Asus TS300-PA4 - Manual (Page 165)

ASUS TS300-E3/PA4 & PS4 6-37
10. The screen displays the information on the created RAID set.
Press <Esc> to exit the utility.
6.4.4 Creating a RAID 1 set (Mirror)
To create a RAID 1 set for Fault Tolerance:
1. Follow steps 1 to 2 of the Creating a RAID 0 set section.
2. Select RAID-1 (Fault Tolerance) from the Select RAID Type menu, then
press <Enter>.
Refer to the Mirroring Requirements note at the bottom of the screen to
determine the number of hard disk drives required for the selected RAID type.