"Rebuild vs. Repair. High-performing organizations make it easier to rebuild infrastructure than to repair it. The results are higher and more predictable service levels, plus, by rebuilding from documented standard
builds, more junior staff can handle repairs."
The Visible Ops Handbook: Starting ITIL In 4 Practical Steps
KEVIN BEHR, GENE KIM AND GEORGE SPAFFORD
Copyright 2004, IT Process Institute (ITPI)