Nagios and DB support.

[Mark Duling]

>They also sound like my problems. I would like to see Nagios evlove into 
>a full network monitoring/management tool, but I can't see how this is 
>possible without database support. I personally need to regularly poll a 
>large number of devices' traffic stats, transmission errors, connected 
>clients, link quality, etc. These all need to be stored in a DB so I can 
>quickly graph them with rrdtool. Storing data for at least a year is 
>also important, because it shows seasonal trends, which can be very 
>important in RF.
>
OpenNMS does much of this, but I found it too complex;
when it quit I was at a loss to fix it.  I need something that
seldom dies and when it does is easy to troubleshoot.
>
>I currently use nagios for alerts and graph all my devices with a 
>seperate program. This is annoying because it forces me to keep two 
>config files instead of just a single one. Either way, I would like to 
>see nagios make more use of rrdtool, as being able to visually track 
>changes can be even more vauable than a pager going off with a "host 
>critical" warning.

I use Nagios for alerting and NRG for graphing with RRDtool.  I prefer it
that way
because of simplicity and reliability.  NRG manages config and RRD files
for you,
unlike Nagios (and MRTG), therefore it doesn't add to my config file
burden.
I haven't yet tried to do alerting with Nagios on RRD's with threshholds
yet though.

I think to try to make Nagios replace a good SNMP graphing app *and*
service
and host monitor might make it neither.  I don't see any reason someone
could not write a configuration interface for Nagios where a check box
could be
provided that would add a switch or router to NRG and provide a link to it
on the Nagios
page if both apps were installed on the same box.  But I'm not sure what
definite advantage
this would provide other than bragging rights that it is an "integrated"
system.  Just
my $.02.

Mark



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