Microsoft's plan to fill its mammoth Chicago data center with servers housed in 40-foot shipping containers has experts wondering whether the strategy will succeed. In Microsoft's plan, each container in the data center, still being built, will be filled with several thousand servers.

Computerworld queried several outside experts -- including the president of a data center construction firm, a data center engineer-turned-CIO, an operations executive for a data center operator and a "green" data center consultant -- to get their assessments of the strategy. While they were individually impressed with some parts of Microsoft's plan, they also expressed skepticism that the idea will work in the long term.

Here are some of their objections, along with the responses of Mike Manos, Microsoft's senior director of data center services. Manos talked with Computerworld in an interview after the Data Center World show at which Microsoft's plan was announced.

1. Russian-doll-like nesting (servers, on racks, inside shipping containers) may work out to less Lego-style modularity, as some proponents claim, and more mere ... moreness.

Server-filled containers are "nothing more than a bucket of power with a certain amount of CPU capacity," quipped Manos.

His point is that setting up several thousand servers inside a container in some off-site factory setting will make them nearly plug-and-play once the container arrives at the data center. By shifting the setup to the server vendor or system integrator and then wrapping it up inside a 40-foot metal box, containers become far easier and faster to deploy than individual server racks, which have to be moved one at a time.

But people like Peter Baker, vice president for information systems and IT at Emcor Facilities Services, argue that in other ways, containers still "add complexity."

"This is simply building infrastructure on top of infrastructure," he said.

One example, says Baker -- who worked for many years as an electrical engineer building power systems for data centers before shifting over to IT management -- is in the area of power management. Each container, he says, will need to come with some sort of UPS (uninterruptible power supply) that does three things: 1) converts the incoming high-voltage into lower usable DC voltages; 2) cleans up the power to prevent it from spiking and damaging the servers; 3) provides backup power in case of an outage.

For more enterprise computing news, visit Computerworld. Story copyright Computerworld, Inc.

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