VMware Resource Pools: Building Blocks

An assessment revealed that in a company’s current physical environment, the total RAM usage of the Windows servers during times of peak demand was 128 GB, which was 67% of the total RAM capacity of 192 GB. This led to a decision to allow 150% RAM over commitment for the Windows VMs. After analyzing the existing servers and planning for growth for three years, the predicted total configured RAM for all VMs was 450 GB. But, to allow 150% over commitment, only 67% of the estimated, or 300 GB, was procured for direct use by VMs. More RAM was actually purchased to allow overhead and spare capacity for ESXi downtimes, but only 300 GB was planned for direct VM usage.

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Using ITIL for Specific Organizational Improvements

Respondents to the survey were given the ability to enter free-form responses detailing specific organizational improvements that have occurred due to the knowledge gained in the pursuit of intermediate and advanced ITIL certifications. There were numerous specific improvements noted by the respondents. Some of the responses to this question included:

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