You can configure system metrics with the dscontrol metric command.
>>-dscontrol--metric--+-add--cluster1--+--cluster2--+--c3...cN--@--metric1--+--metric2--+--metricN---------------+->< +-remove--cluster1--+--cluster2--+--c3...cN--@--metric1--+--metric2--+--metricN------------+ +-proportions--cluster1--+--cluster2--+--c3...cN--@--proportion1--+--proportion2--+--propN-+ '-status--cluster1--+--cluster2--+--c3...cN--@--metric1--+--metric2--+--metricN------------'
The address to which clients connect. The address can be either the host name of the machine, or the IP address notation format. Additional clusters are separated by a plus sign (+).
The system metric name. This must be the name of an executable or script file in the metric servers script directory.
dscontrol metric add site1@metric1
dscontrol metric proportions site1 0 100
dscontrol metric status site1@metric1