(kubectl) Automatically Creating an EVS Disk
Notes and Constraints
The following configuration example applies to clusters of Kubernetes 1.13 or earlier.
Procedure
- Use kubectl to connect to the cluster. For details, see Connecting to a Cluster Using kubectl.
- Run the following commands to configure the pvc-evs-auto-example.yaml file, which is used to create a PVC.
touch pvc-evs-auto-example.yaml
vi pvc-evs-auto-example.yaml
Example YAML file for clusters of v1.9, v1.11, and v1.13:apiVersion: v1 kind: PersistentVolumeClaim metadata: name: pvc-evs-auto-example namespace: default annotations: volume.beta.kubernetes.io/storage-class: sas labels: failure-domain.beta.kubernetes.io/region: ap-southeast-1 failure-domain.beta.kubernetes.io/zone: ap-southeast-1a spec: accessModes: - ReadWriteOnce resources: requests: storage: 10Gi
Table 1 Key parameters Parameter
Description
volume.beta.kubernetes.io/storage-class
EVS disk type. The value is in lowercase.
failure-domain.beta.kubernetes.io/region
Region where the cluster is located.
failure-domain.beta.kubernetes.io/zone
AZ where the EVS volume is created. It must be the same as the AZ planned for the workload.
storage
Storage capacity in the unit of Gi.
accessModes
Read/write mode of the volume.
You can set this parameter to ReadWriteMany (shared volume) and ReadWriteOnce (non-shared volume).
- Run the following command to create a PVC.
kubectl create -f pvc-evs-auto-example.yaml
After the command is executed, an EVS disk is created in the partition where the cluster is located. Choose Storage > EVS to view the EVS disk. Alternatively, you can view the EVS disk based on the volume name on the EVS console.
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