The MIT Tier-2 computing center, established in 2006, has been a long-standing contributor to CMS computing. As hardware ages and computing demands evolve, we are undertaking a major redesign of the center’s infrastructure. In this talk, we present a holistic cost analysis that includes not only hardware purchases but also power consumption, cooling, and rack space—factors often excluded from conventional cost models. We evaluate the cost-effectiveness of maintaining aging hardware versus timely replacement, and propose optimal hardware retirement and procurement policies.

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• Public slides