...
9/05/23 - pgwrite bugfix rollout on external gateways | deemed irrelevant to the incident
Batch farm:
5th May: ` wn-2020-xma - wn-2022-lenovo` will be set to drain.
9th May (9:30 am): Draining of first half of worker-nodes
11th May (9:30 am): Update drained worker-nodes
Bring back online updated tranches
11th 12th May (16:00): Drain remaining half of worker-nodes
12th 15th May (14:00): Update drained worker-nodes
12th may Bring back online updated tranches
Health check entire farm
...