
Isolate mission-critical systems from building systems. If you don't do annual maintenance, there's no guarantee that your mission-critical infrastructure will perform correctly at the moment when you need to prevent downtime at that site." If you have an on-site backup generator, you need to make sure you have adequate fuel delivery to keep it running during emergencies. "If you have a UPS in your server room, you need to replace the batteries every 2 to 3 years. "Companies often forget about ongoing maintenance, especially in small server rooms at remote or branch locations," says Schwartz. Both teams need to be involved, so that the right hand knows what the left hand is doing, and each team knows what it is required to do at that location to ensure uptime." "The facilities team determines what mission-critical infrastructure is needed to support that IT equipment. "The IT team determines what IT equipment each location needs to have on-site, in terms of production servers, storage, etc.," says Schwartz.

Make sure both IT and Facilities teams are involved. Matthew Schwartz, director of technology at Parallel Technologies, often consults with clients about what kinds of mission-critical infrastructure they need to support the onsite servers and network equipment that operate "smart buildings." He gives the following best practices for maintaining critical infrastructure in server rooms and data closets.
