Asus KFN5-D SLI - Manual (Page 126)

5-16 Chapter 5: RAID configuration
e. If you selected
Create with data
copy, the following
pop-up menu
appears.
MAIN MENU
Auto configuration
Manual configuration
online copy
offline copy
The online copy option automatically copies the data to the target
drives on the background while writing to the source drives. The offline
copy option allows you to copy the contents of the source drive to the
target drives now.
f. Use the up or down arrow keys to select desired copy method,
then press <Enter>.
g. The utility prompts a message to input the RAID size, use the up
or down arrow keys to set the RAID size then press <Enter>.
h. Press <Y> to confirm or <N> to return to the Main Menu.
A copy progress appears if you previously selected offline copy.