Chapter 6. Effects on Operations

The introduction of virtualization using VMware ESX and ESXi creates a myriad of operational problems for administrators, specifically problems having to do with the scheduling of various operations around the use of normal tools and other everyday activities, such as deployments, antivirus and other agent and agentless operational tasks (performance gathering, and so forth), virtual machine agility (vMotion and Storage vMotion), and backups. In the past, prior to quad-core CPUs, many of these limitations were based on CPU utilization, but now the limitations are in the areas of disk and network throughput.

The performance-gathering issues dictate which tools to use to gather performance data and how to use the ...

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