Tapes are marked 100 % use because modern autochanger use barcode reader for 
exemple to know the type of the tape used (lto3 for exemple) and so the 
software do know the tape nominal capacity. However, Networker use compression. 
So when it says 100 % there maybe still be 50 % of the tape available.

> Date: Tue, 22 Dec 2009 10:26:14 -0500
> From: networker-forum AT BACKUPCENTRAL DOT COM
> Subject: [Networker] Re-using tape?
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> 
> Tapes are re-used by re-labeling them into a media pool manually or 
> automatically by the software. tapes are re-used only when all the savesets 
> it contains are marked recyclable.
> 
> a tape that's marked 100% will still have some space left in it and the 
> software will pick up from there during the next backup until that tape is 
> filled. at this point, the tape will be marked "full" and the "appendable" 
> will disappear.
> 
> it doesn't matter whether the tape is at 10 % or 50 % or full, the tape is 
> re-used automatically (if so configured) once its savesets are recyclable. 
> Manually re-using the tape should be done with caution.
> 
> 
> opopanax 
> 
> 
> 
> Garcia wrote:
> > Totally new to Legato Networker (7.4.4) and need to know how to make some 
> > tapes re-usable for backups. Tapes appear marked as appendable but the % 
> > Used still 100%, Is the backup job going to re-use these tapes or do I have 
> > to change something here in order to re-use them?? Step by step will be 
> > nice for this newbie . .  Hoping this is an easy one for all the experts in 
> > this cool forum. 
> > Thanks for your help. [Question]
> 
> 
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