CHG0081233 - CITZ MCS SILVER - Apply security and performance improvements to the OpenShift cluster
Update
Active work on OpenShift upgrades begins today, starting with the backplane (master/infra) nodes, then following up with worker nodes.
Posted: Mon, 28 Sep 2026 15:19:00 +0000
Scheduled
- upgrade to the latest tested version of OpenShift 4.18 for latest security and bug errata and ensure the cluster does not incorrectly revert its time on November 1st.
- update the nodes so the default runtime mechanism is moved from the deprecated runc to the newer crun.
- update the firmware on all hardware nodes to ensure the latest errata are applied.
Posted: Sun, 27 Sep 2026 13:00:00 +0000