Easy Scale fails with EVC error when scaling a compute node into an HCI cluster using VSS

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Visibility:: Public

Votes:: 0

Category:: netapp-hci

Specialty:: hci

Last Updated:

Applies to

HCI 1.6
HCI 1.7
EVC enabled in ESX
CVE-2018-3646 vulnerabilities have been patched on nodes in the cluster
VSS in use on the ESX cluster

Issue

When attempting to add a net-new or replacement compute node into an HCI cluster, the Easy Scale function of the NetApp Deployment Engine (NDE) fails to add the node and generates the error below:

Error Statement: {'task_id': 'task:14', 'error': '(vim.fault.EVCAdmissionFailedCPUModelForMode) {\n dynamicType = <unset>,\n dynamicProperty = (vmodl.DynamicProperty) [],\n msg = "The host\'s CPU hardware does not support the cluster\'s current Enhanced vMotion Compatibility mode. The host CPU lacks features required by that mode."