Amanda-Users

Re: Dumps Levels > 1?

2003-09-02 12:44:56
Subject: Re: Dumps Levels > 1?
From: Chris Johnson <chris AT sebis DOT com>
To: amanda-users AT amanda DOT org
Date: Tue, 02 Sep 2003 11:36:40 -0500
you'll need to work with the "bumpsize" and "bumpmult" entries in amanada.conf. mine are set to 100Mb and 2 respectivly. This seems to give me level 3 or 4 on my heavily used filesystems for most of the week.

Jon LaBadie wrote:

On Tue, Sep 02, 2003 at 08:09:20AM -0700, Dege, Robert C. wrote:
My config:
Redhat 9.0
Amanda version 2.4.4p1

I'm slightly concerned with my backups.  I'm backingup a central NFS server
for my UNIX network.  Using disklist, I broke the NFS share into 21 separate
sections.  I did this so that I could benefit from higher dump levels on
sections that are used less.

I've been running amanda for the past 2 weeks, but only have dump levels of
zero, or one.  I ran 2 backups over labor day weekend, and _STILL_ am unable
to achieve a dump level higher than 1.  And the amreports show no dump level
bump adjustments.

I guess my question is "why isn't amanda using higher dump levels on
sections where the data hasn't changed?"

When it calculates the size of the next dump level it doesn't feel it
saves a sufficient amount of tape/size/time/??? to warrent bumping the
level.

I've never played with them, but there are a couple of parameters that
affect what is "sufficient".

My systems seldom do level 2's either.  Of course that makes recovery simpler.
Two tapes rather than three.




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