Managing your board is a tricky area. Interpersonal relationships are key, and the best of intentions are often torpedoed by self interest.
A board can be an ugly beast. It can be a vibrant powerhouse for growth and success. A brief scour of search engines on this question sent me to websites with absolutely terrible advice on how to manage a board. The reference below is among the best I found, and in particular the four questions it asks up front give perhaps the best way to answer the question ‘ is my board running as best it can?’