Re: Dumps Levels > 1?
2003-09-02 12:48:38
On Tue, Sep 02, 2003 at 11:36:40AM -0500, Chris Johnson wrote:
> 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.
> >
> >
"bumpdays" may be a factor here as well.
--
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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