Tag: Troubleshooting
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What VCF Operations Is in VCF 9: The Day-2 Console That Replaced Aria Operations (VCF 9 Operations Series, Part 1)
VCF Operations is the mandatory day-2 console in VMware Cloud Foundation 9. What it is, what it absorbed from Aria Operations, and why to run it as a tier-0 service.
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Troubleshooting, Hardening and the Verdict on VCF Automation (VCF Automation 9 Series, Part 30)
The finale: where to look when a VCF Automation deployment fails, the hardening that actually matters including the certificate-rotation trap, and an honest verdict after 30 parts on who the product is for and when it is overkill.
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Troubleshooting NSX 9 DFW and Security Policy: Applied-To, Realized Rules and the Default-Rule Trap (NSX Series, Part 30)
The most common DFW outage is a published rule with the wrong Applied-To. Here is how to see what is really realized on a vNIC, why a rule visible in the UI may not be applied, the default-rule trap, and the symptom-to-fix path. The NSX Series finale.
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NSX 9 Monitoring and Operations: Traceflow, Alarms and Operations for Networks (NSX Series, Part 18)
The tools that turn NSX from a black box into something you can actually see: Traceflow, Live Traffic Analysis, IPFIX, alarms and health, and Operations for Networks.
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Troubleshooting VKS: The Failure Modes That Actually Bite (VKS Series, Part 15)
Most VKS failures fall into three families, and all three are diagnosed from the same place. Here is the triage habit that turns a stuck cluster into a named cause fast.
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Troubleshooting VMware Private AI Foundation: 7 Failures That Actually Bite (Private AI Series, Part 23)
The seven failures I hit most often on VMware Private AI Foundation with NVIDIA, from a dark GPU on the ESXi host to a NIM pod crashing on CUDA out of memory, with the real error strings and the checks that isolate each layer.
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VCF 9 Troubleshooting: The Stuck Workflows, Locks and Log Trails That Actually Bite (VCF 9 Series, Part 34)
A field guide to VCF 9 troubleshooting: clearing stuck SDDC Manager workflows, releasing the password and certificate system lock, pulling SoS support bundles, and reading the logs that actually tell you what failed.
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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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5 GPU & vGPU Mistakes That Break VMware Private AI Foundation (and How to Fix Them)
Most failed VMware Private AI Foundation deployments break on host-side GPU configuration, not the model. Here are five vGPU mistakes in VCF 9.1 and the exact commands to confirm and fix each one.
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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.
Architect’s Toolkit
PJ’s Tools
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
- 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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