Hi Simon, when you say, that graphs stop generating, do you mean, the rrd files doe not get updated, or that you can not see the webpage ? cheers tobi -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900