(kubectl) Creating a PV from an Existing SFS File System
Notes and Constraints
The following configuration example applies to clusters of Kubernetes 1.13 or earlier.
Procedure
- Log in to the SFS console, create a file system, and record the file system ID, shared path, and capacity.
- Use kubectl to connect to the cluster. For details, see Connecting to a Cluster Using kubectl.
- Create two YAML files for creating the PV and PVC. Assume that the file names are pv-sfs-example.yaml and pvc-sfs-example.yaml.
touch pv-sfs-example.yaml pvc-sfs-example.yaml
Kubernetes Cluster Version
Description
YAML Example
1.11 ≤ K8s version < 1.13
Clusters from v1.11 to v1.13
K8s version = 1.9
Clusters of v1.9
Clusters from v1.11 to v1.13
- Example YAML file for the PV:
apiVersion: v1 kind: PersistentVolume metadata: name: pv-sfs-example annotations: pv.kubernetes.io/provisioned-by: flexvolume-huawei.com/fuxinfs spec: accessModes: - ReadWriteMany capacity: storage: 10Gi claimRef: apiVersion: v1 kind: PersistentVolumeClaim name: pvc-sfs-example namespace: default flexVolume: driver: huawei.com/fuxinfs fsType: nfs options: deviceMountPath: <your_deviceMountPath> # Shared storage path of your file. fsType: nfs volumeID: f6976f9e-2493-419b-97ca-d7816008d91c persistentVolumeReclaimPolicy: Delete storageClassName: nfs-rw
Table 1 Key parameters Parameter
Description
driver
Storage driver used to mount the volume. Set the driver to huawei.com/fuxinfs for the file system.
deviceMountPath
Shared path of the file system.
On the management console, choose Service List > Storage > Scalable File Service. You can obtain the shared path of the file system from the Mount Address column, as shown in Figure 1.
volumeID
File system ID.
To obtain the ID, log in to the CCE console, choose Resource Management > Storage, click the PVC name in the SFS tab page, and copy the PVC ID on the PVC details page.
storage
File system size.
storageClassName
Read/write mode supported by the file system. Currently, nfs-rw and nfs-ro are supported.
spec.claimRef.apiVersion
The value is fixed at v1.
spec.claimRef.kind
The value is fixed at PersistentVolumeClaim.
spec.claimRef.name
The value is the same as the name of the PVC created in the next step.
spec.claimRef.namespace
Namespace of the PVC. The value is the same as the namespace of the PVC created in the next step.
- Example YAML file for the PVC:
apiVersion: v1 kind: PersistentVolumeClaim metadata: annotations: volume.beta.kubernetes.io/storage-class: nfs-rw volume.beta.kubernetes.io/storage-provisioner: flexvolume-huawei.com/fuxinfs name: pvc-sfs-example namespace: default spec: accessModes: - ReadWriteMany resources: requests: storage: 10Gi volumeName: pv-sfs-example
Table 2 Key parameters Parameter
Description
volume.beta.kubernetes.io/storage-class
Read/write mode supported by the file system. nfs-rw and nfs-ro are supported. The value must be the same as that of the existing PV.
volume.beta.kubernetes.io/storage-provisioner
Must be set to flexvolume-huawei.com/fuxinfs.
storage
Storage capacity, in the unit of Gi. The value must be the same as the storage size of the existing PV.
volumeName
Name of the PV.
Clusters of v1.9
- Example YAML file for the PV:
apiVersion: v1 kind: PersistentVolume metadata: name: pv-sfs-example namespace: default spec: accessModes: - ReadWriteMany capacity: storage: 10Gi flexVolume: driver: huawei.com/fuxinfs fsType: nfs options: deviceMountPath: <your_deviceMountPath> # Shared storage path of your file. fsType: nfs kubernetes.io/namespace: default volumeID: f6976f9e-2493-419b-97ca-d7816008d91c persistentVolumeReclaimPolicy: Delete storageClassName: nfs-rw
Table 3 Key parameters Parameter
Description
driver
Storage driver used to mount the volume. Set the driver to huawei.com/fuxinfs for the file system.
deviceMountPath
Shared path of the file system.
On the management console, choose Service List > Storage > Scalable File Service. You can obtain the shared path of the file system from the Mount Address column, as shown in Figure 1.
volumeID
File system ID.
To obtain the ID, log in to the CCE console, choose Resource Management > Storage, click the PVC name in the SFS tab page, and copy the PVC ID on the PVC details page.
storage
File system size.
storageClassName
Read/write mode supported by the file system. Currently, nfs-rw and nfs-ro are supported.
- Example YAML file for the PVC:
apiVersion: v1 kind: PersistentVolumeClaim metadata: annotations: volume.beta.kubernetes.io/storage-class: nfs-rw volume.beta.kubernetes.io/storage-provisioner: flexvolume-huawei.com/fuxinfs name: pvc-sfs-example namespace: default spec: accessModes: - ReadWriteMany resources: requests: storage: 10Gi volumeName: pv-sfs-example volumeNamespace: default
Table 4 Key parameters Parameter
Description
volume.beta.kubernetes.io/storage-class
Read/write mode supported by the file system. nfs-rw and nfs-ro are supported. The value must be the same as that of the existing PV.
volume.beta.kubernetes.io/storage-provisioner
The field must be set to flexvolume-huawei.com/fuxinfs.
storage
Storage capacity, in the unit of Gi. The value must be the same as the storage size of the existing PV.
volumeName
Name of the PV.
The VPC to which the file system belongs must be the same as the VPC of the ECS VM to which the workload is planned.
- Example YAML file for the PV:
- Create a PV.
kubectl create -f pv-sfs-example.yaml
- Create a PVC.
kubectl create -f pvc-sfs-example.yaml
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