Asus RS162-E4/RX4 - Manual (Page 130)

Chapter 6: RAID configuration -1
Deleting an array
• You cannot recover lost data if you delete an array. Make sure you
back up important data before deleting an array.
• If you delete an IM (RAID 1) volume, the data is preserved on the
primary disk.
To delete an array:
1. From the Manage Array screen, select Delete Array, then press <Enter>.
2. Press <Y> to delete, or <N> to cancel.