Server Consolidation: An Approach to make Data Centers Energy Efficient and Green

TL;DR

This paper discusses how server consolidation through virtualization can significantly improve energy efficiency in data centers by increasing server utilization and reducing energy waste, thereby supporting greener IT infrastructure.

Contribution

It introduces a virtualization-based server consolidation approach that boosts server utilization from 5-10% to 50%, significantly reducing energy consumption and costs.

Findings

Server utilization increases up to 50% with consolidation.

Energy savings are substantial due to reduced server count.

Supports green data center initiatives.

Abstract

Data centers are the building blocks of IT business organizations providing the capabilities of centralized repository for storage, management, networking and dissemination of data. With the rapid increase in the capacity and size of data centers, there is a continuous increase in the demand for energy consumption. These data centers not only consume a tremendous amount of energy but are riddled with IT inefficiencies. All data center are plagued with thousands of servers as major components. These servers consume huge energy without performing useful work. In an average server environment, 30% of the servers are "dead" only consuming energy, without being properly utilized. Their utilization ratio is only 5 to 10 percent. This paper focuses on the use of an emerging technology called virtualization to achieve energy efficient data centers by providing a solution called server consolidation. It increases the utilization ratio up to 50% saving huge amount of energy. Server consolidation helps in implementing green data centers to ensure that IT infrastructure contributes as little as possible to the emission of green house gases, and helps to regain power and cooling capacity, recapture resilience and dramatically reducing energy costs and total cost of ownership.