Overall Status

Volume snapshotting has been a Beta feature since Kubernetes v1.17.

Minimum CSI Spec Version

1.0.0

Minimum Kubernetes version

1.17

Maximum Kubernetes version

1.21 which is scheduled to be released on April 8, 2021.

Note: The v1beta1 version of CustomResourceDefinition is being removed in 1.22 after six releases of deprecation. In 1.22, the kube-apiserver will no longer serve the v1beta1 version of these resources and the only way to access them will be through the v1 APIs, available since 1.16.

Recommended Kubernetes version

1.17: For Beta

Container

docker pull quay.io/k8scsi/snapshot-controller:v2.1.1
docker pull quay.io/k8scsi/csi-snapshotter:v2.1.1

Bug Fixes

Snapshot Controller

Cherry pick PR #293: Fixes issue #290. Disallow a pre-provisioned VolumeSnapshot pointing to a dynamically created VolumeSnapshotContent. (#303, @yuxiangqian)
Cherry pick PR #293: Fixes issue #291. Verify VolumeSnapshot and VolumeSnapshotContent are bi-directional bound before initializing a deletion on a VolumeSnapshotContent which the to-be-deleted VolumeSnapshot points to. (#303, @yuxiangqian)
Cherry pick PR #293: Fixes issue #292. Allow deletion of a VolumeSnapshot when the VolumeSnapshotContent's DeletionPolicy has been updated from Delete to Retain. (#303, @yuxiangqian)

Full Changelog

https://github.com/kubernetes-csi/external-snapshotter/blob/v2.1.0/CHANGELOG-2.1.md

kubernetes-csi/external-snapshotter v2.1.1 on GitHub