I don't think you are doing anything wrong....I think 2000MB is the maximum
fragment size in NB5.1MP4.

On Thu, 22 Jun 2006, Bob Stump wrote:

> Date: Thu, 22 Jun 2006 11:14:36 -0400
> From: Bob Stump <stumpb at michigan.gov>
> To: bob944 <bob944 at attglobal.net>, Kathryn Hemness <kfhemness at 
> ucdavis.edu>
> Cc: veritas-bu at mailman.eng.auburn.edu
> Subject: Re: [Veritas-bu] Disk-Based backups having empty final fragments
>
> What am I doing wrong?
> I can only get a max maximum of 2GB for Max Frag Size on my dstores and
> dssu's
> NB 5.1 MP4 solaris_9
>
> $ sudo bpstulist -L -label dssu04
>
> Label:             dssu04
> Media Type:        Disk Staging (6)
> Host Connection:   mediasvr1
> Concurrent Jobs:   12
> On Demand Only:    yes
> Path:              "/dssu04"
> Robot Type:        (not robotic)
> Max Fragment Size: 2000
> Max MPX:           1
>
>
>
>
> >>> Kathryn Hemness <kfhemness at ucdavis.edu> 6/22/2006 10:53 AM >>>
>
> Thanks, Bob.
>
> The technote described my problem exactly......
>
> I'm planning on migrating to a new server this summer, so I'll make
> sure
> I install NB5.1MP5.  Upgrading to NB6.0 is too ambitious for the
> summer
> since major releases change outputs of many administrative commands
> I use.
>
> In the meantime, has anybody tried fooling NetBackup by creating a
> non-zero-sized fragment full of 0's?
>
> On Thu, 22 Jun 2006, bob944 wrote:
>
> > Date: Thu, 22 Jun 2006 02:21:03 -0400
> > From: bob944 <bob944 at attglobal.net>
> > To: veritas-bu at mailman.eng.auburn.edu,
> >      'Kathryn Hemness' <kfhemness at ucdavis.edu>
> > Subject: RE: [Veritas-bu] Disk-Based backups having empty final
> fragments
> >
> > > I'm running disk-storage-unit backups (not the disk-staging
> > > storage units) on a NB5.1MP3 Solaris 9 server.  I've
> > > configured my storage units for a 2000MB fragment size.
> > >
> > > Occasionally, I run into backup images which exactly fill the
> > > fragments exactly and bpimagelist shows a final zero-sized
> > > fragment which doesn't exist on the storage unit.  I haven't
> > > been able to duplicate these backups to tape.  I've tried
> > > touching a file having the same name as the final fragment,
> > > but without success.  I've ultimately had to expire the backup.
> > >
> > > Does anybody have a workaround for this?  It seems like this
> > > is a potential problem regardless of the storage unit's
> > > fragment-size configuration.
> >
> > Sounds like the bug mentioned here a few postings ago:
> >
> > > > Also, what if the fragment size is 32GB and the backup is
> > > > exactly 32GB? Are two fragments written or one?
> > >
> > > Yes.  :-)  See technote 280018 for a pre-5.1MP5 or pre-6.0MP2 bug
> > > related to this.
> >
> > So, check out http://seer.support.veritas.com/docs/280018.htm
> >
> > NetBackup 6 has a default disk STU frag size of 0.5TB (see the SAG),
> so
> > a larger frag size, up to your OS's file-size limit, is also an
> option.
> >
> >
>
> --kathy
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>

--kathy