Back in July, I was greeted by this error on my Ceph dashboard while visiting family: A Ceph error you generally don’t want to see while you’re 400 km away from your Homelab. This error meant that during the nightly scrub, Ceph detected an error that was not trivially resolvable. ...
Wherein I talk about updating my kubeadm Kubernetes cluster from 1.30 to 1.33 using Ansible. I’ve been a bit lax on my Kubernetes cluster updates, and I was still running Kubernetes v1.30. I’m also currently on a trip to fix a number of the smaller tasks in my Homelab, paying down a bit of technical debt before tackling the next big projects. I already did one update, from my initial Kubernetes 1.29 to 1.30 in the past, using an Ansible playbook I wrote to codify the kubeadm upgrade procedure. But I never wrote a proper post about it, which I’m now rectifying. ...
Wherein I migrate my CloudNativePG setup to the Barman Cloud Plugin. During my migration from Nomad to Kubernetes, I started using CNPG for my database needs. For more details, have a look at this post. I configured their backup solution right away. It consists of a component which runs in the same Pod as the main Postgres and backs up both, the Write Ahead Log (WAL) and the full database, all while the instance is kept up and running. Those can then be copied to an S3 bucket for long term storage. ...