You can view the scheduled O&M events that are completed in the PolarDB console, such as database software upgrades, hardware maintenance, and hardware upgrades.
- Log on to the PolarDB console.
- In the upper-left corner of the console, select the region where the cluster is deployed.
- In the left-side navigation pane, choose .
- On the Event History page, click the tab of the event type that you want to view. You can view the details about each historical event, such as the cluster name and the time of the event.