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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