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List: mrtg
Subject: Re: [mrtg] Safe to edit mrtg log files by hand?
From: Alex van den Bogaerdt <alex () ergens ! op ! het ! net>
Date: 2007-09-09 11:19:59
Message-ID: 20070909111959.GB29694 () ergens ! op ! het ! net
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On Sat, Sep 08, 2007 at 02:03:51PM -0600, Kelly Jones wrote:
> Is it safe to edit mrtg's service.log files by hand?
Yes and no.
> I got some spurious 0's in mine (my fault this time), and want to
> delete them because they make my graph look weird.
Don't delete data. MRTG's log files depend on proper formatting.
Some 600 rows are 5-minute rates, then 600 rows are 30-minute rates,
and so on.
If you would delete rows from that first range of 600, you would
shift data from the 30-minute part into the 5-minute part.
If MRTG doesn't detect this problem, you will be looking at false
data.
> I know I could just turn off "unknaszero", but I'm using that for
> another reason (notifications), so I want to edit the .log files directly.
Changing the numbers into "2593 0 2593 0" is probably OK. But don't
delete lines.
HTH
--
Alex van den Bogaerdt
http://www.vandenbogaerdt.nl/rrdtool/
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