Pitt Turner IV et al. presented a good overview of datacenter tier classifications. Tier classifications define site
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Pitt Turner IV et al. presented a good overview of datacenter tier classifications. Tier classifications define site infrastructure performance. For simplicity, consider the key differences as shown in Figure 6.40 (adapted from Pitt Turner IV et al.). Using the TCO model in the case study as a guiding framework, compare the cost implications of the different tiers shown.
Figure 6.40:
Transcribed Image Text:
Tier 1 Tier 2 Tier 3 Tier 4 Single path for power and cooling distributions, without redundant components (N+1) redundancy = two power and cooling distribution paths (N+ 2) redundancy = three power and cooling distribution paths for uptime even during maintenance Two active power and cooling distribution paths, with redundant components in each path, to tolerate any single equipment failure without impacting the load 99.0% 99.7% 99.98% 99.995%
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The figure youre referencing outlines the tier classifications for datacenters as follows Tier 1 Single path for power and cooling distributions without redundant components 990 uptime Tier 2 N1 redun...View the full answer
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Computer Architecture A Quantitative Approach
ISBN: 9780128119051
6th Edition
Authors: John L. Hennessy, David A. Patterson
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