Baselines will be defined by what happens in your environment over time. You can use Performance Advisor to inspect what the current levels are. Then you can establish baselines in the environment using the guide below.
Is there a doc that lists what should be added as a threshold with proper settings? Yes.
NetApp® OnCommand™ Performance Advisor Administration Guide For Use with Core Package 5.0
Page 55.
Linkage -> https://library.netapp.com/ecm/ecm_get_file/ECMM1278799
If that link doesn't work you can search on NOW for the doc title or for "Performance Advisor thresholds" and it should give you the info.
