Hi! Maybe someone here can explain this as I am new to Grafana. I would like to see the used disk in percentage when using the piechart. I am using graphite as datasource and Nagios (Check MK) sends it data to Graphite.
No matter what I try with percentage of and so on I still do not get the right pie chart. See the image here for details. The chart should be 50/50 in this case.
You want to graph used and free, not used and size. The percentages are correct, they’re just being calculated as a percentage of the graph total so you want the graph total to be the total size of the disk (not the size plus the used amount).