ASROCK 939S56-M Manual page 15

6. If the operation is "Create and Duplicate", the following warning
message will popup, seeing below:
Next, you can click "Yes" button to start the opera-
tion or click "No" button to cancel. When you click
"Yes" button to start this operation, the following
warning message will popup.
Click "OK" button to start this duplicating action. Don't
restart your computer or it will cause the action fail.
7. When the operation is finished, the restart warning message will
popup as well as JBOD array creation.