PodDisruptionBudgets: the reason your node drain hangs
What a PDB does and does not protect against, the single-replica trap that blocks upgrades forever, and how to set minAvailable so maintenance can still happen.
Tag
Operations
Every post tagged Operations — practitioner notes from running Kubernetes, OpenShift and DevOps tooling in production for clients across the EU and the Gulf.
2 posts
Why OpenShift upgrades stall, and how to clear them
Upgrade channels, MachineConfigPools and the four things that block a cluster upgrade, plus how to tell a slow upgrade from a stuck one before you intervene.