You can configure SOI to filter/ignore alerts that match a certain criteria so they don't affect the overall status of a service. The 3.1 readme documents this feature and is located here:
https://support.ca.com/cadocs/1/CA%20Service%20Operations%20Insight%20r3%201-ENU/Bookshelf_Files/HTML/r31%20Readme/readme_r3.1.html