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Hi!

I've been trying to overcome a problem (with me) all morning. I"ve read
the docs (tuts and mans), and I've yet to figure out why i'm so stupid.


I'm trying to agregate nagios data into an rrd, so the timestamps fom
the logfile are used to update, and the performance data variables are
used for data.

For example, we have a machine called zeus, which has the following
output for the ping service check:

1084108512      zeus    Ping    loss=3D0%;;;0;100	rta=3D569us;150000000;500=
000000;0
1084108632      zeus    Ping    loss=3D0%;;;0;100	rta=3D619us;150000000;500=
000000;0
1084108752      zeus    Ping    loss=3D0%;;;0;100	rta=3D530us;150000000;500=
000000;0
1084108872      zeus    Ping    loss=3D0%;;;0;100 rta=3D579us;150000000;500=
000000;0

So I pipe

create zeus.Ping.rrd --step 300 --start 1084108262 DS:rta:GAUGE:300:U:U DS:=
loss:GAUGE:300:U:U RRA:AVERAGE:0.5:2:100 RRA:MAX:0.5:10:100
update zeus.Ping.rrd -t loss:rta 1084108512:0:0.569
update zeus.Ping.rrd -t loss:rta 1084108632:0:0.619
update zeus.Ping.rrd -t loss:rta 1084108752:0:0.530
update zeus.Ping.rrd -t loss:rta 1084108872:0:0.579

to

rrdtool -


But when I do rrdtool dump all I get out is data like this:

<!-- 2004-05-09 13:20:00 IDT / 1084098000 --> <row><v> NaN </v><v> NaN </v>=
</row>
<!-- 2004-05-09 14:10:00 IDT / 1084101000 --> <row><v> NaN </v><v> NaN </v>=
</row>
<!-- 2004-05-09 15:00:00 IDT / 1084104000 --> <row><v> NaN </v><v> NaN </v>=
</row>
<!-- 2004-05-09 15:50:00 IDT / 1084107000 --> <row><v> NaN </v><v> NaN </v>=
</row>

which I can't use.

Attached is a sample output log from nagios, and the perl script that runs =
on it.
Data is generated by running tail -f | perl perf.pl | rrdtool -.

--=20
 ()  Yuval Kogman <nothingmuch@woobling.org> 0xEBD27418  perl hacker &
 /\  kung foo master: Crackers, lick the furniture: neeyah!!!!!!!!!!!!!



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