Log on to the Simple Application Server console, and choose Server O&M > Snapshot > Create a Snapshot.
Enter the snapshot name and click OK.
Wait for the creation of the snapshot to complete.
Note: You can create a maximum of three snapshots on each server.
Selected a snapshot that you have created, and click Rollback next to it.
Confirm and start rollback.
Note: Rollback snapshot will lose all current data. Please back up all data on the current server in advance.