Shulou(Shulou.com)06/02 Report--

After the deployment of the rook-ceph cluster is completed, the new CVM finds that all container nodes cannot mount storage space:

Rancher platform launches container error display:

The Deployment does not have minimum availability solution is as follows:

For the k8s cluster deployed by my rke, you need to modify the rke cluster.yaml file to place the plug-in directory inside the container and add the following:

Kubelet: extra_args: cgroup-driver: 'systemd' kubelet: extra_args: volume-plugin-dir: / usr/libexec/kubernetes/kubelet-plugins/volume/exec extra_binds:-/ usr/libexec/kubernetes/kubelet-plugins/volume/exec:/usr/libexec/kubernetes/kubelet-plugins/volume/exec update cluster configuration cd / etc/rke/ [root@cnvs-kubm-101-103 rke] # lltotal 10716-rw -r-1 root root 121688 Sep 4 11:09 cluster.rkestate-rw-r--r-- 1 root root 1567 Sep 4 11:00 cluster.yml-rw-r- 1 root root 5431 Sep 4 11:08 kube_config_cluster.yml# execute rke up

After the cluster upgrade is completed, the storage space is re-established, and the disk can be mounted normally by starting the service again.

Reference documentation:

Https://github.com/rook/rook/blob/master/Documentation/flexvolume.md

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