Nagios Support Forum

We want to use check_esx3.pl to monitor VM Host's Datastore size, but not sure the meaning of "Range" is stand for % or MB?
How to monitor Datastore of VM Host if the using size is over 90% or remaining size is below 10%?

You can see how to use thresholds and ranges here:

https://nagios-plugins.org/doc/guidelin ... HOLDFORMAT

Can you show us the actual command that you ran to get the output, shown on the screenshot? (hide sensitive info)