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Upgrading an existing MKE 4k cluster

Upgrading an existing MKE 4k cluster

The current upgrade paths for MKE 4k clusters are detailed below:

Source versionTarget versionmkectl version required
4.1.04.1.14.1.1
ℹ️
As MKE 4.1.0 is built on an alpha version of k0rdent, upgrading from that MKE 4k version involves a complete reinstallation of MKE 4k and k0rdent, resulting in a more prolonged upgrade process.

To upgrade your MKE 4k cluster:

  1. Verify that you have the latest version of the mkectl binary. For information on how to download and install mkectl, refer to Install the MKE 4k CLI.

  2. Back up etcd prior to initiating the upgrade.

    ℹ️
    If you do not provide a path to an etcd backup as part of the mkectl upgrade command, mkectl automatically generates a pre-upgrade backup prior to initiating the upgrade.

  3. Run the upgrade.

    mkectl upgrade --upgrade-version <version_to_upgrade_to> --etcd-snapshot-path
<path_to_pre-upgrade_snapshot>
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Obtain the current MKE 4k configuration fileUninstall a cluster