January 2018
Intermediate to advanced
574 pages
14h 44m
English
For vMotion to work, a very basic constraint is that the source and destination host should have a similar CPU if not identical. Let's extrapolate on the word similar in this context, and the relevance of EVC. A VM running on a given generation of CPU make and model runs with the features exposed by the CPU. EVC allows the vSphere administrator to set a common baseline of features that are exposed to the VMs, thus allowing for a newer CPU generation of hosts to be added to the cluster, and be able to readily migrate the VMs. Without EVC, such a task would present an error message that the host with the latest generation of CPU is incompatible.
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