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Upgrading your cluster - Getting started with ROSA | Tutorials | Red Hat OpenShift Service on AWS
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Tutorial: Upgrading your cluster

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Red Hat OpenShift Service on AWS (ROSA) executes all cluster upgrades as part of the managed service. You do not need to run any commands or make changes to the cluster. You can schedule the upgrades at a convenient time.

Ways to schedule a cluster upgrade include:

  • Manually using the command line interface (CLI): Start a one-time immediate upgrade or schedule a one-time upgrade for a future date and time.

  • Manually using the Red Hat OpenShift Cluster Manager user interface (UI): Start a one-time immediate upgrade or schedule a one-time upgrade for a future date and time.

  • Automated upgrades: Set an upgrade window for recurring y-stream upgrades whenever a new version is available without needing to manually schedule it. Minor versions have to be manually scheduled.

For more details about cluster upgrades, run the following command:

$ rosa upgrade cluster --help
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Manually upgrading your cluster using the CLI

  1. Check if there is an upgrade available by running the following command:

    $ rosa list upgrade -c <cluster-name>
    Example output
    $ rosa list upgrade -c <cluster-name>
VERSION  NOTES
4.14.7   recommended
4.14.6
...

    In the above example, versions 4.14.7 and 4.14.6 are both available.

  2. Schedule the cluster to upgrade within the hour by running the following command:

    $ rosa upgrade cluster -c <cluster-name> --version <desired-version>

  3. Optional: Schedule the cluster to upgrade at a later date and time by running the following command:

    $ rosa upgrade cluster -c <cluster-name> --version <desired-version> --schedule-date <future-date-for-update> --schedule-time <future-time-for-update>

Manually upgrading your cluster using the UI

  1. Log in to the OpenShift Cluster Manager, and select the cluster you want to upgrade.

  2. Click Settings.

  3. If an upgrade is available, click Update.

    cloud experts getting started cluster upgrade

  4. Select the version to which you want to upgrade in the new window.

  5. Schedule a time for the upgrade or begin it immediately.

Setting up automatic recurring upgrades

  1. Log in to the OpenShift Cluster Manager, and select the cluster you want to upgrade.

  2. Click Settings.

    1. Under Update Strategy, click Recurring updates.

  3. Set the day and time for the upgrade to occur.

  4. Under Node draining, select a grace period to allow the nodes to drain before pod eviction.

  5. Click Save.