Region KNA1: Planned Maintenance, Week 39 (2023-09-25 - 2023-09-29)
Scheduled for Sep 25, 08:00 CEST  -  Sep 29, 17:00 CEST
Dear customer,
We are reaching out to inform you about an upcoming maintenance window affecting Cleura Public Cloud, region KNA1 (Karlskrona, Sweden).

General information

  • We will carry out maintenance in Cleura Public Cloud, region KNA1 (Karlskrona, Sweden).

  • The maintenance window starts: 2023-09-25 at 08.00 CEST.

  • The maintenance window ends: 2023-09-29 at 17.00 CEST.

  • Our maintenance will not require any customer intervention before or during the maintenance window.

  • Customer impact

  • You may experience API issues or unavailability during resource creation or updating already created ones. We recommended postponing operations with OpenStack API 25th of September to minimise the risk of impact.

  • This maintenance will have minimal impact on customers virtual machines and cloud resources reachability during the network node upgrades.

  • As with any maintenance, however, the actual upgrades, restarts and patching can still affect your services.

    Please get in touch with our support if you experience any unexpected behaviour in your environment.

  • Scope:

    During this maintenance window in KNA1, a number of improvements will be implemented - from functionality to security alignment.
    The major part of the scope is an OpenStack upgrade from Xena to Antelope, which will add new functionality to OpenStack services,

    In Antelope,
  • Magnum has been updated to support Kubernetes v1.24 running on Fedora CoreOS 36 and 37. Magnum has also been re-certified as a Kubernetes orchestrator.

  • The ability for users to transfer encrypted volumes across projects.

  • Octavia load balancers now support deep observability by adding PROMETHEUS listeners that expose a Prometheus exporter endpoint. The Octavia amphora provider exposes over 150 unique metrics.

  • Moreover, the maintenance cycle encompasses an array of forthcoming features and the resolution of known issues.

    Other tasks

  • Perform security patching of our infrastructure services.

  • Follow the latest news about this maintenance window at

    If you have further questions, don't hesitate to get in touch with our support at or via your portal login.


    Posted Sep 01, 2023 - 14:10 CEST
    This scheduled maintenance affects: KNA1 (Karlskrona) (API, Network, Compute, Compute (Local Storage), Compute (Dedicated Graphics), Block Storage, Object Storage).