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Introduction

Data centers are currently undergoing a period of great change. Data center managers are struggling to keep pace with growing

capacity needs while working under the constraints of tightened budgets and energy efciency initiatives and the challenges

presented by new technologies such as virtualization and cloud computing are transforming

As data center environments become more dynamic and complex, many organizations are taking a more proactive approach

to management and gaining better control of their data center operations so they can maintain or improve availability in

increasingly dense computing environments while reducing costs and boosting efciency. One area of improvement is inside

the rack with the growing importance of intelligent Rack Power Distribution Units (rack PDUs).

As the last link in the power chain delivering critical power to IT loads, intelligent rack PDUs are a strategic asset for achieving

high availability through elevated levels of responsiveness to change in data center capacities and densities. The emergence of

data center infrastructure management (DCIM) is further increasing the role of the intelligent rack PDU within the data center.

Data center managers are taking advantage of the benets provided by the technology, including access to rack-level and IT

equipment power consumption, visibility into rack-level environmental conditions, the ability to directly control power to IT

equipment and rack-level capacity and power management.

This white paper discusses the considerations that need to be made when investing in intelligent rack PDUs to ensure that they

do indeed provide a high availability solution.

Five aspects of a high availability design for Intelligent Rack PDUs include:

Reliability

Functionality

Fault Tolerance

Maintainability

Adaptability

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Emerson Basic Rack PDU - DI-STRIP Livre blanc Page 2