https://thomasphall.github.io/Personal site of Thomas Hall, a solutions architect focused on hybrid cloud and platform engineering. Opinions are my own and do not represent Red Hat or any other organization. Houston, TX. 2026-08-24T15:10:26-05:00 Thomas Hall https://thomasphall.github.io/ Jekyll © 2026 Thomas Hall /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png 2026-08-24T09:00:00-05:00 2026-08-24T15:09:59-05:00 https://thomasphall.github.io/posts/ovn-kubernetes-openshift-cni/ Thomas Hall

OVN-Kubernetes is OpenShift 4.22's default CNI. Why keep it instead of Cilium or Calico, and when a certified vendor plugin is still the right call on 4.22.

2026-08-21T13:30:00-05:00 2026-08-24T08:07:52-05:00 https://thomasphall.github.io/posts/openshift-storage-performance/ Thomas Hall

Disk types, IOPS, and throughput OpenShift needs for etcd, ODF, and CSI on bare metal, vSphere, AWS, Azure, and IBM Cloud—and which setups fail in production.

2026-08-20T12:00:00-05:00 2026-08-24T08:07:52-05:00 https://thomasphall.github.io/posts/vddk-portal-mtv-openshift/ Thomas Hall

Broadcom has gated VMware VDDK downloads behind TAP and entitlements. How that change hits MTV migrations to OpenShift Virtualization—and what to do instead.

2026-08-19T07:00:00-05:00 2026-08-24T09:36:39-05:00 https://thomasphall.github.io/posts/network-observability-openshift/ Thomas Hall

Install LokiStack and the Network Observability Operator on OpenShift 4.22, then use FlowCollector for eBPF flows, Topology, and traffic troubleshooting.

2026-08-18T13:00:00-05:00 2026-08-24T09:36:39-05:00 https://thomasphall.github.io/posts/getting-started-openshift-poc/ Thomas Hall

How to start an on-prem OpenShift PoC: pick a single cluster or a fleet hub, finish DNS and firewall first, then use Assisted Installer and day-2 operators.