Martin Oehler wrote:
> 
> Chris Marble wrote:
> > 
> > Martin Oehler wrote:
> > >
> > > I use amanda on a solaris 7 box with a DTL drive (20 GB)
> > > attached. My dumpcyle is 4 weeks with 20 runs per cycle.
> > >
> > > Because the size of one incremental backup is only
> > > between 2-4 GB I don't want to change the tape each day.
> > 
> > You could crank your dumpcycle down to 3 (or whatever number would get
> > Amanda to use most of your tape capacity).
> 
> Hmmm, I didn't want to use a constant value because it
> can happen that there is a 8 GB or 10 GB incremental backup.
> 
> Is there a way I can calculate the needed size on tape (approx.)
> before the backup process starts?

madmin <config> balance
will try and figure out how much needs to go on each tape in a dumpcycle.
I'm suggesting that you lower dumpcycle so you might get a full backup of
one partition every day and incrementals of the others.
-- 
  [EMAIL PROTECTED] - HMC UNIX Systems Manager
  My opinions are my own and probably don't represent anything anyway.

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