dougbourne

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Check this out
http://en.wikipedia.org/wiki/Network...ing_comparison
http://www.centreon.com/Product/Centreon.html

chitambira

Finally settled for zenoss to enjoy the best of both worlds (opennms and nagios). Note that you can also use your nagios plugins with zenoss.

trickykid

My experience with Zenoss left a bad taste in my mouth. It's still very immature, buggy, unreliable and I really didn't like how it handled monitoring, configuration and so on overall.

It performed poorly when a catastrophic event occurred, instead of notifying that a whole network is down where you don't need each individual host sending their own notifications as well, each individual host will still send such notifications.

I really hated how it would pick up changes for hosts, how it would scan everything you have to be monitored at set intervals and if you wanted to scan for the changes, it didn't always pick up the changes on the particular host.

I also hate when it scanned, if you had a host running mysql that it monitored before and it wasn't running the next scan to make the updates, it would stop monitoring that process cause it wasn't running at the time of the scan.

It wouldn't pick up new processes to monitor on hosts that clearly were running the process at times, having to perform several scans to get picked up.

The only plus I think it had was a pretty user interface.

Maybe it's matured since last time I used it but OpenNMS is still superior in my opinion. And you can use Nagios plugins and scripts with it as well.

rweaver

What application would be best for enterprise level monitoring is highly dependent upon the specifics of your network and what is being monitored. Are you monitoring locally or remotely? Do you monitor via ssh or snmp? Do you need room for future expansion with non-unix clients? What kind of notifications do you want? Do you want your information stored in database form or flat text? etc.

I've personally used at one point or another at least half a dozen different systems for monitoring with good results, I would recommend any of the following:

Nagios
SNIPS/NOCOL
Zenoss
OpenNMS

That being said, you need to know exactly what you're looking for in a monitoring package before you decide on one. Everyone has their favorites and they all are roughly capable of monitoring everything under the sun given adequate time for learning their peculiarities and a willingness to occasionally add code yourself.