Amanda-Users

Re: maxpromoteday

2006-04-10 11:51:21
Subject: Re: maxpromoteday
From: Jon LaBadie <jon AT jgcomp DOT com>
To: amanda-users AT amanda DOT org
Date: Mon, 10 Apr 2006 11:43:45 -0400
On Mon, Apr 10, 2006 at 08:02:18AM +0300, Toomas Aas wrote:
> Hello!
> 
> I'm trying to avoid the situation where some DLEs get multiple level0 
> backups during the dumpcycle. This is because I'm running with vtapes 
> that are somewhat "over-drafting" the actual capacity of the 
> backup-harddisk.
> 
> It seems from the documentation that I should set 'maxpromoteday' to 2, 
> 1 or even 0. That's fine, I'll do that. But I must admit that I don't 
> quite understand the meaning of maxpromoteday parameter, except that 
> setting it to smaller number causes Amanda to promote dumps less 
> aggressively. Can anyone explain it? If I set maxpromoteday to, say, 3, 
> then how does this '3' actually influence the planner?
> 

Gee, I'd like to know this as well.

The default says it is 10000.
I wonder if it is the maximum number of promotions.
So by reducing it you lessen the chance to promote.
And of course, a setting of 0 would then eliminate
promotions.

Just speculation however.

-- 
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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