[AusNOG] Network Management and Tools
David at Hughes.com.au
Mon Jul 5 09:56:01 EST 2010
On 05/07/2010, at 8:38 AM, Julien Goodwin wrote:
>> What do you use for
>> * Alarm/event management (SNMP traps, syslog)
> Nagios, although we poll and don't use traps.
>> * Performance management (SNMP Polls)
> Cacti, have been trying ObserverNMS
This is one thing that amazes me about FOSS monitoring systems. Everyone thinks its normal and totally acceptable to have 2 different systems for realtime monitoring and historical reporting. So, for example I have nagios poll a device to ensure CPU is within desired bounds. I then have cacti poll the same device for the same OID so that it can store the data in an RRD file so I can look at a graph.
I know we all do it but why do we all think it's perfectly fine to collect almost every single monitoring metric twice ? What an amazingly inefficient way of doing this. Problem is I can't find anything that I'd be happy to use as a replacement for nagios and cacti. Surely it would make total sense to extend nagios so it actually remembered the data it collected rather than just doing a real-time evaluation and then throwing the data away. There are some nagios rrd type hacks but, really, how hard could this really be.
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