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Bank of New Zealand Reduces Carbon Footprint With Red Hat on the Mainframe

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Executive Summary

For the last 150 years, BNZ (Bank of New Zealand), a sub?sidiary of the National Australia Bank Group, has helped individuals, farmers and businesses with their financial pursuits. The bank wanted to address environmental and space issues in the data centre and achieves the corporate goal of becoming carbon neutral by 2010. The Bank migrated from distributed Intel and SUN SPARC servers to Red Hat Enterprise Linux 5 running under z/VM on IBM z9 and z10 mainframes. The benefits were that the bank recovered 30 percent of datacenter floor space, reduced power consumption by 38 percent, 20 percent Return On Investment (ROI) over the life of the platform and simplified and more efficient deployment.

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