[rrd-users] Re: why 700 instead of 600 like mrtg?

[Alex van den Bogaerdt]

Patrick Aland wrote:
> 
> I'm trying to make sure i understand how data is actually stored in
> rrd's with rrdtool. From the tutorial:
> rrdtool create myrouter.rrd         \
>             DS:input:COUNTER:600:U:U   \
>             DS:output:COUNTER:600:U:U  \
>             RRA:AVERAGE:0.5:1:600      \
>             RRA:AVERAGE:0.5:6:700      \
>             RRA:AVERAGE:0.5:24:775     \
[...]
> It says that mrtg stores 600 30 minute samples buyt that rrdtool needs
> to store 700, the tutorial give s a reason but I'm still not seeing why.
> Perhaps i'm looking too hard.


MRTG:

  "daily"     "weekly"     "monthly"     "yearly"
|---------| |----------| |-----------| |----------|

RRDtool:
  "daily"
|---------|
              "weekly"
|----------------------|
                           "monthly"
|------------------------------------|
                                         "yearly"
|-------------------------------------------------|

HTH
-- 
   __________________________________________________________________
 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
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| http://faq.mrtg.org/                                                 |
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