They are small, poorly managed, wasteful and high risk environments for a businesss IT systems and theyre lurking in a building near you. The server closet, its a danger to us all and it must be eradicated.
The server closet is a room set aside for IT gear, but not designed as a data center. Not even as a bad data center. They vary in size, but are generally between 100 SF and 2500 SF. The rooms usually have some extra AC assigned to them and maybe additional jury rigged power, but beyond that they are a large closet that IT gear has been force fit into. There are 10s of thousands of these server closets out in the wild.