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(kubectl) Creating a PV from an Existing SFS Turbo File System

Updated on 2025-02-18 GMT+08:00

Scenario

CCE allows you to use an existing SFS Turbo file system to create a PersistentVolume (PV). After the creation is successful, you can create a PersistentVolumeClaim (PVC) and bind it to the PV.

Notes and Constraints

The following configuration example applies to clusters of Kubernetes 1.13 or earlier.

Procedure

  1. Log in to the SFS console, create a file system, and record the file system ID, shared path, and capacity.
  2. Use kubectl to connect to the cluster. For details, see Connecting to a Cluster Using kubectl.
  3. Create two YAML files for creating the PV and PVC. Assume that the file names are pv-efs-example.yaml and pvc-efs-example.yaml.

    touch pv-efs-example.yaml pvc-efs-example.yaml

    • Example YAML file for the PV:
      apiVersion: v1 
      kind: PersistentVolume 
      metadata: 
        name: pv-efs-example 
        annotations:
          pv.kubernetes.io/provisioned-by: flexvolume-huawei.com/fuxiefs
      spec: 
        accessModes: 
        - ReadWriteMany 
        capacity: 
          storage: 100Gi 
        claimRef:
          apiVersion: v1
          kind: PersistentVolumeClaim
          name: pvc-efs-example
          namespace: default
        flexVolume: 
          driver: huawei.com/fuxiefs 
          fsType: efs 
          options: 
            deviceMountPath: <your_deviceMountPath>  # Shared storage path of your SFS Turbo file.
            fsType: efs 
            volumeID: 8962a2a2-a583-4b7f-bb74-fe76712d8414 
        persistentVolumeReclaimPolicy: Delete 
        storageClassName: efs-standard
      Table 1 Key parameters

      Parameter

      Description

      driver

      Storage driver used to mount the volume. Set it to huawei.com/fuxiefs.

      deviceMountPath

      Shared path of the SFS Turbo volume.

      volumeID

      SFS Turbo volume ID.

      To obtain the ID, log in to the CCE console, choose Resource Management > Storage, click the PVC name in the SFS Turbo tab page, and copy the PVC ID on the PVC details page.

      storage

      File system size.

      storageClassName

      Volume type supported by SFS Turbo. The value can be efs-standard and efs-performance. Currently, SFS Turbo does not support dynamic creation; therefore, this parameter is not used for now.

      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

      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: efs-standard 
          volume.beta.kubernetes.io/storage-provisioner: flexvolume-huawei.com/fuxiefs 
        name: pvc-efs-example 
        namespace: default 
      spec: 
        accessModes: 
        - ReadWriteMany 
        resources: 
          requests: 
            storage: 100Gi 
        volumeName: pv-efs-example
      Table 2 Key parameters

      Parameter

      Description

      volume.beta.kubernetes.io/storage-class

      Read/write mode supported by SFS Turbo. The value can be efs-standard or efs-performance. 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/fuxiefs.

      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.

    NOTE:

    The VPC to which the SFS Turbo file system belongs must be the same as the VPC of the ECS VM planned for the workload. Ports 111, 445, 2049, 2051, and 20048 must be enabled in the security groups.

  4. Create the PV.

    kubectl create -f pv-efs-example.yaml

  5. Create the PVC.

    kubectl create -f pvc-efs-example.yaml

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