Hi,
I try to connect my new ceph cluster (octopus) with my kubernetes
system. Therefor I followed the setup guide form the official documentation:
https://docs.ceph.com/en/octopus/rbd/rbd-kubernetes/
The csi-rbdplugin-provisioner is running successful on all my kubernetes
worker nodes (as far as I can see).
Now I try to deploy the nginx example :
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: ceph-pvc
spec:
accessModes:
- ReadWriteOnce
volumeMode: Filesystem
resources:
requests:
storage: 1Gi
storageClassName: ceph
---
apiVersion: v1
kind: Pod
metadata:
name: csi-rbd-demo-pod
spec:
containers:
- name: web-server
image: nginx
volumeMounts:
- name: mypvc
mountPath: /var/lib/www/html
volumes:
- name: mypvc
persistentVolumeClaim:
claimName: ceph-pvc
readOnly: false
A Persitence volume is created
$ kubectl get pv
....
pvc-5c64ed45-adde-4fe7-9b38-9d4c7a8f7d34 1Gi RWO
Delete Bound default/ceph-pvc ceph 7m15s
and also the persitence volume claim:
$ kubectl get pvc
NAME STATUS VOLUME
CAPACITY ACCESS MODES STORAGECLASS AGE
ceph-pvc Bound pvc-5c64ed45-adde-4fe7-9b38-9d4c7a8f7d34 1Gi
RWO ceph 8m14s
But the POD is not deployed, because of the following error message:
MountVolume.MountDevice failed for volume
"pvc-5c64ed45-adde-4fe7-9b38-9d4c7a8f7d34" : kubernetes.io/csi:
attacher.MountDevice failed to create newCsiDriverClient: driver name
rbd.csi.ceph.com not found in the list of registered CSI drivers
Can someone help me to understand the meaning of this error message?
Did I need to install something else ? Maybe a ceph-fs-plugin...?
Thanks for any help
===
Ralph
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