On 4/13/2011 3:01 PM, Jerry McAllister wrote: > > Oh. OK. As I indicated, I haven't been following, just dived in > the middle. I have not used Cacti or Opsview, but am just starting > to learn rrdtool by itself. Pretty much all of the packages that collect values and graph them use rrdtool as a component to store and graph the time-series data. OpenNMS has a pure-java alternative called jrobin that is theoretically more effecient as its default, but it can also be configured to use rrd if you want. -- Les Mikesell lesmikesell at gmail.com