MODESTO, Calif. — Save Mart Supermarkets recently finished rebuilding its datacenter here, without shutting it down. “It's like changing tires on a bus while it's going down the freeway,” said James Sims, vice president and chief information officer.
The process involved installing a new multi-unit air-conditioner and a new uninterrupted power supply (UPS). “We reracked everything and changed the way air flows from bottom to top and front to back,” Sims said.
The change was ma