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CHG0076035 STMS Calgary Data Centre Removal of Extension switch from MCS Load balancer

» Published on Sun, 19 Apr 2026 11:00:00 +0000

  • Resolved

    Change has been completed and the Calgary clusters are back online.

    » Updated Sun, 19 Apr 2026 11:58:00 +0000
  • Scheduled

    The Extension switch connecting the MCS Load balancer to the Core switches will be bypassed.

    More details at the TIB https://ociomysc.service-now.com/sp?id=kb_article&table=u_kb_template_technical_information_bulletin&sys_id=e51bc58bfb3b369492f6fa686eefdc00&view=ess

    There will be an outage of up to 30 minutes to all Gold DR OpenShift traffic.

    Should a rollback be necessary, there will be a second outage of up to 30 minutes during the change window.

    Clients are encouraged to test services and validate that applications are functioning before the change window and after the activity has completed.

    » Updated Sun, 19 Apr 2026 11:00:00 +0000

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