Managing Volume Snapshots on Huawei

Querying a VolumeSnapshot

Mon, 01 Jan 0001 00:00:00 +0000

Viewing a VolumeSnapshotClass

Run the following command to view the information about the created VolumeSnapshotClass.
```
kubectl get volumesnapshotclass
```
The following is an example of the command output.
```
NAME DRIVER DELETIONPOLICY AGE
mysnapclass csi.huawei.com Delete 25s
```

Querying a Volume Snapshot

Run the following command to view the information about the created VolumeSnapshot.

kubectl get volumesnapshot

The following is an example of the command output.

NAME READYTOUSE SOURCEPVC SOURCESNAPSHOTCONTENT RESTORESIZE SNAPSHOTCLASS SNAPSHOTCONTENT CREATIONTIME AGE
mysnapshot true mypvc 100Gi mysnapclass snapcontent-1009af0a-24c2-4435-861c-516224503f2d <invalid> 78s

Creating a PV Using a VolumeSnapshot

Mon, 01 Jan 0001 00:00:00 +0000

Prerequisites

Compatibility and Features lists storage that support PVC creation using a VolumeSnapshot. You need to search by the storage type and service type.
Kubernetes Feature Matrix lists the Kubernetes versions that support PVC creation using a VolumeSnapshot.
A VolumeSnapshot exists, and the backend where the VolumeSnapshot resides supports cloning.

When creating a PVC, you need to specify a VolumeSnapshot as the data source. The following is an example of creating a PVC using a VolumeSnapshot. In this example, mysnapshot is used as the data source and a PVC named myrestore is created.

Deleting a VolumeSnapshot

Mon, 01 Jan 0001 00:00:00 +0000

Deleting a VolumeSnapshot

Perform this operation when the volume snapshot is no longer required.

Procedure

Run the following command to view the information about the created VolumeSnapshot.

kubectl get volumesnapshot

The following is an example of the command output.

NAME READYTOUSE SOURCEPVC SOURCESNAPSHOTCONTENT RESTORESIZE SNAPSHOTCLASS SNAPSHOTCONTENT CREATIONTIME AGE
mysnapshot true mypvc 100Gi mysnapclass snapcontent-1009af0a-24c2-4435-861c-516224503f2d <invalid> 78s

Run the following command to delete the VolumeSnapshot:
```
kubectl delete volumesnapshot mysnapshot 
```
If the following information is displayed, the deletion is successful: