Acer AR180 F1 - Manual (Page 128)

Appendix A: Server management tools 110
11 Now that the RAID volume is created, you can press to exit.
Assigning Hot Spare drive
A hot spare is a hard disk drive that automatically replaces any failed
drive in a RAID volume, and can subsequently be used to rebuild the
RAID volume.
1
Select Array Configuration Utility option.
2 Select Add/Delete Hotspare.
3 The screen displays Select drives to assign Spare.
4 Select desired hard drive disk and then press to add it in
Assigned Hotspare drives area.
5 Press to complete the selection.
6 Press Y when prompted by "Do you want to create a spare? (Yes/
No):" displayed.
7 Now a hot spare drive is created, you can press to exit.