I've been fighting similar behavior in 6.5 as well.  MP4 was working well
with watermarks, but not now.  

I did Catalog searches of images on my DSSUs and their were almost
universally duplicates on tape, but NB was not pushing those off of disk.

Pondering opening a call... 

> -----Original Message-----
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu 
> [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf 
> Of osonder
> Sent: Wednesday, October 03, 2007 7:33 AM
> To: VERITAS-BU AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] Full diskstaging unit
> 
> 
> Hello
> 
> I have NB 6.0 mp5 running backups to a disk cab. All data on 
> disk cab is so being staged to tape.
> The disk cab is always nearly full, so we can do fast restore 
> from disk.
> 
> When new backup jobs running it will delete the oldest images 
> on the disk cab. But yesterday some policies failed, with 
> status 129, disk stating unit full.
> 
> Why? NB should automatically have deleted files so that a new 
> backup could run.
> 
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> 
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