Category: Tech Notes
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Ingress, Load Balancing and DNS Cutover on VKS (TKGI to VKS Series, Part 20)
The traffic move from TKGI to VKS is a drain, not a DNS flip. This runbook stands up a load balanced ingress on VKS, lowers TTL, shifts traffic in weighted steps, and keeps a clean rollback the whole way.
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Migrating a Stateful Application with Persistent Volumes on VKS (TKGI to VKS Series, Part 19)
Moving a 500 GB PostgreSQL volume from TKGI to VKS with Velero snapshot data movement, a storage class mapping that stops the PVC hanging, and a checkpoint hook that stops the database coming back corrupt.
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Migrating a Stateless Application End to End on VKS (TKGI to VKS Series, Part 18)
Move a stateless service from TKGI to VKS with Velero, then fix the two things that break on VCF 9, Pod Security admission and image pull secrets, before you touch DNS.
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Velero on Source and Target, the Migration Toolchain (TKGI to VKS Series, Part 17)
Velero is the one toolchain that spans both estates in a TKGI to VKS migration. Install it on the source TKGI cluster and the target VKS cluster, wire shared S3 object storage, and prove a backup restores before any workload moves.
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Network Policy on VKS, NSX-T DFW to Antrea (TKGI to VKS Series, Part 16)
NSX-T distributed firewall rules do not migrate to VKS. Rebuild them as tiered Antrea policy with a working default deny, verified against a real stateful app.
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Identity, RBAC and Harbor on VKS (TKGI to VKS Series, Part 15)
How to replace TKGI UAA with vCenter SSO, map old LDAP groups to vSphere Namespace roles, grant developers scoped RBAC, and install Harbor as a Supervisor Service on your first VKS cluster.
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First VKS Cluster on VCF 9, Namespaces, Cluster Classes and Node Pools (TKGI to VKS Series, Part 14)
Standing up the first VKS cluster the dev wave lands on: create the vSphere Namespace, bind resources, pick a Cluster Class and Tanzu Kubernetes release, apply the manifest, size node pools, and verify with kubectl.
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Supervisor Networking on VCF 9, NSX VPCs and Load Balancer Choices (TKGI to VKS Series, Part 13)
Your vSphere Supervisor load balancer is a one-way door on VCF 9. Here is how Foundation LB, NSX LB and Avi compare across NSX VPC networking when you move a TKGI estate to VKS.
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Preparing VCF 9 and Enabling the vSphere Supervisor (TKGI to VKS Series, Part 12)
The first hands-on step of the migration: stand up the vSphere Supervisor on VCF 9 beside your TKGI estate, with the design calls, the exact commands, and the failures that stall activation.
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Target Reference Architecture for VKS on VCF 9 (TKGI to VKS Series, Part 11)
A VKS target on VCF 9 resolves into five layers, and the workload network you pick decides your load balancer before you build. Includes the TKGI to VKS component mapping, the load balancer decision table, and reference cluster sizing.
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Multi-Tenancy and Self-Service from TKGI Plans to vSphere Namespaces (TKGI to VKS Series, Part 10)
On TKGI a tenant meant a whole cluster. On VKS it means a vSphere Namespace with its own quota, roles and network. Here is how to map TKGI plans and self-service onto the namespace model without recreating cluster sprawl.
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Identity, RBAC and Secrets Assessment for TKGI to VKS (TKGI to VKS Series, Part 9)
Identity does not ride along with a Velero backup. Assess TKGI UAA, LDAP and RBAC against vCenter SSO, Pinniped and VKS namespaces, and reseal secrets before you cut over.
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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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