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Cannot Enable Nested Virtualization

Problem: Virtualization cannot be enabled within an Ignite instance's OS, even though Nested Virtualization is enabled in the instance's profile.

Notes:

  • Although nested virtualization can be enabled through the Ignite Management Portal, Cloudistics cannot support individual forms of nested virtualization
  • Hyper-V cannot be run within an Ignite instance
  • The version of hypervisor being installed on the instance must be compatible with Ignite hardware: the CPU type "Intel Xeon E5-2600-v4 Series", and the hardware "Dell PowerEdge FC430" and "Dell PowerEdge FC630"

Solution:

  1. Shut down all the instances on which you wish to run a hypervisor
  2. Check mark the "Nested Virtualization" box in the instance's Profile page in Ignite
  3. SSH or open the hardware console into each compute node with username manager and password is what you set when the hardware was registered
  4. Run sudo su and re-enter the manager password to become root
  5. Run cat /sys/module/kvm_intel/parameters/nested. If it returns N, proceed with remaining steps. If it returns Y, no more actions need to be taken on that compute node
  6. Reboot the compute node
  7. Log back into the compute node and run cat /sys/module/kvm_intel/parameters/nested. It should return Y
  8. Start your instances. You will now be able to install and run hypervisors within the instances
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