Rook Ceph OSD getting error creating empty object store in /var/lib/rook/osd215: (22) Invalid argument I’ve been struggling with ceph-container project and trying to get it running, but getting lots of errors. I had seen some information on Rook and watched a YouTube video Building a Storage Cluster on Kubernetes at Read more…
Helm how to delete bad deployment? At some point everyone screws things up, so how do you fix it? I had done a Ceph deployment using Helm on our Kubernetes cluster, but then realized I missed a setting a delete the namespace which in turn remove all the pods from Read more…
How do you delete a label from a Kubernetes node? First if you created a label for a node: $ kubectl label node <nodename> <labelname>=<value> My example, I’m working on Ceph on Kubernetes. $ kubectl label node kublaxnode3.example.com ceph-mon=enabled ceph-mgr=enabled delete above labels from its node $ kubectl label node Read more…
I setup a Kubernetes cluster last week and added two nodes. Today I’m attempting to add 2 more nodes, but getting an error Failed to connect to API Server. We’re running CentOS 7.4 Kubernetes 1.9 These are the steps to reproduce the error. Install a new cluster, then 1 week later Read more…