Amanda-Users

Re: Want more aggressive tape use

2002-11-21 18:28:11
Subject: Re: Want more aggressive tape use
From: Jon LaBadie <jon AT jgcomp DOT com>
To: amanda-users <amanda-users AT amanda DOT org>
Date: Thu, 21 Nov 2002 17:33:07 -0500
On Thu, Nov 21, 2002 at 11:48:56AM -0700, Orion Poplawski wrote:
> 
> That's not really what I'm after.  I'd like to have amanda to backup as 
> little as possible (i.e. high level backups, few level 0's -> long 
> dumpcycle), but I want it to stuff tapes until they are full.

Take this as a given fact.  Amanda does NOT add to tapes it has already used.
It ONLY will overwrite from the beginning of the tape.

That given, the closest thing to what you want to do is to let the dumps collect
on the disk until you have more than a tape's worth.  Then do your flush.

> However, 
> currently when you run out of tape you are left with dumps in the 
> holding area that need to get flushed.  I don't want to flush them, but 
> if you don't amanda believes that those backups have been completed and 
> figures it in to planning the next run.

Those backups have been completed.  Just not moved to tape.  You can leave
them there for a future flush.  How else would you have amanda consider
those completed dumps not yet flushed?

-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
 JG Computing
 4455 Province Line Road        (609) 252-0159
 Princeton, NJ  08540-4322      (609) 683-7220 (fax)

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