On Mon, Mar 05, 2007 at 06:34:08PM +0100, Kern Sibbald wrote:
> On Monday 05 March 2007 16:57, [EMAIL PROTECTED] wrote:
> > On Sun, Mar 04, 2007 at 10:28:29PM +0100, Arno Lehmann wrote:
> > > On 3/3/2007 12:24 PM, Christoph Litauer wrote:
> > > > a few of my autochanger tapes have VolStatus: Error. This is because
> > > > the number of files in the catalogue didn't match the number of files
> > > > on the tape. I don't know why this happend, is it a known bug of
> > > > version 1.38.9?
> > >
> > > Not a known bug, I think.
> >
> > I'm also seeing this using Bacula 2.0.1 on RHEL-4 with a jukebox
> > holding two LTO-3 drives.  It's an intermittent problem that I haven't
> > been able to reproduce reliably, so I haven't opened a bug report on
> > it yet.
> >
> > > Usually these errors happen in two situations:
> >
> > Let me add a third: when a job terminates with a "Fatal" error (those
> > with a job status code of 'f'), rather than the more common "Error"
> > error (those with a job status of 'E').
> >
> > Here's my situation: I'm backing up both servers and laptops using the
> > same hardware and software, but with different tape pools.  The
> > servers never encounter this failure condition; it happens to the
> > laptops about once every week or two.
> >
> > After watching the situation for a while, it seems that the failure
> > pattern is that these file mismatch errors always occur after a fatal
> > client error, which in turn is caused when a job begins, writes some
> > data to tape, and is then unable to continue because the client
> > machine has been shut down or taken off the network.
> 
> The above is a known bug (at least to some of us) in 1.38.x.  It is fixed in 
> 2.0.x  

Thanks for the explaination Kern, I wasn't aware that that had been
corrected.  Since I'm currently running version 2.0.1 of the Bacula
director, storage daemon, and related server bits, can I assume that
the problem is with the remaining version 1.38.x clients, and that
upgrading them will eliminate the problem?

> >
> > > When the tape is not properly "finished" by Bacula, for example because
> > > of a catalog, SD or DIR crash, or when you restart your Bacula server
> > > while jobs are running. Also, when the tape fills and the final EOF
> > > can't be written to tape that might cause this state.
> > >
> > > The other possibility is an improper setting of the device parameters.
> > > These would be detected by btapes 'test' command most of the time.
> > >
> > > When you change these settings and continue to use tapes started with
> > > different settings I *guess* the file count mismatch could happen, too.
> > >
> > > > Nevertheless: I need to reuse these errored tapes. Are they
> > > > automatically reused after alle jobs are purged? Is an errored tape
> > > > still used in recovers? How can I list all jobs on an errored tape?
> > >
> > > Most important things first: You can use the query command to list all
> > > jobs on any volume.
> > >
> > > These tapes are not automaticall reused (recycled), and as far as I know
> > > they are also not used for restores.
> > >
> > > If the error is only at the end of the tape data (which would be the
> > > most usual situation) you can simply update their status to used and
> > > they will be used for restores and recycling. If you're unsure, compare
> > > the output of bls with what the catalog tells you.
> > >
> > > In the job reports for these tapes, you should usually find when this
> > > error occured. Most of the time, I find that when a tape is freshly
> > > loaded and positioned to the end of data, Baculas sanity checking finds
> > > the problem and marks the tape to be erroneous.
> > >
> > > In these cases, I think it's safe to set the status to 'Used'.
> > >
> > > If you encounter these problems regularly, I'd assume your setup is
> > > somehow malfunctioning. If, like I do, you run lots of tests of beta
> > > versions, or have hardware-related problems, you'll find many of these
> > > errors but they won't mean anything unexpected :-)
> > >
> > > Arno
> > >
> > > > Thanks a lot in advance!
> > >
> > > --
> > > IT-Service Lehmann                    [EMAIL PROTECTED]
> > > Arno Lehmann                  http://www.its-lehmann.de
> > >
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