "/usr/sbin/bsmtp -h localhost -f \"Bacula\" -s \"Bacula: %t %e 
of %c %l\" %r"
  operatorcommand = "/usr/sbin/bsmtp -h localhost -f \"Bacula\" -s \"Bacula: 
Intervention needed for %j\" %r"
  operator = root@localhost = mount
  operator = xxxxxx  = mount
  MailOnError = root@localhost = all, !skipped, !terminate
  MailOnError = xxxxxx = all, !skipped, !terminate
  console = all, !skipped, !saved
  append = "/var/log/bacula/bacula.log" = all, !skipped
}

I get notifications about other errors, but not this one.

 
> I have modified the current development version so that any difference of 
> block numbers greater than one causes the Job to fail rather than simply 
> report an error.


Thanks, Ralf

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