Yes, one Windows FD job at a time is a bacula windows limitation and not 
a Windows limitation.  Bacula Systems is currently developing code to 
remove this restriction and when it is done I will attempt to make it 
available to the community.

Best regards,
Kern

On 03/03/2016 07:32 PM, Davide Giunchi - Diennea wrote:
> Hi,
> If i run two concurrent jobs on the same windows 2012 client with VSS enabled 
> on the same windows unit, i get the second job waiting for the first job to 
> finish.
> It's a VSS related issue, because bacula show the two jobs as "running" but 
> the second job is not doing anything. When the first job finish, the second 
> job create the vss:
>
> Generate VSS snapshots. Driver="Win64 VSS"
>      Snapshot mount point: E:\
>
> and then it really start.
>
> Arno discussed the same problem in 2008 
> https://adsm.org/lists/html/Bacula-users/2008-04/msg00140.html
> "VSS might prevent that, though. I'm not sure, but I believe it's not  so 
> useful to try and create several VSS snapshots of one volume at the  same 
> time."
> and in 2014 at the bacula conference 
> http://www.baculaconference.org/wp-content/uploads/2014/03/Arno-Lehmann.pdf 
> on page 8, about improvements to be made on windows client:
> "More than one VSS job concurrently"
>
> So it's a bacula-windows fd limitation and not a windows one?
> bacula-fd actually can handle only one vss snapshot at the same time?
>
> Thank you
> Regards
>
>
> Davide Giunchi
> IT Executive @ Diennea - MagNews
> Viale G.Marconi 30/14 - 48018 Faenza (RA)
>
>
>
>
>
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