from munin graphs when munin stopped updating. My interpretations are inexpert, but, hey! Pretty graphs.:
on sda Disk latency spiked to 180 seconds Disk utilization spiked to 100%
munin processing time spiked to 40 seconds
CPU shows increased iowait
interupt 16 looks very high 338/second
Load average jumped to 7
from munin graphs when munin stopped updating. My interpretations are inexpert, but, hey! Pretty graphs.:
on sda
Disk latency spiked to 180 seconds
Disk utilization spiked to 100%
munin processing time spiked to 40 seconds
CPU shows increased iowait
interupt 16 looks very high 338/second
Load average jumped to 7