Lab 11 - Small Ceph Cluster Setup

Goals

• Start up a Ceph cluster using Rook
• Examine cluster configuration and deployed artifacts

Deploying a Ceph Cluster

Now that Rook is installed we can go ahead and create a Ceph cluster.

Take a look at the “master-only” cluster configuration. Take note of:

• spec.storage.nodes.name
• spec.storage.nodes.name.path

Start up the single node cluster using this configuration file. This will configure a small cluster using the single node and the single data directory.

kubectl create -f https://raw.githubusercontent.com/packet-labs/Rook-on-Bare-Metal-Workshop/master/configs/cluster-master-only.yml

Watch Rook creating pods and initializing your cluster.

watch -n 1 -d kubectl -n rook-ceph get CephClusters,deployments,pods

Press ctrl-c to exit once you see that your cluster is Created state and in HEALTH_OK.

Examine Cluster

Take a look in the Rook data directory on the file system and see that Rook files are in place.

kubectl get CephClusters --namespace rook-ceph
ls /var/lib/rook

Next Steps

Once you’re done, proceed to Lab12