It is the NetBackup images and image fragments that are generated by the 
backup.
The backup id is included in the written filename, so identifying them is easy.
--PLB

At 10:13 AM 03/22/2001 -0800, Raymond Jackson wrote:

>   When NBU backs up to disk media what
>actually gets put on the disk?  Is it the files
>being backed up or a series of tar files such
>as it would write to tape?
>
>   Robert;
>
>   Depending on what your customer is trying to
>do another possibility is to send incrementals
>to disk storage and fulls to tape.
>
>Ray
>
>"David A. Chapa" wrote:
> >
> > I'm not sure of what they are ultimately wanting, but
> > without using HSM you could do as you described.  Then
> > I would run bpduplicate to duplicate those images on
> > disk to a tape storage unit (which I'm fairly certain
> > you can do).  If the disk is only to be used
> > temporarily, then you'd want to expires those imags on
> > disk after the duplication and then change the new
> > primary copy to 2 for restoration purposes.
> >
> > With HSM,  you could use it to migrate those images
> > stored on the Disk storage unit to tape.  the only
> > problem there is for restores.  You'd have to demigrate
> > then do the restore.  Whereas in the first example your
> > restores would come right from tape.
> >
> > just a thought.
> >
> > david
> >
> > Quoting "Buck, Robert M"
> > <BuckRM AT northamerica.stortek DOT com>:
> >
> > > I have a customer that is currently using NBU and
> > backing up directly to
> > > STK
> > > tape drives in STK silos. They now want to backup to
> > disk first and at some
> > > later time move that data to tape. What is the
> > cleanest way to do that. I
> > > know Veritas has a HSM utility but I have never seen
> > it. Is that the best
> > > way to go? Are there other options? Could you just
> > make a "disk" storage
> > > unit" and backup to that first then backup to tape as
> > a different SU next?
> > > Any other ideas would be greatly appreciated. The
> > shop is a open systems
> > > shop, mostly sun.
> > >
> > >
> > > Bob Buck
> > > Systems Engineer
> > > Phone (303) 661-2274
> > > Fax (303) 673-5851
> > > mailto:buckrm AT northamerica.stortek DOT com
> > > <mailto:buckrm AT northamerica.stortek DOT com>
> > > One StorageTek Drive   Mail Stop 3229
> > > StorageTek
> > > INFORMATION made POWERFUL
> > >
> > > _______________________________________________
> > > Veritas-bu maillist  -  Veritas-
> > bu AT mailman.eng.auburn DOT edu
> > >
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-
> > bu
> > >
> >
> > <><><><><><><><><><><><><><><><><><><><>
> > David A. Chapa
> > Consulting Manager
> > DataStaff, Inc.
> > 847 413 1144
> > http://www.consulting.datastaff.com
> > ---------------------------------------
> > NBU-LSERV AT datastaff DOT com - Adv. Scripting
> > _______________________________________________
> > Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
>_______________________________________________
>Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
>http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu