Data Center Plus
Client: Data Center Pulse
Services: Technology Services
Date: Ongoing

OVERVIEW

CDCDG’s Technology Services Group was retained by Data Center Pulse to perform research into the affects of different environmental operating conditions on computing. There were two major objectives for this research.

  1. Impact on compute performance of running datacenter hotter
  2. Is there a benefit of using air cooling via server fans or liquid cooling

As airside economizers have now become common in datacenters, operators are maintaining a higher ambient temperature to increase the number of free-cooling hours. The first objective of the research was to determine the effect of higher ambient temperature on the server performance; both compute performance and energy consumption performance.

The second objective of the research was to quantify the benefits of cooling servers with liquid versus air. As racks densities get higher, often exceeding 40kW, the limitations of air cooling come into affect. Tests were conducted on servers operating at different ambient temperature using different cooling mediums and the effects on server’s performance were observed.

SERVICES PROVIDED

CDCDG led the entire research effort and conducted all testing. This included

  • Defining the test parameters and procedures,
  • Working with manufacturers of the servers and components to determine the limits of their system and how to optimize their systems to gain best possible results.
  • Conducting all testing in an environmentally controlled laboratory
  • Gathering test results and compiling data
  • Writing report and presenting results to industry peers
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