Hi Thanks for this..
Using top during the unusual event and during normal running doesnt show anything thats different, ie all processes are round about the same. Top does not seem to show the same as the graph?
Cpu(s): 0.0%us, 0.0%sy, 0.0%ni, 97.9%id, 0.0%wa, 1.5%hi, 0.5%si, 0.0%st...