The events I mentioned above are from the list of events in Operations Manager that can be sent from the filers. Volume space monitoring is not what is needed.
There are a few other KB's / discussions on how to implement this.
Which boils down to:
1. The events in Ops man are triggered by SNMP events from the filer
2. Turn on all events and these events will be triggered as part of the global set.
This is a qestion about maxdirsize which is not about directories filling up but rather the directory file itself becoming too large.
From the KB mentioned:
You consider the 'maxDirSizeWarning' and 'maxDirSizeAlert' SNMP traps, but these do not indicate when a directory is full. Instead, these indicate how large the directory file is, as a percentage of the 'maxdirsize' volume option.
The later is what I do want to alarm on.
That said, the link you provided is very helpful, because with that I think I should be able to find the trap itself and simply tune the traps for maxdirsize for the two thresholds I need.