## Prerequisites

- Helm cli with Kubernetes cluster configured.
- PV provisioner support in the underlying infrastructure. (We recommend using <https://github.com/minio/direct-csi>)
- Use Kubernetes version v1.19 and later for best experience.

## Configure MinIO Helm repo

```bash
helm repo add minio https://charts.min.io/
```

### Installing the Chart

Install this chart using:

#### Storage

- When PodInfoOnMount is enabled for a CSI driver, the new csi.storage.k8s.io/ephemeral parameter in the volume context allows a driver's NodePublishVolume implementation to determine on a case-by-case basis whether the volume is ephemeral or a normal persistent volume ([#79983](https://github.com/kubernetes/kubernetes/pull/79983), [@pohly](https://github.com/pohly))

- CephRBD volume plugin ( `kubernetes.io/rbd`) was removed in this release. And its csi migration support was also removed, so the `rbd` volume type became non-functional. Alternative is to use RBD CSI driver (https://github.com/ceph/ceph-csi/) in your Kubernetes Cluster. A re-deployment of your application is required to use the new driver if you were using `kubernetes.io/rbd` volume plugin before upgrading cluster...

- Fixed an issue where a CSI migrated volume may be prematurely detached when the CSI driver is not running on the node.

  volume type when the kubelet was started, affecting the following volume types
  when the corresponding csi driver was installed:
  - `awsElasticBlockStore` for `ebs.csi.aws.com`
  - `azureDisk` for `disk.csi.azure.com`
  - `gcePersistentDisk` for `pd.csi.storage.googleapis.com`
  - `cinder` for `cinder.csi.openstack.org`
  - `csi`

 - [Action Required] CSI drivers that call IsLikelyNotMountPoint should not assume false means that the path is a mount point. Each CSI driver needs to make sure correct usage of return value of IsLikelyNotMountPoint because if the file is an irregular file but not a mount point is acceptable ([#129370](https://github.com/kube...

            return value;
        }
    }

    /**
     * ED (Erase in Display) / EL (Erase in Line) parameter (see
     * <a href="https://en.wikipedia.org/wiki/ANSI_escape_code#CSI_sequences">CSI sequence J and K</a>)
     * @see Ansi#eraseScreen(Erase)
     * @see Ansi#eraseLine(Erase)
     */
    public enum Erase {
        FORWARD(0, "FORWARD"),
        BACKWARD(1, "BACKWARD"),
        ALL(2, "ALL");

- Allow users to opt-in to scheduling behaviour for CSI volume ([#137343](https://github.com/kubernetes/kubernetes/pull/137343), [@gnufied](https://github.com/gnufied)) [SIG API Machinery, Scheduling and Storage]

 - Deprecated support for CSI migration of `Ceph RBD volumes`. Users who were relying on Kubernetes' ability

- Remove check for CSI driver running on node for CSI migration ([#115772](https://github.com/kubernetes/kubernetes/pull/115772), [@sunnylovestiramisu](https://github.com/sunnylovestiramisu)) [SIG Apps and Storage]