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SHare Expansion

Prerequisites

  • kubernetes, SFS Turbo CSI Driver

How to use

Step 1: Create SC

kubectl create -f  https://raw.githubusercontent.com/huaweicloud/huaweicloud-csi-driver/master/examples/sfsturbo-csi-plugin/kubernetes/resize/sc.yaml

Step 2: Create PVC

kubectl create -f  https://raw.githubusercontent.com/huaweicloud/huaweicloud-csi-driver/master/examples/sfsturbo-csi-plugin/kubernetes/resize/pvc.yaml

Step 3: Create POD

kubectl create -f  https://raw.githubusercontent.com/huaweicloud/huaweicloud-csi-driver/master/examples/sfsturbo-csi-plugin/kubernetes/resize/pod.yaml

Step 4: Check status of POD/PVC/PV

# kubectl get pod
NAME                    READY   STATUS    RESTARTS   AGE
sfsturbo-nginx-resize   1/1     Running   0          5m2s


# kubectl get pvc
NAME                  STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
sfsturbo-pvc-resize   Bound    pvc-bbbcc6f6-1380-4ac7-aa14-da59b4977ed2   500Gi      RWX            sfsturbo-sc    5m31s

# kubectl get pv
NAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM                         STORAGECLASS   REASON   AGE
pvc-bbbcc6f6-1380-4ac7-aa14-da59b4977ed2   500Gi      RWX            Delete           Bound    default/sfsturbo-pvc-resize   sfsturbo-sc             108s

Step 5: Resize volume storage

kubectl create -f  https://raw.githubusercontent.com/huaweicloud/huaweicloud-csi-driver/master/examples/sfsturbo-csi-plugin/kubernetes/resize/pvc2.yaml

Step 6: Check filesystem size after resized on the running POD

$ kubectl exec sfsturbo-nginx-resize -- df -h /mnt/sfsturbo
Filesystem       Size  Used Avail Use% Mounted on
192.168.0.175:/  600G     0  600G   0% /mnt/sfsturbo