On 11.09.2017 at 17:13 wrote 'Yannic' via bareos-users:
> 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?

yes


-- 
 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

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