: attacher.MountDevice failed to create newCsiDriverClient: driver name rook-ceph.rbd.csi.ceph.com not found in the list of registered CSI drivers

[jameskh...@gmail.com]

I am trying to work through the examples and use the examples checked into git hub everything seems to work until I try to create the wordpress, mysql, or nginx deployments/pods. I am receiving the following error. I don't understand how to resolve the issue. Please let me know if there is any additional information that you need to help me.

Events:

  Type     Reason                  Age                From                     Message

  ----     ------                  ----               ----                     -------

  Normal   Scheduled               <unknown>          default-scheduler        Successfully assigned default/csirbd-demo-pod to node5.local

  Normal   SuccessfulAttachVolume  34s                attachdetach-controller  AttachVolume.Attach succeeded for volume "pvc-ec81ae55-cde3-4e78-a12f-c27099db0dea"

  Warning  FailedMount             10s (x6 over 26s)  kubelet, node5.local     MountVolume.MountDevice failed for volume "pvc-ec81ae55-cde3-4e78-a12f-c27099db0dea" : kubernetes.io/csi: attacher.MountDevice failed to create newCsiDriverClient: driver name rook-ceph.rbd.csi.ceph.com not found in the list of registered CSI drivers

 kubectl version

Client Version: version.Info{Major:"1", Minor:"15", GitVersion:"v1.15.2", GitCommit:"f6278300bebbb750328ac16ee6dd3aa7d3549568", GitTreeState:"archive", BuildDate:"2019-08-16T14:14:51Z", GoVersion:"go1.12.7", Compiler:"gc", Platform:"linux/amd64"}

Server Version: version.Info{Major:"1", Minor:"16", GitVersion:"v1.16.1", GitCommit:"d647ddbd755faf07169599a625faf302ffc34458", GitTreeState:"clean", BuildDate:"2019-10-02T16:51:36Z", GoVersion:"go1.12.10", Compiler:"gc", Platform:"linux/amd64"}

Thank You,

James

[Alexander Trost]

Have you checked that kubelet is using the same CSI driver directory as the Ceph CSI driver?

https://kubernetes-csi.github.io/docs/deploying.html and https://github.com/rook/rook/blob/release-1.1/cluster/examples/kubernetes/ceph/operator.yaml#L184-L186

If kubelet is using a different path than `/var/lib/kubelet` that might already explain the issue and / or if the kubelet doesn't share the `/var/lib/kubelet` with the host where the Ceph CSI driver containers are running and mounting the `hostPath` (to path see above docs) would put there CSI driver sockets.

If the kubelet doesn't share the whole `/var/lib/kubelet` with the host, that is a kinda "weird" setup then (unless there is a good reason to do so ;-) ).

Kind regards

Alexander Trost

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