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OpenNebula 3 Cloud Computing by Giovanni Toraldo

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Chapter 3. Hypervisors

Now that we are done with the frontend configuration, we should take care of preparing the hosts that will run on our VMs.

A host is a server that has the ability to run virtual machines using a special software component called a hypervisor that is managed by the OpenNebula frontend.

All the hosts do not need to have homogeneous configurations, but it is possible to use different hypervisors on different GNU/Linux distributions on a single OpenNebula cluster.

Using different hypervisors in your infrastructure is not just a technical exercise but assures you greater flexibility and reliability. A few examples where having multiple hypervisors would prove to be beneficial are as follows:

  • A bug in the current release of A hypervisor ...

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