You can re-open an event that you had previously closed in case the event requires further action.
To re-open an event
On the Fabric Manager user interface, click Diagnostics.
Click Events & Alerts.
A table listing all the events appear.
In the filter row drop-down lists, select the values All, OperationStatus, and Close.
A table of all the closed events appears in the events console.
Select the desired event with operation status CLOSED.
Click Re-Open.
The operation status of the event changes to Open and appears in the events console.