The excellent blog 3267

A server room can look orderly from the doorway and still hide problems that quietly drain performance, create heat, and make troubleshooting far harder than it should be. I have seen racks that seemed clean at first glance, only to reveal patch cords stretched too tight, unlabeled uplinks, abandoned copper runs bundled over live power, and a switch stack so congested with cables that no one could replace a failed unit without taking down half the room. Most cabling failure