Graph is empty and "-nan" values

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jejeman
Posts: 11
Joined: Tue Jun 23, 2009 11:24 am

Graph is empty and "-nan" values

Post by jejeman »

Hello,

I installed cacti v0.8.8a on a Centos 6.3 Linux. I would like to monitor localhost.
It worked fine until last month and now, there is no data on graph.
I check the permission on the cacti's folder, everything looks fine.
I checked the log file, the last line is :

Code: Select all

SYSTEM STATS: Time:1.9331 Method:cmd.php Processes:1 Threads:N/A Hosts:6 HostsPerProcess:6 DataSources:27 RRDsProcessed:19
I tried the debug mode on Graph management; this is the result :

Code: Select all

RRDTool Command:

/usr/bin/rrdtool graph - \
--imgformat=PNG \
--start=-86400 \
--end=-300 \
--title='Localhost - CPU Utilization - CPU0' \
--rigid \
--base=1000 \
--height=120 \
--width=800 \
--alt-autoscale-max \
--lower-limit='0' \
--vertical-label='percent' \
--slope-mode \
--font TITLE:10: \
--font AXIS:7: \
--font LEGEND:8: \
--font UNIT:7: \
DEF:a="/var/www/cacti-0.8.8a/rra/localhost_cpu_22.rrd":'cpu':AVERAGE \
AREA:a#FF0000FF:"CPU Utilization"  \
GPRINT:a:LAST:"Current\:%8.0lf"  \
GPRINT:a:AVERAGE:"Average\:%8.0lf"  \
GPRINT:a:MAX:"Maximum\:%8.0lf\n" 

RRDTool Says:

OK
In the folder rra/ file is updated every 5 minutes...
Can you help me ?

Thank you.
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