For various reasons it may be desired or necessary to deallocate a RAID 1 spare drive. The following example shows the deletion of a spare RAID 1 drive.
Start the RAID Wizard. Select "Delete Spare Drive" and click Next.
Select the drive to be deallocated and click Deselect, then click Next.
An acknowledgement window will appear. Click Finish. A moving bar will appear in the window while the operation is in progress. Once the window closes, the operation is complete.