Amanda-Users

Re: Defining a sensible backup routine

2006-04-17 12:08:27
Subject: Re: Defining a sensible backup routine
From: Anne Wilson <cannewilson AT tiscali.co DOT uk>
To: amanda-users AT amanda DOT org
Date: Mon, 17 Apr 2006 17:05:46 +0100
On Monday 17 April 2006 16:39, Jon LaBadie wrote:
Hi, Jon.
> The combination of a low number of DLEs and greatly varying sizes
> for those DLEs will always cause the promotion problems you are
> seeing.  Amanda is trying to "balance" the amount of work done
> daily and if you are trying to average say 6 GB/day (made up #)
> then you don't promote the 21 GB DLE, you promote the small ones.
>
> Approaches to rework your setup more to your liking include (but
> are not limited) to:
>
> - breakup /home into several DLEs, like [a-h]*, [i-m]*, etc.
>
> - reduce promotion with maxpromote?days?, possibly eliminating it
>
> - I think there is a parameter specifying minimum number of days
>   at an incremental level, but maybe only affects bumping to next
>   incremental level
>
I'll look at each of these, thanks.

> - for static data, I have such a beast, a file system of iso images
>   of OS installation CDs, I set that DLE to strategy full dump only
>
I'm still very new to this, and trying to get my head around it.  So you can 
set a cycle to a number of days, but then use full dump only set up in some 
way to only run when level0 is due?

> - don't hold me to this, but I think dumpcycle can now be specified
>   as a dumptype parameter as well as a global parameter

That could be very useful.  I'll have to look into that.  Thanks for the 
suggestions.  It's given me some clues as to what to look for.

Anne

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