Re: [rrd-users] Round Robin Archive Question

Anyone can help?

On 04/04/2008, secrookie@gmail.com <secrookie@gmail.com> wrote:
> I am planning to create a database to hold data from 2 interfaces on
> PIX. Sampling will be 300 secs with 4 data sources.
>
> Does the calculation look correct for the number of days I would like to keep?
>
> #rrdtool create /var/lib/rrd/pix.rrd -s 300 \
> DS:ifIn1:DERIVE:600:0:12500000 \
> DS:ifOut1:DERIVE:600:0:12500000 \
> DS:ifIn2:DERIVE:600:0:12500000 \
> DS:ifOut2:DERIVE:600:0:12500000 \
> # (300secs*576rows)=172800sec 172800/3600=48 hours
> RRA:AVERAGE:0.5:1:576 \
> # (300secs*672rows)*6=1209600sec 1209600/3600=336hours (14 days)
> RRA:AVERAGE:0.5:6:672 \
> # (300secs*732rows)*24=5270400sec 5270400/3600=1464hours (61 days)
> RRA:AVERAGE:0.5:24:732 \
> # (300secs*1460rows)*144=63072000sec 63072000/3600=17520hours (730
> days)
> RRA:AVERAGE:0.5:144:1460
>
> I would also like to keep some MAX, MIN, LAST (same as current?)
> values. I presume I could just add extra lines for the duration I
> want to keep the data?
>
> RRA:MIN:0.5:1:576 # 48 hours
> RRA:MAX:0.5:1:576 # 48 hours
> RRA:LAST:0.5:1:576 # 48 hours
>
> Regards
>

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