I have broken my Kubernetes cluster

Categories: Kubernetes
My Kubernetes cluster is down My single-node baremetal cluster using kubeadm and on calico networking plugin is down (link to the article here). The machine won't startup anymore and there is very mysterius error from cephlib reporting that it was unable to start. Few days ago I was playing with rook (https://github.com/rook/rook). Rook uses ceph to give you easy to use persistent volume experience. Everything was fine at this point until I started doing research on advanced Prometheus configuration.

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Persistent Volumes in your home Kubernetes cluster

Categories: Kubernetes
Summary We will deploy rook cluster storage service into the baremetal cluster. Prerequisites You should have a Baremetal Kubernetes cluster at least version 1.8. If you don't, I recommend taking a look at: Home Kubernetes cluster in 15 minutes with kubeadm and calico According to rook's documentation you should also have at least 5GB of disk space on the drive you want to use for storage. Let's do it First we need to prepare the baremetal machine for rook's persistent volumes:

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