Directly modifying ESXi host managed by vCenter Server

In the world of Nutanix HCI on vSphere, you sometimes do not have access to the vCenter Server, but you do have the root credentials of the ESXi host. However, when you try to make your changes, the ESXi host returns the message, “Access to resource settings on the host is restricted to the server that is managing it”.

There is one particular administrator task where this workaround comes into play: the Nutanix CVM resizing procedure to increase/decrease vCPU and RAM. I always forget the exact details of this workaround and then spend 30 minutes searching for it, so here it is. If this was a Production system, then obviously you would have an approved Change Request before you executed the workaround.

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Nutanix partners with IBM for non-x86 HCI

Nutanix has partnered with IBM to bring their Enterprise Cloud Platform software to the IBM Power System eco-system by supporting Acropolis and AHV on IBM OpenPOWER LC server hardware.

For those of you that wrestle with the transformation of non-x86 to x86 platforms, you will appreciate how this will simplify the consolidation process. In particular, this will allow you to simplify from an Application Transformation, Database or Guest OS migration to a Hypervisor/Hardware Migration. Which reduces risk, complexity, timeline and cost. The diagram below illustrates an example of non-x86 to x86 transformation.

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