Am Montag, 11. September 2017 14:54:35 UTC+2 schrieb Jörg Steffens:
> On 11.09.2017 at 14:34 wrote 'Yannic' via bareos-users:
> > Hey,
> > 
> > lately I am evaluating Bareos for our NDMP backup to tape.
> > I have several jobs which back up data from our storage via NDMP.
> > 
> > Over the weekend I ran some tests and received following errors:
> > 
> > The first one:
> > 
> > 10-Sep 17:06 bareos-dir JobId 17: Fatal error: ndmp_fhdb_lmdb.c:188 Unable 
> > insert new data at 5341351560: MDB_MAP_FULL: Environment mapsize limit 
> > reached
> > 
> > Multiple of these messages:
> > 
> > 10-Sep 17:06 bareos-dir JobId 17: Fatal error: ndmp_fhdb_lmdb.c:188 Unable 
> > insert new data at 5318666995: MDB_BAD_TXN: Transaction must abort, has a 
> > child, or is invalid
> > 
> > And multiple of these messages:
> > 
> > 10-Sep 17:07 bareos-dir JobId 17: Fatal error: ndmp_fhdb_lmdb.c:336 Unable 
> > get old data: MDB_BAD_TXN: Transaction must abort, has a child, or is 
> > invalid
> > 
> > 
> > 
> > This happened for 2 jobs out of 7. And those 2 jobs did not fail and were 
> > still running an writing data on tapes. 
> > 
> > I have to say that every job has to back up a lot of data (over 40TB). They 
> > all are running at the same time each using one drive of a tape library 
> > (autochanger).
> > 
> > My first guess would be that it has something to do with this job directive:
> > 
> > File History Size = <Size64>
> > (default: 10000000) 
> > 
> > But I am not quit sure what this directive does but if this would be the 
> > problem I would have expected to see these errors on every job.
> > 
> > It would be nice if someone can help me understand where these errors come 
> > from and how I could fix them. Please let me know if you need more 
> > information regarding these errors.
> 
> If I remember correctly, it must be larger than the number of files in
> your backup. It only affects the files known to bareos (list files
> jobid=<NUMBER>), not the backup itself. However, without NDMP File
> History you can only restore all files at once, and don't have single
> file restore.
> 
> Jörg
> 
> -- 
>  Jörg Steffens                   [email protected]
>  Bareos GmbH & Co. KG            Phone: +49 221 630693-91
>  http://www.bareos.com           Fax:   +49 221 630693-10
> 
>  Sitz der Gesellschaft: Köln | Amtsgericht Köln: HRA 29646
>  Komplementär: Bareos Verwaltungs-GmbH
>  Geschäftsführer:
>  S. Dühr, M. Außendorf, Jörg Steffens, P. Storz

Thank you for the quick response and the clarification of the job directive.
I hope I do not ask to much but would you say that this directive (or maybe the 
wrong setting for it) could cause the errors I posted above?

Cheers

Yannic

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