[Xymon] rrd files not getting created.

[Japheth Cleaver]

On 12/1/2016 9:12 AM, Root, Paul T wrote:
>
> Ok, I took the changes out. restarted xymon, waited a half hour, put 
> them back in,  and it created the rrd file.
>
> HOWEVER, it only put it in once, and no updates:
>
> <?xml version="1.0" encoding="utf-8"?>
>
> <!DOCTYPE rrd SYSTEM "http://oss.oetiker.ch/rrdtool/rrdtool.dtd">
>
> <!-- Round Robin Database Dump --><rrd> <version> 0003 </version>
>
> <step> 300 </step> <!-- Seconds -->
>
> <lastupdate> 1480607277 </lastupdate> <!-- 2016-12-01 *09:47:57 CST* -->
>
> <ds>
>
> <name> ucfthreads </name>
>
> <type> GAUGE </type>
>
> <minimal_heartbeat> 600 </minimal_heartbeat>
>
> <min> NaN </min>
>
> <max> NaN </max>
>
> <!-- PDP Status -->
>
> <last_ds> 92 </last_ds>
>
> <value> 1.6284000000e+04 </value>
>
> <unknown_sec> 0 </unknown_sec>
>
> </ds>
>
> <!-- Round Robin Archives -->   <rra>
>
> And the script runs every 5 minutes from clientlaunch.cfg.
>

Do you have RRD caching enabled? If so, you won't get data updated on 
disk until either:
a) the cache is poked, which should happen automatically a few seconds 
after showgraph.sh is executed when viewing this graph,
b) the maximum amount of caches values is exceeded (12 intervals, by 
default, IIRC), or
c) xymond_rrd is (gracefully) shut down

If (a) isn't happening, there might be a permissions issue with your 
rrdctl.* socket files... Must be writeable by apache user.


HTH,
-jc
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