Tag: VKS
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VKS Cluster Sizing: VM Classes, Node Pools and Control-Plane Topology (VKS Series, Part 5)
Node size in VKS comes from a VM class, not a free-form number. Here is how VM classes, node pools and the one-or-three control plane decision actually shape a cluster.
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VKS Networking: NSX, VPCs and the CNI Options (VKS Series, Part 6)
Antrea by default, NSX VPCs or VDS on 9.1, and CIDRs that must not collide. Here is the VKS networking design that keeps clusters reachable instead of stuck.
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Enabling vSphere Supervisor and the VKS Runtime in VCF 9 (VKS Series, Part 3)
Two gates stand between a workload domain and a running VKS cluster: a healthy Supervisor and a content library. Here are the prerequisites, and the blockers that actually bite.
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What vSphere Kubernetes Service Is and Why It Replaced TKG (VKS Series, Part 1)
VKS is Tanzu Kubernetes Grid Service renamed, not a new product. Here is what actually changed under the rename, where VKS sits in VCF 9, and who it is really for.
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VKS Architecture: Supervisor, Namespaces and Workload Clusters (VKS Series, Part 2)
The Supervisor, vSphere Namespaces and workload clusters look alike and behave nothing alike. Here is how the three layers fit together, and where tenancy actually lives.
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NVIDIA NIM Microservices on VMware Private AI: The Model-Serving Layer Explained (Private AI Series, Part 11)
NVIDIA NIM is the model-serving layer of VMware Private AI. A reference-architecture look at the NIM Operator, NIMCache and NIMService, GPU placement, and the design choices that decide whether your endpoints survive production.
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Installing the NVIDIA GPU Operator and vGPU Drivers for VMware Private AI Foundation (Private AI Series, Part 9)
A practical runbook for installing the NVIDIA GPU Operator and matching vGPU host and guest drivers on VMware Private AI Foundation, with the validation checks and version-skew traps that decide whether GPUs actually schedule.
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vSphere Supervisor and VKS Architecture in VCF 9: The Reference Design (VCF 9 Series, Part 24)
How vSphere Supervisor and VKS fit together in VCF 9, from the control plane and vSphere Zones to networking, storage, and the design defaults you should override before you commit.
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5 Things That Block vSphere Supervisor Enablement in VCF 9 (and How to Fix Each)
Workload Management says your cluster is ‘incompatible,’ or the Supervisor control plane VMs hang at Configuring. Here are the five most common reasons vSphere Supervisor enablement fails in VCF 9 — and the exact checks and commands to fix each.
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Why Your VKS Cluster Upgrade Is Stuck: 5 Failure Modes in VCF 9 (and How to Unblock Them)
A VKS cluster upgrade that hangs halfway is almost never a Kubernetes bug. Here are the 5 things that stall VKS/Tanzu cluster upgrades in VCF 9 — version compatibility, PodDisruptionBudgets, stuck worker nodes, etcd health, and Pinniped pods — and how to unblock each one.
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5 Things That Break VKS Clusters in VCF 9 (and How to Fix Them)
Most vSphere Kubernetes Service (VKS) failures in VCF 9 aren’t Kubernetes bugs—they’re infrastructure. Here are the 5 things that break VKS clusters most often and how to diagnose each one fast.
Architect’s Toolkit
VMware Cloud Foundation
- VCF Documentation
- VCF 9 Planning & Preparation Workbook
- VCF Bill of Materials (BoM)
- VMware Compatibility Guide
- VMware Interoperability Matrix
- VMware Configuration Maximums
- VMware Ports & Protocols
- VMware Hands-on Labs
- RVTools Download
Nutanix
AI & Cloud-Native Platform
- AI Infra Sizing & Cost Calculator
- NVIDIA Build (Model Catalog)
- NVIDIA AI Enterprise Reference Architecture
- NVIDIA NIM Performance Benchmarking
- NVIDIA NGC Catalog
- NeMo Microservices Helm Chart
- Helm Charts Repository
- Hugging Face Models
Architecture & Design
About the Author

Dr Pranay Jha
Dr. Pranay Jha is a Cloud and AI Consultant with 18+ years of experience in hybrid cloud, virtualization, and enterprise infrastructure transformation. He specializes in VMware technologies, multi-cloud strategy, and Generative AI solutions. He holds a PhD in Computer Applications with research focused on Cloud and AI, has published multiple research papers, and has been a VMware vExpert since 2016 and a VMUG Community Leader.

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