Had a similar problem, recommend that you make a case at Symantec and
get the needed nbrb tweaks for you environment.

Hope that if enough people do this, that Symantec then does something
about it in a coming maintence pack

Regards
Michael

2008/5/19, Mark Glazerman <Mark.Glazerman AT spartech DOT com>:
>
>
>
> Does anyone know if they made any changes to how DSU's are utilized in 6.5.1
> ?
>
>
>
> We recently upgraded to NBU 6.5.1.  That is the only difference in our
> backup environment.  The hardware, network settings, policies and schedules
> are all exactly the same as our 6.0 MP4 setup.  Everything was imported via
> full catalog restore.  We send all of our backups to 2 Data Domain disk
> storage devices which then replicate to our DR site.
>
> Since the 6.5.1 upgrade, huge swathes of our backups have been sitting
> queued until their backup window closes before returning a 196.  We don't
> really want to start playing around with the schedules as they were working
> just fine prior to the upgrade.  We are looking into the Open Storage option
> (OST) but this is more from the point of view of adding additional
> functionality rather than bringing 6.5.1 up to par with 6.0 when using disk
> storage !!
>
>
> Does anyone have any ideas on what might have changed regarding policy
> execution, job scheduling or NBU's handling of disk Storage that could be
> causing this new and very annoying issue ?
>
>
> Thanks
>
> Mark
>
>
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