On 19-11-2014 18:52, Josh Fisher wrote:
> On 11/19/2014 11:10 AM, hei...@bacula.com.br wrote:
>> Is it a bug that bacula cannot write to multiple drives for the jobs
>> in the same pool? Will there be a fix. Back in March 2014 Wolfgang
>> Denk wrote "it can" but how?
>>
>> http://adsm.org/lists/html/Bacula-users/2014-03/msg00212.html
>>
>> It's not a bug, but just the way it's designed.
>> "Prefer Mounted Volumes=no" it's a directive that could allow to
>> write multiple volumes within the same pool at the same time, however
>> this is a little buggy and not recommended at this time.
>
> It's not a bug, but it is a little buggy??
>
> I think that the only problem with setting "Prefer Mounted Volumes =
> no" is that it will result in a lot of moving of a volume back and
> forth between drives. While it might not be a bug, since it works as
> advertised, it CAN be a problem. For tape, it will really slow things
> down because it takes a substantial time to move a tape out of one
> drive and into another. For disk virtual autochangers, though, the
> moving between "drives" is simply closing a disk file and then
> re-opening it, meaning that the delay is very negligible.
>
I would really prefer autochanger to move volumes back and forth rather
than wait a couple of hours for the job to finish especially when there
are 3 drives just sitting lazy.
> If there is some other issue, like a race condition that I am not
> aware of, then that would indeed be a bug in my book. But I have used
> PreferMountedVolumes=no for disk virtual autochanger without (so far)
> encountering any such problems, just the swapping between drives. And
> for disk virtual autochangers, I don't see that as a problem in and of
> itself.
>
>>
>> Regards,
>> =========================================================================
>> Heitor Medrado de Faria - LPIC-III | ITIL-F
>> Faltam poucos dias - Treinamento Telepresencial
>> Bacula: http://www.bacula.com.br/?p=2174
>> 61 2021-8260 <tel:%2B55%2061%202021-8260> | 8268-4220
>> <tel:%2B55%2061%208268-4220>
>> Site: www.bacula.com.br
>> <http://www.bacula.com.br/> | Facebook: heitor.faria
>> <http://www.facebook.com/heitor.faria> | Gtalk: heitorfa...@gmail.com
>> <mailto:heitorfa...@gmail.com>
>> ==========================================================================
>>
>
>
>
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