Would like to share an article I came across on eWeek.com.
As the title notes - it is about why a comprehensive service program that combines preventive maintenance with facility assessments and monitoring is critical to maintaining business continuity and data center reliability.
http://www.eweek.com/c/a/IT-Infrastructure/How-to-Maintain-Business-Continuity-in-Your-Evolving-Data-Center/
This article hits the nail on the head on why you need to have your data center maintained and why you need to make sure you have a service provider that is a partner in keeping your data center running 24x7x365.