johngoh – John Goh's blog

ODF: Replacing a Failed Drive & Recovery

I simulated a disk failure on ODF by detaching one of the disk forcefully. And warnings … ODF: Replacing a Failed Drive & RecoveryRead more

I’ve installed a OpenShift 4.16.46 cluster this round to support a customer in their OSD removal … ODF – Rook-Ceph ToolboxRead more

I tested the following scripts on:- OpenShift Container Platform Performance Monitoring Watch actual usage and tune: … Day 2 OpenShift Helpful CLI – Performance & Capacity Monitoring (PV & ODF & S3) & AutomationRead more

Must knows! I needed to pen this down so that I can reference to it whenever … TIL: Install NooBa MultiCloud Gateway – part of ODFRead more

I noticed the last script did not cater for the scenario that the node is an … OpenShift – Cluster Graceful Shutdown Script v2Read more

Installation was a breeze with some learning curve. If you’ve downloaded an F5 BIG-IP qcow2 image … TIL: How to Run an F5 BIG-IP 17.5.1 QCOW2 Image on RHEL KVMRead more

Let’s create a group for our admin users: Add the users into the group: Finally, grant … OpenShift – RBAC Create a Group and Add Users to itRead more

For those that wants to know how to setup GitHub as your identity provider, here’s the … OpenShift – IdP GitHub OAuth Setup & Org PermissionsRead more

If you find that your user has been signed out quite often, this is what you … OpenShift – Extending Token Max AgeRead more

Operators in OpenShift are managed through the Operator Lifecycle Manager (OLM), which defines how operators are … OpenShift – Exploring Operator CatalogsRead more