Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
This URL you provided is for the database related startup and shutdown. Need information on cluster as well as the ASM related start and shutdown information also. In addition to this incase I am missing any other component please let me know also.