Posts

Examining and Learning from Complex Systems Failures

Conventional wisdom blames “human error” for the majority of outages, but those failures are incorrectly attributed to front-line operator errors, rather than management mistakes By Julian Kudritzki, with Anne Corning Data centers,…

A Look at Data Center Cooling Technologies

Sabey optimizes air-cooled data centers through containment By John Sasser The sole purpose of data center cooling technology is to maintain environmental conditions suitable for information technology equipment (ITE) operation. Achieving…

The Calibrated Data Center:  Using Predictive Modeling

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Better information leads to better decisions By Jose Ruiz New tools have dramatically enhanced the ability of data center operators to base decisions regarding capacity planning and operational performance like move, adds, and changes on…

Retainers Improve the Effectiveness of IEC Plugs

These small devices prevent accidental disconnection of mission critical gear By Scott Good Today IEC plugs are used at the rack-level PDU and the IT device. IEC plugs backing out of sockets create a significant concern, since these…

The Making of a Good Method of Procedure

Good MOPs (method of procedure) help humans manage the complexity inherent in data centers By Alfonso Aranda with Lee Kirby Data centers are complex techno–human systems. The number of interrelated and interdependent elements (including…

Improving Performance in Ever-Changing Mission-Critical IT Infrastructures

CenturyLink incorporates lessons learned and best practices for high reliability and energy efficiency. By Alan Lachapelle CenturyLink Technology Solutions and its antecedents (Exodus, Cable and Wireless, Qwest, and Savvis) have a long…

Data Center Cooling: CRAC/CRAH redundancy, capacity, and selection metrics

Striking the appropriate balance between cost and reliability is a business decision that requires metrics By Dr. Hussein Shehata This paper focuses on cooling limitations of down-flow computer room air conditioners/air handlers (CRACs/CRAHs)…

Executive Perspectives on the Colocation and Wholesale Markets

An interview with CenturyLink’s David Meredith and Drew Leonard By Matt Stansberry Through our survey data and interactions with global Network members, Uptime Institute has noted large enterprise companies that have gone from running…

McKesson Retrofits Economizers in Live DC Environment

Pharmaceutical installs economizers in a live site to improve energy efficiency By Wayne Everett, Dean Scharffenberg, and Coleman Jones McKesson Corporation, the oldest and largest health-care services company in the United States, plays…

Data Center Outages, Incidents, and Industry Transparency

The lack of transparency can be seen as a root cause of outages and incidents By Jason Weckworth I recently began a keynote speech at Uptime Institute Symposium 2013 by making a bold statement. As data center operators, we simply don’t…